V_AMP.sch 24.7 KB
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EESchema Schematic File Version 2
LIBS:74xgxx
LIBS:74xx
LIBS:ac-dc
LIBS:actel
LIBS:adc-dac
LIBS:Altera
LIBS:analog_devices
LIBS:analog_switches
LIBS:atmel
LIBS:audio
LIBS:brooktre
LIBS:cmos4000
LIBS:cmos_ieee
LIBS:conn
LIBS:contrib
LIBS:cypress
LIBS:dc-dc
LIBS:device
LIBS:digital-audio
LIBS:diode
LIBS:display
LIBS:dsp
LIBS:elec-unifil
LIBS:ESD_Protection
LIBS:ftdi
LIBS:gennum
LIBS:graphic
LIBS:hc11
LIBS:intel
LIBS:interface
LIBS:ir
LIBS:Lattice
LIBS:linear
LIBS:logo
LIBS:maxim
LIBS:memory
LIBS:microchip
LIBS:microchip_dspic33dsc
LIBS:microchip_pic10mcu
LIBS:microchip_pic12mcu
LIBS:microchip_pic16mcu
LIBS:microchip_pic18mcu
LIBS:microchip_pic32mcu
LIBS:microcontrollers
LIBS:motor_drivers
LIBS:motorola
LIBS:msp430
LIBS:nordicsemi
LIBS:nxp_armmcu
LIBS:onsemi
LIBS:opto
LIBS:Oscillators
LIBS:philips
LIBS:power
LIBS:powerint
LIBS:Power_Management
LIBS:references
LIBS:regul
LIBS:relays
LIBS:rfcom
LIBS:sensors
LIBS:silabs
LIBS:siliconi
LIBS:stm8
LIBS:stm32
LIBS:supertex
LIBS:switches
LIBS:texas
LIBS:transf
LIBS:transistors
LIBS:ttl_ieee
LIBS:valves
LIBS:video
LIBS:w_analog
LIBS:w_connectors
LIBS:w_device
LIBS:w_logic
LIBS:w_memory
LIBS:w_microcontrollers
LIBS:w_opto
LIBS:Worldsemi
LIBS:w_relay
LIBS:w_rtx
LIBS:w_transistor
LIBS:w_vacuum
LIBS:Xicor
LIBS:xilinx
LIBS:Zilog
90
LIBS:V_AMP-cache
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EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
96
Title "10x to 100x Precision Pre-Amplifier for Generic Sensors "
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Date "2017-12-18"
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Rev "1"
Comp "LAPMA - IF/UFRGS"
100
Comment1 "All resistors are 1/8W, except R16 and R17, 1W"
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Comment2 "There's a saturation indicator for output higher than 5V"
Comment3 "The gain adjust must be set for a range in 0 to 5V output voltage"
Comment4 "Designed by Alisson Claudino"
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$EndDescr
$Comp
L BNC P1
U 1 1 5A26C4F0
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P 2800 4400
F 0 "P1" H 2950 4250 50  0000 C CNN
F 1 "INPUT" H 2800 4550 50  0000 C CNN
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F 2 "Connectors:bnc-ci" H 2800 4400 50  0001 C CNN
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F 3 "" H 2800 4400 50  0000 C CNN
	1    2800 4400
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	-1   0    0    -1  
$EndComp
$Comp
L R R1
U 1 1 5A26C581
119
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P 3200 4650
F 0 "R1" V 3280 4650 50  0000 C CNN
F 1 "100k" V 3200 4650 50  0000 C CNN
122
F 2 "w_pth_resistors:RC03" V 3130 4650 50  0001 C CNN
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F 3 "" H 3200 4650 50  0000 C CNN
	1    3200 4650
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	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 5A26C5A4
130
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132
P 3400 4400
F 0 "R2" V 3480 4400 50  0000 C CNN
F 1 "1k" V 3400 4400 50  0000 C CNN
133
F 2 "w_pth_resistors:RC03" V 3330 4400 50  0001 C CNN
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F 3 "" H 3400 4400 50  0000 C CNN
	1    3400 4400
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	0    1    1    0   
$EndComp
$Comp
L ZENERsmall D1
U 1 1 5A26C65F
141
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P 3600 4550
F 0 "D1" H 3550 4650 50  0000 C CNN
F 1 "5V1" H 3550 4450 50  0000 C CNN
144
F 2 "Diodes_THT:D_DO-41_SOD81_P7.62mm_Horizontal" H 3600 4550 50  0001 C CNN
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F 3 "" H 3600 4550 50  0000 C CNN
	1    3600 4550
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	0    -1   -1   0   
$EndComp
$Comp
L ZENERsmall D2
U 1 1 5A26C6AA
152
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P 3600 4800
F 0 "D2" H 3650 4900 50  0000 C CNN
F 1 "5V1" H 3650 4700 50  0000 C CNN
155
F 2 "Diodes_THT:D_DO-41_SOD81_P7.62mm_Horizontal" H 3600 4800 50  0001 C CNN
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F 3 "" H 3600 4800 50  0000 C CNN
	1    3600 4800
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	0    1    1    0   
$EndComp
$Comp
L GND #PWR01
U 1 1 5A26C6D2
163
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168
P 3600 4950
F 0 "#PWR01" H 3600 4700 50  0001 C CNN
F 1 "GND" H 3600 4800 50  0000 C CNN
F 2 "" H 3600 4950 50  0000 C CNN
F 3 "" H 3600 4950 50  0000 C CNN
	1    3600 4950
169
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	1    0    0    -1  
$EndComp
$Comp
L C C1
U 1 1 5A26C721
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P 4000 4700
F 0 "C1" H 4025 4800 50  0000 L CNN
F 1 "470n" H 4025 4600 50  0000 L CNN
177
F 2 "Capacitors_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm" H 4038 4550 50  0001 C CNN
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F 3 "" H 4000 4700 50  0000 C CNN
	1    4000 4700
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	1    0    0    -1  
$EndComp
$Comp
L R R3
U 1 1 5A26C746
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P 3800 4400
F 0 "R3" V 3880 4400 50  0000 C CNN
F 1 "22k" V 3800 4400 50  0000 C CNN
188
F 2 "w_pth_resistors:RC03" V 3730 4400 50  0001 C CNN
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F 3 "" H 3800 4400 50  0000 C CNN
	1    3800 4400
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	0    1    1    0   
$EndComp
$Comp
L GND #PWR02
U 1 1 5A26C9C4
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201
P 3200 4950
F 0 "#PWR02" H 3200 4700 50  0001 C CNN
F 1 "GND" H 3200 4800 50  0000 C CNN
F 2 "" H 3200 4950 50  0000 C CNN
F 3 "" H 3200 4950 50  0000 C CNN
	1    3200 4950
202
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206
	1    0    0    -1  
$EndComp
$Comp
L OPA177 U1
U 1 1 5A26C7F5
207
208
209
P 4650 4500
F 0 "U1" H 4350 4700 50  0000 C CNN
F 1 "OPA177" H 4600 4500 50  0000 C CNN
210
F 2 "Housings_DIP:DIP-8_W7.62mm_Socket_LongPads" H 4550 4400 50  0001 C CNN
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F 3 "" H 4650 4500 50  0000 C CNN
	1    4650 4500
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	1    0    0    -1  
$EndComp
$Comp
L GND #PWR03
U 1 1 5A26C982
218
219
220
221
222
223
P 4000 4950
F 0 "#PWR03" H 4000 4700 50  0001 C CNN
F 1 "GND" H 4000 4800 50  0000 C CNN
F 2 "" H 4000 4950 50  0000 C CNN
F 3 "" H 4000 4950 50  0000 C CNN
	1    4000 4950
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	1    0    0    -1  
$EndComp
$Comp
L R R4
U 1 1 5A26CA07
229
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P 4100 5350
F 0 "R4" V 4180 5350 50  0000 C CNN
F 1 "20k" V 4100 5350 50  0000 C CNN
232
F 2 "w_pth_resistors:RC03" V 4030 5350 50  0001 C CNN
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F 3 "" H 4100 5350 50  0000 C CNN
	1    4100 5350
235
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239
	0    1    1    0   
$EndComp
$Comp
L R R5
U 1 1 5A26CA58
240
241
242
P 4650 5250
F 0 "R5" V 4600 5400 50  0000 C CNN
F 1 "180k" V 4650 5250 50  0000 C CNN
243
F 2 "w_pth_resistors:RC03" V 4580 5250 50  0001 C CNN
244
245
F 3 "" H 4650 5250 50  0000 C CNN
	1    4650 5250
246
247
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249
250
	0    1    1    0   
$EndComp
$Comp
L C C2
U 1 1 5A26CAE2
251
252
253
P 4650 5450
F 0 "C2" V 4700 5550 50  0000 L CNN
F 1 "220n" V 4700 5200 50  0000 L CNN
254
F 2 "Capacitors_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm" H 4688 5300 50  0001 C CNN
255
256
F 3 "" H 4650 5450 50  0000 C CNN
	1    4650 5450
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261
	0    1    1    0   
$EndComp
$Comp
L C_Small C4
U 1 1 5A26CB62
262
263
264
P 4700 4850
F 0 "C4" V 4800 4900 50  0000 L CNN
F 1 "100n" V 4600 4750 50  0000 L CNN
265
F 2 "Capacitors_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm" H 4700 4850 50  0001 C CNN
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F 3 "" H 4700 4850 50  0000 C CNN
	1    4700 4850
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	0    1    1    0   
$EndComp
$Comp
L GND #PWR04
U 1 1 5A26CC13
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P 4800 4850
F 0 "#PWR04" H 4800 4600 50  0001 C CNN
F 1 "GND" H 4800 4700 50  0000 C CNN
F 2 "" H 4800 4850 50  0000 C CNN
F 3 "" H 4800 4850 50  0000 C CNN
	1    4800 4850
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	0    -1   -1   0   
$EndComp
281
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NoConn ~ 4950 4600
NoConn ~ 4950 4400
NoConn ~ 4950 4300
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$Comp
L R R10
U 1 1 5A26CE37
287
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P 6200 4450
F 0 "R10" V 6280 4450 50  0000 C CNN
F 1 "10k" V 6200 4450 50  0000 C CNN
290
F 2 "w_pth_resistors:RC03" V 6130 4450 50  0001 C CNN
291
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F 3 "" H 6200 4450 50  0000 C CNN
	1    6200 4450
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	0    1    1    0   
$EndComp
$Comp
L C C7
U 1 1 5A26CE98
298
299
300
P 6400 4650
F 0 "C7" H 6300 4750 50  0000 L CNN
F 1 "220n" H 6450 4750 50  0000 L CNN
301
F 2 "Capacitors_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm" H 6438 4500 50  0001 C CNN
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F 3 "" H 6400 4650 50  0000 C CNN
	1    6400 4650
304
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	-1   0    0    1   
$EndComp
$Comp
L R R11
U 1 1 5A26D0A3
309
310
311
P 6700 4650
F 0 "R11" V 6780 4650 50  0000 C CNN
F 1 "RX" V 6700 4650 50  0000 C CNN
312
F 2 "w_pth_resistors:RC03" V 6630 4650 50  0001 C CNN
313
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F 3 "" H 6700 4650 50  0000 C CNN
	1    6700 4650
315
316
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319
	-1   0    0    1   
$EndComp
$Comp
L GND #PWR05
U 1 1 5A26D18D
320
321
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323
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325
P 6550 4900
F 0 "#PWR05" H 6550 4650 50  0001 C CNN
F 1 "GND" H 6550 4750 50  0000 C CNN
F 2 "" H 6550 4900 50  0000 C CNN
F 3 "" H 6550 4900 50  0000 C CNN
	1    6550 4900
326
327
328
329
330
	1    0    0    -1  
$EndComp
$Comp
L OPA177 U3
U 1 1 5A26D235
331
332
333
P 7300 4550
F 0 "U3" H 7000 4750 50  0000 C CNN
F 1 "OPA177" H 7250 4550 50  0000 C CNN
334
F 2 "Housings_DIP:DIP-8_W7.62mm_Socket_LongPads" H 7200 4450 50  0001 C CNN
335
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F 3 "" H 7300 4550 50  0000 C CNN
	1    7300 4550
337
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339
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341
	1    0    0    -1  
$EndComp
$Comp
L R R13
U 1 1 5A26D32E
342
343
344
P 7350 5250
F 0 "R13" V 7400 5100 50  0000 C CNN
F 1 "27k" V 7350 5250 50  0000 C CNN
345
F 2 "w_pth_resistors:RC03" V 7280 5250 50  0001 C CNN
346
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F 3 "" H 7350 5250 50  0000 C CNN
	1    7350 5250
348
349
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352
	0    -1   -1   0   
$EndComp
$Comp
L C_Small C8
U 1 1 5A26D3BD
353
354
355
P 7350 4900
F 0 "C8" V 7250 4950 50  0000 L CNN
F 1 "100n" V 7450 4850 50  0000 L CNN
356
F 2 "Capacitors_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm" H 7350 4900 50  0001 C CNN
357
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F 3 "" H 7350 4900 50  0000 C CNN
	1    7350 4900
359
360
361
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363
	0    1    1    0   
$EndComp
$Comp
L GND #PWR06
U 1 1 5A26D547
364
365
366
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368
369
P 7450 4900
F 0 "#PWR06" H 7450 4650 50  0001 C CNN
F 1 "GND" H 7450 4750 50  0000 C CNN
F 2 "" H 7450 4900 50  0000 C CNN
F 3 "" H 7450 4900 50  0000 C CNN
	1    7450 4900
370
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374
	0    -1   -1   0   
$EndComp
$Comp
L C C9
U 1 1 5A26D71B
375
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377
P 7350 5450
F 0 "C9" V 7300 5250 50  0000 L CNN
F 1 "220n" V 7300 5550 50  0000 L CNN
378
F 2 "Capacitors_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm" H 7388 5300 50  0001 C CNN
379
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F 3 "" H 7350 5450 50  0000 C CNN
	1    7350 5450
381
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	0    -1   -1   0   
$EndComp
$Comp
L R R12
U 1 1 5A26E247
386
387
388
P 6700 5350
F 0 "R12" V 6780 5350 50  0000 C CNN
F 1 "2k7" V 6700 5350 50  0000 C CNN
389
F 2 "w_pth_resistors:RC03" V 6630 5350 50  0001 C CNN
390
391
F 3 "" H 6700 5350 50  0000 C CNN
	1    6700 5350
392
393
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396
	0    1    1    0   
$EndComp
$Comp
L POT RV1
U 1 1 5A26E36E
397
398
399
P 6350 5350
F 0 "RV1" H 6350 5270 50  0000 C CNN
F 1 "50k" H 6350 5350 50  0000 C CNN
400
F 2 "Potentiometers:Potentiometer_Alps_RK163_Single_Vertical" H 6350 5350 50  0001 C CNN
401
402
F 3 "" H 6350 5350 50  0000 C CNN
	1    6350 5350
403
404
405
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407
	1    0    0    -1  
$EndComp
$Comp
L GND #PWR07
U 1 1 5A26E5FD
408
409
410
411
412
413
P 5850 5350
F 0 "#PWR07" H 5850 5100 50  0001 C CNN
F 1 "GND" H 5850 5200 50  0000 C CNN
F 2 "" H 5850 5350 50  0000 C CNN
F 3 "" H 5850 5350 50  0000 C CNN
	1    5850 5350
414
415
416
417
418
	0    1    1    0   
$EndComp
$Comp
L CONN_01X02 P2
U 1 1 5A26E467
419
420
421
P 6000 5050
F 0 "P2" H 6000 5200 50  0000 C CNN
F 1 "GAIN_ADJ" V 6100 5050 50  0000 C CNN
422
F 2 "w_pin_strip:pin_strip_2mm_2" H 6000 5050 50  0001 C CNN
423
424
F 3 "" H 6000 5050 50  0000 C CNN
	1    6000 5050
425
426
427
428
429
	0    1    -1   0   
$EndComp
$Comp
L R R14
U 1 1 5A26E913
430
431
432
433
434
435
P 7950 4550
F 0 "R14" V 8030 4550 50  0000 C CNN
F 1 "100" V 7950 4550 50  0000 C CNN
F 2 "w_pth_resistors:RC03" V 7880 4550 50  0001 C CNN
F 3 "" H 7950 4550 50  0000 C CNN
	1    7950 4550
436
437
438
439
440
	0    1    1    0   
$EndComp
$Comp
L ZENERsmall D4
U 1 1 5A26EA1B
441
442
443
444
445
446
P 8150 4700
F 0 "D4" H 8200 4600 50  0000 C CNN
F 1 "5V1" H 8150 4800 50  0000 C CNN
F 2 "Diodes_THT:D_DO-41_SOD81_P7.62mm_Horizontal" H 8150 4700 50  0001 C CNN
F 3 "" H 8150 4700 50  0000 C CNN
	1    8150 4700
447
448
449
450
451
	0    1    1    0   
$EndComp
$Comp
L GND #PWR08
U 1 1 5A26EC3A
452
453
454
455
456
457
P 8150 4900
F 0 "#PWR08" H 8150 4650 50  0001 C CNN
F 1 "GND" H 8150 4750 50  0000 C CNN
F 2 "" H 8150 4900 50  0000 C CNN
F 3 "" H 8150 4900 50  0000 C CNN
	1    8150 4900
458
459
460
461
462
	1    0    0    -1  
$EndComp
$Comp
L BNC P3
U 1 1 5A26ED35
463
464
465
466
467
468
P 8650 4550
F 0 "P3" H 8750 4400 50  0000 C CNN
F 1 "OUTPUT (0-5V)" H 8650 4700 50  0000 C CNN
F 2 "Connectors:bnc-ci" H 8650 4550 50  0001 C CNN
F 3 "" H 8650 4550 50  0000 C CNN
	1    8650 4550
469
470
471
472
473
	1    0    0    -1  
$EndComp
$Comp
L +8V #PWR09
U 1 1 5A26F5A2
474
475
476
477
478
479
P 4550 4100
F 0 "#PWR09" H 4550 3950 50  0001 C CNN
F 1 "+8V" H 4550 4240 50  0000 C CNN
F 2 "" H 4550 4100 50  0000 C CNN
F 3 "" H 4550 4100 50  0000 C CNN
	1    4550 4100
480
481
482
	1    0    0    -1  
$EndComp
$Comp
483
L -8V #PWR7
484
U 1 1 5A26F61A
485
P 4550 4900
486
F 0 "#PWR7" H 4550 5000 50  0001 C CNN
487
488
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490
F 1 "-8V" H 4550 5050 50  0000 C CNN
F 2 "" H 4550 4900 50  0000 C CNN
F 3 "" H 4550 4900 50  0000 C CNN
	1    4550 4900
491
492
493
494
495
	-1   0    0    1   
$EndComp
$Comp
L +8V #PWR010
U 1 1 5A26F7A6
496
497
498
499
500
501
P 7200 4250
F 0 "#PWR010" H 7200 4100 50  0001 C CNN
F 1 "+8V" H 7200 4390 50  0000 C CNN
F 2 "" H 7200 4250 50  0000 C CNN
F 3 "" H 7200 4250 50  0000 C CNN
	1    7200 4250
502
503
504
	1    0    0    -1  
$EndComp
$Comp
505
L -8V #PWR22
506
U 1 1 5A26F7FC
507
P 7200 4950
508
F 0 "#PWR22" H 7200 5050 50  0001 C CNN
509
510
511
512
F 1 "-8V" H 7200 5100 50  0000 C CNN
F 2 "" H 7200 4950 50  0000 C CNN
F 3 "" H 7200 4950 50  0000 C CNN
	1    7200 4950
513
514
515
516
517
	-1   0    0    1   
$EndComp
$Comp
L LM393 U2
U 1 1 5A26F9BB
518
519
520
P 6500 3200
F 0 "U2" H 6650 3350 50  0000 C CNN
F 1 "LM393" H 6750 3050 50  0000 C CNN
521
F 2 "Housings_DIP:DIP-8_W7.62mm_Socket_LongPads" H 6500 3200 50  0001 C CNN
522
523
F 3 "" H 6500 3200 50  0000 C CNN
	1    6500 3200
524
525
526
527
528
	1    0    0    -1  
$EndComp
$Comp
L R R8
U 1 1 5A2700C8
529
530
531
P 6100 3500
F 0 "R8" V 6180 3500 50  0000 C CNN
F 1 "2k7" V 6100 3500 50  0000 C CNN
532
F 2 "w_pth_resistors:RC03" V 6030 3500 50  0001 C CNN
533
534
535
F 3 "" H 6100 3500 50  0000 C CNN
	1    6100 3500
	-1   0    0    -1  
536
537
538
539
$EndComp
$Comp
L C_Small C5
U 1 1 5A270604
540
541
542
P 6550 3600
F 0 "C5" V 6650 3600 50  0000 L CNN
F 1 "100n" V 6450 3500 50  0000 L CNN
543
F 2 "Capacitors_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm" H 6550 3600 50  0001 C CNN
544
545
546
F 3 "" H 6550 3600 50  0000 C CNN
	1    6550 3600
	0    1    -1   0   
547
548
549
550
$EndComp
$Comp
L GND #PWR011
U 1 1 5A27060A
551
552
553
554
555
556
557
P 6650 3600
F 0 "#PWR011" H 6650 3350 50  0001 C CNN
F 1 "GND" H 6650 3450 50  0000 C CNN
F 2 "" H 6650 3600 50  0000 C CNN
F 3 "" H 6650 3600 50  0000 C CNN
	1    6650 3600
	0    -1   1    0   
558
559
$EndComp
$Comp
560
L -8V #PWR17
561
U 1 1 5A270612
562
P 6400 3650
563
F 0 "#PWR17" H 6400 3750 50  0001 C CNN
564
565
566
567
568
F 1 "-8V" H 6400 3800 50  0000 C CNN
F 2 "" H 6400 3650 50  0000 C CNN
F 3 "" H 6400 3650 50  0000 C CNN
	1    6400 3650
	1    0    0    1   
569
$EndComp
570
571
NoConn ~ 7600 4350
NoConn ~ 7600 4650
572
573
574
$Comp
L C_Small C3
U 1 1 5A27161E
575
576
577
P 4700 4150
F 0 "C3" V 4750 4200 50  0000 L CNN
F 1 "100n" V 4600 4100 50  0000 L CNN
578
F 2 "Capacitors_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm" H 4700 4150 50  0001 C CNN
579
580
F 3 "" H 4700 4150 50  0000 C CNN
	1    4700 4150
581
582
583
584
585
	0    1    1    0   
$EndComp
$Comp
L GND #PWR012
U 1 1 5A2718ED
586
587
588
589
590
591
P 4800 4150
F 0 "#PWR012" H 4800 3900 50  0001 C CNN
F 1 "GND" H 4800 4000 50  0000 C CNN
F 2 "" H 4800 4150 50  0000 C CNN
F 3 "" H 4800 4150 50  0000 C CNN
	1    4800 4150
592
593
594
595
596
	0    -1   -1   0   
$EndComp
$Comp
L R R6
U 1 1 5A2721C9
597
598
599
P 5800 3300
F 0 "R6" V 5880 3300 50  0000 C CNN
F 1 "3k3" V 5800 3300 50  0000 C CNN
600
F 2 "w_pth_resistors:RC03" V 5730 3300 50  0001 C CNN
601
602
603
F 3 "" H 5800 3300 50  0000 C CNN
	1    5800 3300
	1    0    0    1   
604
605
606
607
$EndComp
$Comp
L R R7
U 1 1 5A27226A
608
609
610
P 5800 2900
F 0 "R7" V 5880 2900 50  0000 C CNN
F 1 "5k6" V 5800 2900 50  0000 C CNN
611
F 2 "w_pth_resistors:RC03" V 5730 2900 50  0001 C CNN
612
613
614
F 3 "" H 5800 2900 50  0000 C CNN
	1    5800 2900
	1    0    0    1   
615
616
617
618
$EndComp
$Comp
L +8V #PWR013
U 1 1 5A272681
619
620
621
622
623
624
625
P 6400 2800
F 0 "#PWR013" H 6400 2650 50  0001 C CNN
F 1 "+8V" H 6400 2940 50  0000 C CNN
F 2 "" H 6400 2800 50  0000 C CNN
F 3 "" H 6400 2800 50  0000 C CNN
	1    6400 2800
	1    0    0    -1  
626
627
628
629
$EndComp
$Comp
L C_Small C6
U 1 1 5A272687
630
631
632
P 6550 2850
F 0 "C6" V 6600 2900 50  0000 L CNN
F 1 "100n" V 6450 2800 50  0000 L CNN
633
F 2 "Capacitors_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm" H 6550 2850 50  0001 C CNN
634
635
636
F 3 "" H 6550 2850 50  0000 C CNN
	1    6550 2850
	0    1    1    0   
637
638
639
640
$EndComp
$Comp
L GND #PWR014
U 1 1 5A272690
641
642
643
644
645
646
647
P 6650 2850
F 0 "#PWR014" H 6650 2600 50  0001 C CNN
F 1 "GND" H 6650 2700 50  0000 C CNN
F 2 "" H 6650 2850 50  0000 C CNN
F 3 "" H 6650 2850 50  0000 C CNN
	1    6650 2850
	0    -1   -1   0   
648
649
650
651
$EndComp
$Comp
L +8V #PWR015
U 1 1 5A272853
652
653
654
655
656
657
658
P 5800 3450
F 0 "#PWR015" H 5800 3300 50  0001 C CNN
F 1 "+8V" H 5800 3590 50  0000 C CNN
F 2 "" H 5800 3450 50  0000 C CNN
F 3 "" H 5800 3450 50  0000 C CNN
	1    5800 3450
	-1   0    0    1   
659
660
661
662
$EndComp
$Comp
L GND #PWR016
U 1 1 5A2728C1
663
664
665
666
667
668
669
P 5800 2750
F 0 "#PWR016" H 5800 2500 50  0001 C CNN
F 1 "GND" H 5800 2600 50  0000 C CNN
F 2 "" H 5800 2750 50  0000 C CNN
F 3 "" H 5800 2750 50  0000 C CNN
	1    5800 2750
	-1   0    0    1   
670
671
672
673
$EndComp
$Comp
L R R9
U 1 1 5A272BF7
674
675
676
P 6250 2450
F 0 "R9" V 6330 2450 50  0000 C CNN
F 1 "27k" V 6250 2450 50  0000 C CNN
677
F 2 "w_pth_resistors:RC03" V 6180 2450 50  0001 C CNN
678
679
680
F 3 "" H 6250 2450 50  0000 C CNN
	1    6250 2450
	0    1    -1   0   
681
682
683
684
$EndComp
$Comp
L D_Small D3
U 1 1 5A272D8D
685
686
P 6600 2450
F 0 "D3" H 6550 2530 50  0000 L CNN
687
688
F 1 "1N4148" H 6450 2370 50  0000 L CNN
F 2 "Diodes_THT:D_DO-35_SOD27_P7.62mm_Horizontal" V 6600 2450 50  0001 C CNN
689
690
691
F 3 "" V 6600 2450 50  0000 C CNN
	1    6600 2450
	-1   0    0    1   
692
693
694
695
$EndComp
$Comp
L LED D5
U 1 1 5A27312A
696
697
698
P 8800 3400
F 0 "D5" H 8800 3300 50  0000 C CNN
F 1 "SATURATION_LED" H 8800 3550 50  0000 C CNN
699
F 2 "LEDs:LED_D5.0mm" H 8800 3400 50  0001 C CNN
700
701
702
F 3 "" H 8800 3400 50  0000 C CNN
	1    8800 3400
	0    1    1    0   
703
704
705
706
$EndComp
$Comp
L R R15
U 1 1 5A2731DD
707
708
709
P 8600 3650
F 0 "R15" V 8680 3650 50  0000 C CNN
F 1 "2k7" V 8600 3650 50  0000 C CNN
710
F 2 "w_pth_resistors:RC03" V 8530 3650 50  0001 C CNN
711
712
713
F 3 "" H 8600 3650 50  0000 C CNN
	1    8600 3650
	0    -1   1    0   
714
715
716
717
$EndComp
$Comp
L +8V #PWR017
U 1 1 5A2735C3
718
719
720
721
722
723
724
P 8400 3700
F 0 "#PWR017" H 8400 3550 50  0001 C CNN
F 1 "+8V" H 8400 3840 50  0000 C CNN
F 2 "" H 8400 3700 50  0000 C CNN
F 3 "" H 8400 3700 50  0000 C CNN
	1    8400 3700
	-1   0    0    1   
725
726
727
728
$EndComp
$Comp
L R R16
U 1 1 5A275E4B
729
730
731
732
733
734
P 4500 2650
F 0 "R16" V 4580 2650 50  0000 C CNN
F 1 "10" V 4500 2650 50  0000 C CNN
F 2 "w_pth_resistors:RC03" V 4430 2650 50  0001 C CNN
F 3 "" H 4500 2650 50  0000 C CNN
	1    4500 2650
735
736
737
738
739
	0    1    1    0   
$EndComp
$Comp
L R R17
U 1 1 5A275FB0
740
741
742
743
744
745
P 4500 2950
F 0 "R17" V 4580 2950 50  0000 C CNN
F 1 "10" V 4500 2950 50  0000 C CNN
F 2 "w_pth_resistors:RC03" V 4430 2950 50  0001 C CNN
F 3 "" H 4500 2950 50  0000 C CNN
	1    4500 2950
746
747
748
749
750
	0    1    1    0   
$EndComp
$Comp
L CP_Small C10
U 1 1 5A276093
751
752
753
P 4750 3100
F 0 "C10" H 4760 3170 50  0000 L CNN
F 1 "22u" H 4760 3020 50  0000 L CNN
754
F 2 "Capacitors_THT:CP_Radial_D5.0mm_P2.50mm" H 4750 3100 50  0001 C CNN
755
756
F 3 "" H 4750 3100 50  0000 C CNN
	1    4750 3100
757
758
759
760
761
	1    0    0    1   
$EndComp
$Comp
L CP_Small C11
U 1 1 5A276151
762
763
764
P 5350 3100
F 0 "C11" H 5360 3170 50  0000 L CNN
F 1 "22u" H 5360 3020 50  0000 L CNN
765
F 2 "Capacitors_THT:CP_Radial_D5.0mm_P2.50mm" H 5350 3100 50  0001 C CNN
766
767
F 3 "" H 5350 3100 50  0000 C CNN
	1    5350 3100
768
769
770
	1    0    0    -1  
$EndComp
$Comp
771
L GND #PWR018
772
U 1 1 5A276C0A
773
774
775
776
777
778
P 4750 3300
F 0 "#PWR018" H 4750 3050 50  0001 C CNN
F 1 "GND" H 4750 3150 50  0000 C CNN
F 2 "" H 4750 3300 50  0000 C CNN
F 3 "" H 4750 3300 50  0000 C CNN
	1    4750 3300
779
780
781
	1    0    0    -1  
$EndComp
$Comp
782
L +8V #PWR019
783
U 1 1 5A2771AF
784
785
786
787
788
789
P 5350 2600
F 0 "#PWR019" H 5350 2450 50  0001 C CNN
F 1 "+8V" H 5350 2740 50  0000 C CNN
F 2 "" H 5350 2600 50  0000 C CNN
F 3 "" H 5350 2600 50  0000 C CNN
	1    5350 2600
790
791
792
	1    0    0    -1  
$EndComp
$Comp
793
L -8V #PWR8
794
U 1 1 5A2772C0
795
P 4750 2900
796
F 0 "#PWR8" H 4750 3000 50  0001 C CNN
797
798
799
800
F 1 "-8V" H 4750 3050 50  0000 C CNN
F 2 "" H 4750 2900 50  0000 C CNN
F 3 "" H 4750 2900 50  0000 C CNN
	1    4750 2900
801
802
803
	1    0    0    -1  
$EndComp
$Comp
804
L PWR_FLAG #FLG020
805
U 1 1 5A2778A9
806
807
808
809
810
811
P 4750 2550
F 0 "#FLG020" H 4750 2645 50  0001 C CNN
F 1 "PWR_FLAG" H 4750 2730 50  0000 C CNN
F 2 "" H 4750 2550 50  0000 C CNN
F 3 "" H 4750 2550 50  0000 C CNN
	1    4750 2550
812
813
814
	1    0    0    -1  
$EndComp
$Comp
815
L PWR_FLAG #FLG021
816
U 1 1 5A277BFD
817
818
819
820
821
822
P 5050 2900
F 0 "#FLG021" H 5050 2995 50  0001 C CNN
F 1 "PWR_FLAG" H 5050 3080 50  0000 C CNN
F 2 "" H 5050 2900 50  0000 C CNN
F 3 "" H 5050 2900 50  0000 C CNN
	1    5050 2900
823
824
825
	1    0    0    -1  
$EndComp
$Comp
826
L PWR_FLAG #FLG022
827
U 1 1 5A278544
828
829
830
831
832
833
P 5050 3300
F 0 "#FLG022" H 5050 3395 50  0001 C CNN
F 1 "PWR_FLAG" H 5050 3480 50  0000 C CNN
F 2 "" H 5050 3300 50  0000 C CNN
F 3 "" H 5050 3300 50  0000 C CNN
	1    5050 3300
834
835
836
	1    0    0    1   
$EndComp
$Comp
837
L GND #PWR023
838
U 1 1 5A278E18
839
840
841
842
843
844
P 3950 5350
F 0 "#PWR023" H 3950 5100 50  0001 C CNN
F 1 "GND" H 3950 5200 50  0000 C CNN
F 2 "" H 3950 5350 50  0000 C CNN
F 3 "" H 3950 5350 50  0000 C CNN
	1    3950 5350
845
846
	0    1    1    0   
$EndComp
847
Text Notes 4150 3700 0    60   ~ 0
848
POWER - Symmetric 8V\n
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
Text Notes 3550 5700 0    60   ~ 0
10x 1st Stage Amplifier\n
Text Notes 6650 5700 0    60   ~ 0
1-10x 2nd Stage Amplifier
Text Notes 7050 3800 0    60   ~ 0
Saturation Indicator
Text Notes 5650 3150 0    60   ~ 0
5V
Wire Wire Line
	3550 4400 3650 4400
Wire Wire Line
	3600 4400 3600 4450
Connection ~ 3600 4400
Wire Wire Line
	3200 4500 3200 4400
Wire Wire Line
	2950 4400 3250 4400
Connection ~ 3200 4400
Wire Wire Line
	2800 4900 3200 4900
Wire Wire Line
	3200 4800 3200 4950
Connection ~ 3200 4900
Wire Wire Line
	3950 4400 4350 4400
Wire Wire Line
	4000 4400 4000 4550
Wire Wire Line
	4000 4950 4000 4850
Connection ~ 4000 4400
Wire Wire Line
	4550 4800 4550 4900
Wire Wire Line
	4550 4850 4600 4850
Wire Wire Line
	4500 5250 4450 5250
Wire Wire Line
	4450 5250 4450 5450
Wire Wire Line
	4450 5450 4500 5450
Wire Wire Line
	4250 5350 4450 5350
Wire Wire Line
	4300 4600 4300 5350
Wire Wire Line
	4300 4600 4350 4600
Connection ~ 4450 5350
Wire Wire Line
	4800 5250 4850 5250
Wire Wire Line
	4850 5250 4850 5450
Wire Wire Line
	4850 5450 4800 5450
Wire Wire Line
	5100 5350 4850 5350
Wire Wire Line
	5100 4500 5100 5350
Wire Wire Line
	4950 4500 5200 4500
Connection ~ 4850 5350
Wire Wire Line
	6350 4450 7000 4450
Wire Wire Line
	6400 4450 6400 4500
Wire Wire Line
	6700 4450 6700 4500
Connection ~ 6400 4450
Wire Wire Line
	6400 4800 6400 4850
Wire Wire Line
	6400 4850 6700 4850
Wire Wire Line
	6700 4850 6700 4800
Wire Wire Line
	6550 4900 6550 4850
Connection ~ 6550 4850
Connection ~ 5100 4500
Connection ~ 6700 4450
Wire Wire Line
	7200 4850 7200 4950
Wire Wire Line
	7200 4900 7250 4900
Wire Wire Line
	6950 4650 6950 5350
Wire Wire Line
	6950 4650 7000 4650
Wire Wire Line
	7150 5250 7200 5250
Wire Wire Line
	7550 5250 7500 5250
Wire Wire Line
	7150 5250 7150 5450
Wire Wire Line
	7150 5450 7200 5450
Wire Wire Line
	7550 5450 7500 5450
Wire Wire Line
	7550 5250 7550 5450
Connection ~ 7550 5350
Wire Wire Line
	6850 5350 7150 5350
Connection ~ 7150 5350
Connection ~ 6950 5350
Wire Wire Line
	6050 5350 6200 5350
Wire Wire Line
	6150 5350 6150 5150
Wire Wire Line
	6150 5150 6350 5150
Wire Wire Line
	6350 5150 6350 5200
Wire Wire Line
	6500 5350 6550 5350
Connection ~ 6150 5350
Wire Wire Line
964
	7700 4350 7700 5350
965
Wire Wire Line
966
	8100 4550 8500 4550
967
Wire Wire Line
968
969
	8150 4550 8150 4600
Connection ~ 8150 4550
970
971
972
Wire Wire Line
	2800 4600 2800 4900
Wire Wire Line
973
	8150 4800 8150 4900
974
Wire Wire Line
975
	8150 4850 8650 4850
976
Wire Wire Line
977
978
	8650 4850 8650 4750
Connection ~ 8150 4850
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
Connection ~ 4550 4850
Connection ~ 7200 4900
Wire Wire Line
	6050 5250 6050 5350
Wire Wire Line
	5950 5250 5950 5350
Wire Wire Line
	5950 5350 5850 5350
Wire Wire Line
	6100 3350 6100 3300
Wire Wire Line
	6100 3300 6200 3300
Wire Wire Line
	6400 3600 6450 3600
Connection ~ 6400 3600
Wire Wire Line
	6400 3500 6400 3650
Wire Wire Line
	4600 4150 4550 4150
Wire Wire Line
	4550 4100 4550 4200
Connection ~ 4550 4150
Wire Wire Line
	6450 2850 6400 2850
Wire Wire Line
	6400 2800 6400 2900
Connection ~ 6400 2850
Wire Wire Line
	5800 3050 5800 3150
Wire Wire Line
	5800 3100 6200 3100
Connection ~ 5800 3100
Wire Wire Line
	6700 2450 6900 2450
Wire Wire Line
	6900 2450 6900 3200
Wire Wire Line
	6800 3200 8800 3200
Wire Wire Line
	6400 2450 6500 2450
Wire Wire Line
	6100 2450 6050 2450
Wire Wire Line
	6050 2450 6050 3100
Connection ~ 6050 3100
Connection ~ 6900 3200
Wire Wire Line
	8800 3600 8800 3650
Wire Wire Line
	8800 3650 8750 3650
Wire Wire Line
	8400 3700 8400 3650
Wire Wire Line
	8400 3650 8450 3650
Wire Wire Line
	4750 2900 4750 3000
Wire Wire Line
1036
	4650 2950 5050 2950
1037
1038
1039
Wire Wire Line
	5350 2600 5350 3000
Wire Wire Line
1040
	4650 2650 5350 2650
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
Wire Wire Line
	4750 3200 4750 3300
Wire Wire Line
	4300 3250 5350 3250
Wire Wire Line
	5350 3250 5350 3200
Connection ~ 4750 3250
Connection ~ 5350 2650
Wire Wire Line
	4750 2550 4750 2650
Connection ~ 4750 2650
Wire Wire Line
	5050 2950 5050 2900
Connection ~ 4750 2950
Wire Wire Line
	5050 3300 5050 3250
Connection ~ 5050 3250
Connection ~ 4300 5350
1059
Wire Notes Line
1060
	3750 3800 5550 3800
1061
Wire Notes Line
1062
	5550 3800 5550 2250
1063
Wire Notes Line
1064
	5550 2250 3750 2250
1065
Wire Notes Line
1066
	2550 3850 5550 3850
1067
Wire Notes Line
1068
	2550 5750 5550 5750
1069
Wire Notes Line
1070
	5600 4050 5600 5750
1071
Wire Notes Line
1072
	5600 5750 9050 5750
1073
Wire Notes Line
1074
	5600 4050 9050 4050
1075
Wire Notes Line
1076
	5600 4000 9050 4000
1077
Wire Notes Line
1078
	9050 4000 9050 2100
1079
Wire Notes Line
1080
	9050 2100 5600 2100
1081
Wire Notes Line
1082
1083
1084
1085
1086
1087
1088
	5600 2100 5600 4000
Wire Wire Line
	3600 4650 3600 4700
Wire Wire Line
	3600 4950 3600 4900
Text GLabel 5200 4500 2    60   Output ~ 0
OUT1
1089
Wire Notes Line
1090
	5550 5750 5550 3850
1091
Wire Notes Line
1092
1093
1094
	2550 3850 2550 5750
Text GLabel 6050 4450 0    60   Input ~ 0
OUT1
1095
Text GLabel 7850 4350 2    60   Output ~ 0
1096
OUT2
1097
Wire Notes Line
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
	9050 4050 9050 5750
Text GLabel 6050 3800 0    60   Input ~ 0
OUT2
Wire Wire Line
	6050 3800 6100 3800
Wire Wire Line
	6100 3800 6100 3650
Connection ~ 2850 3250
Wire Wire Line
	2850 3250 2950 3250
Wire Wire Line
	2850 3050 2850 3300
Wire Wire Line
	2950 3050 2850 3050
NoConn ~ 3550 3150
NoConn ~ 3150 3450
NoConn ~ 3150 2850
$Comp
L GND #PWR024
U 1 1 5A274D3B
P 2850 3300
F 0 "#PWR024" H 2850 3050 50  0001 C CNN
F 1 "GND" H 2850 3150 50  0000 C CNN
F 2 "" H 2850 3300 50  0000 C CNN
F 3 "" H 2850 3300 50  0000 C CNN
	1    2850 3300
	1    0    0    -1  
$EndComp
$Comp
L LM393 U2
U 2 1 5A26FA9A
P 3250 3150
F 0 "U2" H 3400 3300 50  0000 C CNN
F 1 "LM393" H 3500 3000 50  0000 C CNN
1132
F 2 "Housings_DIP:DIP-8_W7.62mm_Socket_LongPads" H 3250 3150 50  0001 C CNN
1133
1134
1135
1136
F 3 "" H 3250 3150 50  0000 C CNN
	2    3250 3150
	1    0    0    -1  
$EndComp
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
NoConn ~ 7600 4450
Wire Wire Line
	7600 4550 7800 4550
Connection ~ 7700 4550
Wire Wire Line
	7700 4350 7850 4350
Wire Wire Line
	7700 5350 7550 5350
Text Notes 4400 2600 0    60   ~ 0
1W
Text Notes 4400 2900 0    60   ~ 0
1W
$Comp
L CONN_01X03 P4
U 1 1 5A37B0B0
P 4050 2950
F 0 "P4" H 4050 3150 50  0000 C CNN
F 1 "POWER" H 3950 2750 50  0000 C CNN
F 2 "Connectors:bornier3" H 4050 2950 50  0001 C CNN
F 3 "" H 4050 2950 50  0000 C CNN
	1    4050 2950
	-1   0    0    1   
$EndComp
Wire Wire Line
	4250 2950 4350 2950
Wire Wire Line
	4250 2850 4300 2850
Wire Wire Line
	4300 2850 4300 2650
Wire Wire Line
	4300 2650 4350 2650
Wire Wire Line
	4250 3050 4300 3050
Wire Wire Line
	4300 3050 4300 3250
Text Notes 3800 3100 0    60   ~ 0
GND
Text Notes 3850 2900 0    60   ~ 0
+8
Text Notes 3850 3000 0    60   ~ 0
-8\n
Wire Notes Line
	3750 2250 3750 3800
1180
$EndSCHEMATC