I_AMP.sch 24.1 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
LIBS:I_AMP-cache
EELAYER 25 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 1
96 97 98 99 100 101
Title "Current Sensor for Materials Analysis"
Date "2017-12-06"
Rev "1"
Comp "LAPMA - UFRGS"
Comment1 "All resistors are 1/8W"
Comment2 "Designed by Alisson Claudino"
102 103 104 105
Comment3 ""
Comment4 ""
$EndDescr
$Comp
106
L GND #PWR1
107 108
U 1 1 5A26D72D
P 2050 2600
109
F 0 "#PWR1" H 2050 2350 50  0001 C CNN
110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
F 1 "GND" H 2050 2450 50  0000 C CNN
F 2 "" H 2050 2600 50  0000 C CNN
F 3 "" H 2050 2600 50  0000 C CNN
	1    2050 2600
	1    0    0    -1  
$EndComp
Text Notes 1850 2300 0    60   ~ 0
5W
Text Notes 2150 2300 0    60   ~ 0
5W
NoConn ~ 5650 2650
NoConn ~ 5650 2050
$Comp
L R R1
U 1 1 5A270FC5
P 2050 2350
F 0 "R1" V 2130 2350 50  0000 C CNN
F 1 "2R2" V 2050 2350 50  0000 C CNN
F 2 "" V 1980 2350 50  0000 C CNN
F 3 "" H 2050 2350 50  0000 C CNN
	1    2050 2350
	1    0    0    -1  
$EndComp
$Comp
L R R2
U 1 1 5A270FC6
P 2350 2350
F 0 "R2" V 2430 2350 50  0000 C CNN
F 1 "2R2" V 2350 2350 50  0000 C CNN
F 2 "" V 2280 2350 50  0000 C CNN
F 3 "" H 2350 2350 50  0000 C CNN
	1    2350 2350
	1    0    0    -1  
$EndComp
$Comp
145
L R R5
146 147
U 1 1 5A270FC7
P 3250 2150
148
F 0 "R5" V 3330 2150 50  0000 C CNN
149 150 151 152 153 154 155
F 1 "20k" V 3250 2150 50  0000 C CNN
F 2 "" V 3180 2150 50  0000 C CNN
F 3 "" H 3250 2150 50  0000 C CNN
	1    3250 2150
	0    1    1    0   
$EndComp
$Comp
156
L GND #PWR2
157 158
U 1 1 5A270FC9
P 2050 2600
159
F 0 "#PWR2" H 2050 2350 50  0001 C CNN
160 161 162 163 164 165 166 167 168 169 170
F 1 "GND" H 2050 2450 50  0000 C CNN
F 2 "" H 2050 2600 50  0000 C CNN
F 3 "" H 2050 2600 50  0000 C CNN
	1    2050 2600
	1    0    0    -1  
$EndComp
$Comp
L D_Small D1
U 1 1 5A270FCC
P 3850 1500
F 0 "D1" H 3800 1580 50  0000 L CNN
171
F 1 "1n4148" H 3700 1420 50  0000 L CNN
172 173 174 175 176 177
F 2 "" V 3850 1500 50  0000 C CNN
F 3 "" V 3850 1500 50  0000 C CNN
	1    3850 1500
	1    0    0    -1  
$EndComp
$Comp
178
L R R6
179 180
U 1 1 5A270FCD
P 3850 1300
181
F 0 "R6" V 3930 1300 50  0000 C CNN
182 183 184 185 186 187 188
F 1 "20k" V 3850 1300 50  0000 C CNN
F 2 "" V 3780 1300 50  0000 C CNN
F 3 "" H 3850 1300 50  0000 C CNN
	1    3850 1300
	0    1    -1   0   
$EndComp
$Comp
189
L GND #PWR3
190 191
U 1 1 5A270FCE
P 3450 2400
192
F 0 "#PWR3" H 3450 2150 50  0001 C CNN
193 194 195 196 197 198 199 200 201 202 203 204 205
F 1 "GND" H 3450 2250 50  0000 C CNN
F 2 "" H 3450 2400 50  0000 C CNN
F 3 "" H 3450 2400 50  0000 C CNN
	1    3450 2400
	1    0    0    -1  
$EndComp
Text Notes 1850 2300 0    60   ~ 0
5W
Text Notes 2150 2300 0    60   ~ 0
5W
NoConn ~ 5650 2650
NoConn ~ 5650 2050
$Comp
206
L R R14
207
U 1 1 5A270FD6
208 209 210 211 212 213
P 7200 2350
F 0 "R14" V 7280 2350 50  0000 C CNN
F 1 "10k" V 7200 2350 50  0000 C CNN
F 2 "" V 7130 2350 50  0000 C CNN
F 3 "" H 7200 2350 50  0000 C CNN
	1    7200 2350
214 215 216
	0    1    1    0   
$EndComp
$Comp
217
L C C8
218
U 1 1 5A270FD7
219 220 221 222 223 224
P 7400 2550
F 0 "C8" H 7425 2650 50  0000 L CNN
F 1 "220n" H 7200 2450 50  0000 L CNN
F 2 "" H 7438 2400 50  0000 C CNN
F 3 "" H 7400 2550 50  0000 C CNN
	1    7400 2550
225 226 227
	1    0    0    -1  
$EndComp
$Comp
228
L R R15
229
U 1 1 5A270FD8
230 231 232 233 234 235
P 7600 2550
F 0 "R15" V 7680 2550 50  0000 C CNN
F 1 "RX" V 7600 2550 50  0000 C CNN
F 2 "" V 7530 2550 50  0000 C CNN
F 3 "" H 7600 2550 50  0000 C CNN
	1    7600 2550
236 237 238
	1    0    0    -1  
$EndComp
$Comp
239
L GND #PWR20
240
U 1 1 5A270FD9
241 242 243 244 245 246
P 7500 2800
F 0 "#PWR20" H 7500 2550 50  0001 C CNN
F 1 "GND" H 7500 2650 50  0000 C CNN
F 2 "" H 7500 2800 50  0000 C CNN
F 3 "" H 7500 2800 50  0000 C CNN
	1    7500 2800
247 248 249
	1    0    0    -1  
$EndComp
$Comp
250
L +8V #PWR22
251
U 1 1 5A270FDB
252 253 254 255 256 257
P 8200 2150
F 0 "#PWR22" H 8200 2000 50  0001 C CNN
F 1 "+8V" H 8200 2290 50  0000 C CNN
F 2 "" H 8200 2150 50  0000 C CNN
F 3 "" H 8200 2150 50  0000 C CNN
	1    8200 2150
258 259 260
	1    0    0    -1  
$EndComp
$Comp
261
L GND #PWR13
262 263
U 1 1 5A270FDD
P 5400 2500
264
F 0 "#PWR13" H 5400 2250 50  0001 C CNN
265 266 267 268 269 270 271
F 1 "GND" H 5400 2350 50  0000 C CNN
F 2 "" H 5400 2500 50  0000 C CNN
F 3 "" H 5400 2500 50  0000 C CNN
	1    5400 2500
	1    0    0    -1  
$EndComp
$Comp
272
L ZENERsmall D5
273
U 1 1 5A270FE1
274 275 276 277 278 279
P 9050 2600
F 0 "D5" H 9050 2700 50  0000 C CNN
F 1 "5V1" H 9050 2500 50  0000 C CNN
F 2 "" H 9050 2600 50  0000 C CNN
F 3 "" H 9050 2600 50  0000 C CNN
	1    9050 2600
280 281 282
	0    1    1    0   
$EndComp
$Comp
283
L OPA177 U3
284
U 1 1 5A270FDA
285 286 287 288 289 290
P 8300 2450
F 0 "U3" H 8300 2450 50  0000 C CNN
F 1 "OPA177" H 8450 2250 50  0000 C CNN
F 2 "" H 8200 2350 50  0000 C CNN
F 3 "" H 8300 2450 50  0000 C CNN
	1    8300 2450
291 292 293
	1    0    0    -1  
$EndComp
$Comp
294
L CP C5
295 296
U 1 1 5A270FD3
P 5450 1600
297
F 0 "C5" V 5500 1700 50  0000 L CNN
298 299 300 301 302 303 304
F 1 "10u" V 5300 1550 50  0000 L CNN
F 2 "" H 5488 1450 50  0000 C CNN
F 3 "" H 5450 1600 50  0000 C CNN
	1    5450 1600
	0    1    1    0   
$EndComp
$Comp
305
L R R12
306 307
U 1 1 5A270FD4
P 5450 1800
308
F 0 "R12" V 5530 1800 50  0000 C CNN
309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330
F 1 "18k" V 5450 1800 50  0000 C CNN
F 2 "" V 5380 1800 50  0000 C CNN
F 3 "" H 5450 1800 50  0000 C CNN
	1    5450 1800
	0    1    1    0   
$EndComp
$Comp
L POT RV1
U 1 1 5A270FD5
P 5850 1800
F 0 "RV1" H 5850 1720 50  0000 C CNN
F 1 "5k" H 5850 1800 50  0000 C CNN
F 2 "" H 5850 1800 50  0000 C CNN
F 3 "" H 5850 1800 50  0000 C CNN
	1    5850 1800
	1    0    0    -1  
$EndComp
$Comp
L D_Small D2
U 1 1 5A270FCA
P 4300 2250
F 0 "D2" H 4250 2330 50  0000 L CNN
331
F 1 "1n4148" H 4150 2170 50  0000 L CNN
332 333 334 335 336 337
F 2 "" V 4300 2250 50  0000 C CNN
F 3 "" V 4300 2250 50  0000 C CNN
	1    4300 2250
	1    0    0    -1  
$EndComp
$Comp
338
L R R8
339 340
U 1 1 5A270FCB
P 4800 2250
341
F 0 "R8" V 4880 2250 50  0000 C CNN
342 343 344 345 346 347 348
F 1 "10k" V 4800 2250 50  0000 C CNN
F 2 "" V 4730 2250 50  0000 C CNN
F 3 "" H 4800 2250 50  0000 C CNN
	1    4800 2250
	0    1    1    0   
$EndComp
$Comp
349
L GND #PWR8
350 351
U 1 1 5A270FD1
P 3950 1900
352
F 0 "#PWR8" H 3950 1650 50  0001 C CNN
353 354 355 356 357 358 359 360 361
F 1 "GND" H 3950 1750 50  0000 C CNN
F 2 "" H 3950 1900 50  0000 C CNN
F 3 "" H 3950 1900 50  0000 C CNN
	1    3950 1900
	0    -1   -1   0   
$EndComp
$Comp
L -8V #PWR23
U 1 1 5A270FDC
362 363 364 365 366 367
P 8200 2750
F 0 "#PWR23" H 8200 2850 50  0001 C CNN
F 1 "-8V" H 8200 2900 50  0000 C CNN
F 2 "" H 8200 2750 50  0000 C CNN
F 3 "" H 8200 2750 50  0000 C CNN
	1    8200 2750
368 369 370
	1    0    0    1   
$EndComp
$Comp
371
L R R18
372
U 1 1 5A270FDE
373 374 375 376 377 378
P 8250 3100
F 0 "R18" V 8330 3100 50  0000 C CNN
F 1 "27k" V 8250 3100 50  0000 C CNN
F 2 "" V 8180 3100 50  0000 C CNN
F 3 "" H 8250 3100 50  0000 C CNN
	1    8250 3100
379 380 381
	0    1    1    0   
$EndComp
$Comp
382
L C C9
383
U 1 1 5A270FDF
384 385 386 387 388 389
P 8250 3400
F 0 "C9" H 8275 3500 50  0000 L CNN
F 1 "220n" V 8300 3150 50  0000 L CNN
F 2 "" H 8288 3250 50  0000 C CNN
F 3 "" H 8250 3400 50  0000 C CNN
	1    8250 3400
390 391 392
	0    1    1    0   
$EndComp
$Comp
393
L GND #PWR24
394
U 1 1 5A270FE2
395 396 397 398 399 400
P 9050 2800
F 0 "#PWR24" H 9050 2550 50  0001 C CNN
F 1 "GND" H 9050 2650 50  0000 C CNN
F 2 "" H 9050 2800 50  0000 C CNN
F 3 "" H 9050 2800 50  0000 C CNN
	1    9050 2800
401 402 403
	1    0    0    -1  
$EndComp
$Comp
404
L R R19
405
U 1 1 5A270FE0
406 407 408 409 410 411
P 8850 2450
F 0 "R19" V 8750 2450 50  0000 C CNN
F 1 "100" V 8850 2450 50  0000 C CNN
F 2 "" V 8780 2450 50  0000 C CNN
F 3 "" H 8850 2450 50  0000 C CNN
	1    8850 2450
412 413 414 415 416 417 418
	0    1    1    0   
$EndComp
$Comp
L TL062 U1
U 2 1 5A270FD2
P 5750 2350
F 0 "U1" H 5700 2350 50  0000 L CNN
419
F 1 "TL062" H 5700 2200 50  0000 L CNN
420 421 422 423 424 425
F 2 "" H 5750 2350 50  0000 C CNN
F 3 "" H 5750 2350 50  0000 C CNN
	2    5750 2350
	1    0    0    1   
$EndComp
$Comp
426
L C_Small C2
427 428
U 1 1 5A270FCF
P 3850 1900
429
F 0 "C2" V 3950 2000 50  0000 L CNN
430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458
F 1 "100n" V 3750 1850 50  0000 L CNN
F 2 "" H 3850 1900 50  0000 C CNN
F 3 "" H 3850 1900 50  0000 C CNN
	1    3850 1900
	0    1    1    0   
$EndComp
$Comp
L -8V #PWR6
U 1 1 5A270FD0
P 3700 1850
F 0 "#PWR6" H 3700 1950 50  0001 C CNN
F 1 "-8V" H 3700 2000 50  0000 C CNN
F 2 "" H 3700 1850 50  0000 C CNN
F 3 "" H 3700 1850 50  0000 C CNN
	1    3700 1850
	1    0    0    -1  
$EndComp
$Comp
L BNC P1
U 1 1 5A270FC4
P 1400 2150
F 0 "P1" H 1550 2050 50  0000 C CNN
F 1 "INPUT" H 1400 2300 50  0000 C CNN
F 2 "" H 1400 2150 50  0000 C CNN
F 3 "" H 1400 2150 50  0000 C CNN
	1    1400 2150
	-1   0    0    -1  
$EndComp
$Comp
459
L BNC P6
460
U 1 1 5A270FE3
461 462 463 464 465 466
P 9600 2450
F 0 "P6" H 9750 2350 50  0000 C CNN
F 1 "OUTPUT (0-5V)" H 9600 2600 50  0000 C CNN
F 2 "" H 9600 2450 50  0000 C CNN
F 3 "" H 9600 2450 50  0000 C CNN
	1    9600 2450
467 468 469
	1    0    0    -1  
$EndComp
$Comp
470
L GND #PWR9
471 472
U 1 1 5A2738F2
P 3950 2600
473
F 0 "#PWR9" H 3950 2350 50  0001 C CNN
474 475 476 477 478 479 480
F 1 "GND" H 3950 2450 50  0000 C CNN
F 2 "" H 3950 2600 50  0000 C CNN
F 3 "" H 3950 2600 50  0000 C CNN
	1    3950 2600
	0    -1   -1   0   
$EndComp
$Comp
481
L C_Small C3
482 483
U 1 1 5A2738F8
P 3850 2600
484
F 0 "C3" V 3950 2700 50  0000 L CNN
485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502
F 1 "100n" V 3750 2550 50  0000 L CNN
F 2 "" H 3850 2600 50  0000 C CNN
F 3 "" H 3850 2600 50  0000 C CNN
	1    3850 2600
	0    1    1    0   
$EndComp
$Comp
L TL062 U1
U 1 1 5A270FC8
P 3800 2250
F 0 "U1" H 3750 2250 50  0000 L CNN
F 1 "TL062" H 3850 2150 50  0000 L CNN
F 2 "" H 3800 2250 50  0000 C CNN
F 3 "" H 3800 2250 50  0000 C CNN
	1    3800 2250
	1    0    0    1   
$EndComp
$Comp
503
L +8V #PWR7
504 505
U 1 1 5A273BD0
P 3700 2650
506
F 0 "#PWR7" H 3700 2500 50  0001 C CNN
507 508 509 510 511 512 513
F 1 "+8V" H 3700 2790 50  0000 C CNN
F 2 "" H 3700 2650 50  0000 C CNN
F 3 "" H 3700 2650 50  0000 C CNN
	1    3700 2650
	-1   0    0    1   
$EndComp
$Comp
514
L LM393 U2
515 516
U 1 1 5A27494E
P 5700 4600
517
F 0 "U2" H 5750 4600 50  0000 C CNN
518 519 520 521 522 523 524
F 1 "LM393" H 5950 4450 50  0000 C CNN
F 2 "" H 5700 4600 50  0000 C CNN
F 3 "" H 5700 4600 50  0000 C CNN
	1    5700 4600
	1    0    0    1   
$EndComp
$Comp
525
L LM393 U2
526 527
U 2 1 5A27494F
P 5850 6400
528
F 0 "U2" H 6000 6550 50  0000 C CNN
529 530 531 532 533 534 535
F 1 "LM393" H 6100 6250 50  0000 C CNN
F 2 "" H 5850 6400 50  0000 C CNN
F 3 "" H 5850 6400 50  0000 C CNN
	2    5850 6400
	1    0    0    -1  
$EndComp
$Comp
536
L R R11
537 538
U 1 1 5A274950
P 5300 4300
539
F 0 "R11" V 5380 4300 50  0000 C CNN
540 541 542 543 544 545 546
F 1 "2k7" V 5300 4300 50  0000 C CNN
F 2 "" V 5230 4300 50  0000 C CNN
F 3 "" H 5300 4300 50  0000 C CNN
	1    5300 4300
	-1   0    0    1   
$EndComp
$Comp
547
L C_Small C6
548 549
U 1 1 5A274951
P 5750 4200
550
F 0 "C6" V 5850 4200 50  0000 L CNN
551 552 553 554 555 556 557
F 1 "100n" V 5650 4100 50  0000 L CNN
F 2 "" H 5750 4200 50  0000 C CNN
F 3 "" H 5750 4200 50  0000 C CNN
	1    5750 4200
	0    1    1    0   
$EndComp
$Comp
558
L GND #PWR17
559 560
U 1 1 5A274952
P 5850 4200
561
F 0 "#PWR17" H 5850 3950 50  0001 C CNN
562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579
F 1 "GND" H 5850 4050 50  0000 C CNN
F 2 "" H 5850 4200 50  0000 C CNN
F 3 "" H 5850 4200 50  0000 C CNN
	1    5850 4200
	0    -1   -1   0   
$EndComp
$Comp
L -8V #PWR15
U 1 1 5A274953
P 5600 4150
F 0 "#PWR15" H 5600 4250 50  0001 C CNN
F 1 "-8V" H 5600 4300 50  0000 C CNN
F 2 "" H 5600 4150 50  0000 C CNN
F 3 "" H 5600 4150 50  0000 C CNN
	1    5600 4150
	1    0    0    -1  
$EndComp
$Comp
580
L R R9
581 582
U 1 1 5A274956
P 5000 4500
583
F 0 "R9" V 5080 4500 50  0000 C CNN
584 585 586 587 588 589 590
F 1 "3k3" V 5000 4500 50  0000 C CNN
F 2 "" V 4930 4500 50  0000 C CNN
F 3 "" H 5000 4500 50  0000 C CNN
	1    5000 4500
	1    0    0    -1  
$EndComp
$Comp
591
L R R10
592 593
U 1 1 5A274957
P 5000 4900
594
F 0 "R10" V 5080 4900 50  0000 C CNN
595 596 597 598 599 600 601
F 1 "5k6" V 5000 4900 50  0000 C CNN
F 2 "" V 4930 4900 50  0000 C CNN
F 3 "" H 5000 4900 50  0000 C CNN
	1    5000 4900
	1    0    0    -1  
$EndComp
$Comp
602
L +8V #PWR16
603 604
U 1 1 5A274958
P 5600 5000
605
F 0 "#PWR16" H 5600 4850 50  0001 C CNN
606 607 608 609 610 611 612
F 1 "+8V" H 5600 5140 50  0000 C CNN
F 2 "" H 5600 5000 50  0000 C CNN
F 3 "" H 5600 5000 50  0000 C CNN
	1    5600 5000
	1    0    0    1   
$EndComp
$Comp
613
L C_Small C7
614 615
U 1 1 5A274959
P 5750 4950
616
F 0 "C7" V 5800 5000 50  0000 L CNN
617 618 619 620 621 622 623
F 1 "100n" V 5650 4900 50  0000 L CNN
F 2 "" H 5750 4950 50  0000 C CNN
F 3 "" H 5750 4950 50  0000 C CNN
	1    5750 4950
	0    1    -1   0   
$EndComp
$Comp
624
L GND #PWR18
625 626
U 1 1 5A27495A
P 5850 4950
627
F 0 "#PWR18" H 5850 4700 50  0001 C CNN
628 629 630 631 632 633 634
F 1 "GND" H 5850 4800 50  0000 C CNN
F 2 "" H 5850 4950 50  0000 C CNN
F 3 "" H 5850 4950 50  0000 C CNN
	1    5850 4950
	0    -1   1    0   
$EndComp
$Comp
635
L +8V #PWR11
636 637
U 1 1 5A27495B
P 5000 4350
638
F 0 "#PWR11" H 5000 4200 50  0001 C CNN
639 640 641 642 643 644 645
F 1 "+8V" H 5000 4490 50  0000 C CNN
F 2 "" H 5000 4350 50  0000 C CNN
F 3 "" H 5000 4350 50  0000 C CNN
	1    5000 4350
	-1   0    0    -1  
$EndComp
$Comp
646
L GND #PWR12
647 648
U 1 1 5A27495C
P 5000 5050
649
F 0 "#PWR12" H 5000 4800 50  0001 C CNN
650 651 652 653 654 655 656
F 1 "GND" H 5000 4900 50  0000 C CNN
F 2 "" H 5000 5050 50  0000 C CNN
F 3 "" H 5000 5050 50  0000 C CNN
	1    5000 5050
	-1   0    0    -1  
$EndComp
$Comp
657
L R R13
658 659
U 1 1 5A27495D
P 5450 5350
660
F 0 "R13" V 5530 5350 50  0000 C CNN
661 662 663 664 665 666 667
F 1 "27k" V 5450 5350 50  0000 C CNN
F 2 "" V 5380 5350 50  0000 C CNN
F 3 "" H 5450 5350 50  0000 C CNN
	1    5450 5350
	0    1    1    0   
$EndComp
$Comp
668
L D_Small D3
669 670
U 1 1 5A27495E
P 5800 5350
671
F 0 "D3" H 5750 5430 50  0000 L CNN
672 673 674 675 676 677 678
F 1 "1n4001" H 5650 5270 50  0000 L CNN
F 2 "" V 5800 5350 50  0000 C CNN
F 3 "" V 5800 5350 50  0000 C CNN
	1    5800 5350
	-1   0    0    -1  
$EndComp
$Comp
679
L LED D4
680 681
U 1 1 5A27495F
P 8000 4400
682
F 0 "D4" H 8000 4300 50  0000 C CNN
683 684 685 686 687 688 689
F 1 "SATURATION_LED" H 8000 4550 50  0000 C CNN
F 2 "" H 8000 4400 50  0000 C CNN
F 3 "" H 8000 4400 50  0000 C CNN
	1    8000 4400
	0    1    -1   0   
$EndComp
$Comp
690
L R R17
691 692
U 1 1 5A274960
P 7800 4150
693
F 0 "R17" V 7880 4150 50  0000 C CNN
694 695 696 697 698 699 700
F 1 "2k7" V 7800 4150 50  0000 C CNN
F 2 "" V 7730 4150 50  0000 C CNN
F 3 "" H 7800 4150 50  0000 C CNN
	1    7800 4150
	0    -1   -1   0   
$EndComp
$Comp
701
L +8V #PWR21
702 703
U 1 1 5A274961
P 7600 4100
704
F 0 "#PWR21" H 7600 3950 50  0001 C CNN
705 706 707 708 709 710 711
F 1 "+8V" H 7600 4240 50  0000 C CNN
F 2 "" H 7600 4100 50  0000 C CNN
F 3 "" H 7600 4100 50  0000 C CNN
	1    7600 4100
	-1   0    0    -1  
$EndComp
$Comp
712
L GND #PWR14
713 714
U 1 1 5A274962
P 5450 6550
715
F 0 "#PWR14" H 5450 6300 50  0001 C CNN
716 717 718 719 720 721 722 723 724 725
F 1 "GND" H 5450 6400 50  0000 C CNN
F 2 "" H 5450 6550 50  0000 C CNN
F 3 "" H 5450 6550 50  0000 C CNN
	1    5450 6550
	1    0    0    -1  
$EndComp
NoConn ~ 5750 6100
NoConn ~ 5750 6700
NoConn ~ 6150 6400
$Comp
726
L CONN_01X01 P2
727 728
U 1 1 5A274963
P 2800 4050
729
F 0 "P2" H 2800 4150 50  0000 C CNN
730 731 732 733 734 735 736
F 1 "+8" V 2900 4050 50  0000 C CNN
F 2 "" H 2800 4050 50  0000 C CNN
F 3 "" H 2800 4050 50  0000 C CNN
	1    2800 4050
	-1   0    0    -1  
$EndComp
$Comp
737
L CONN_01X01 P3
738 739
U 1 1 5A274964
P 2800 4350
740
F 0 "P3" H 2800 4450 50  0000 C CNN
741 742 743 744 745 746 747
F 1 "-8" V 2900 4350 50  0000 C CNN
F 2 "" H 2800 4350 50  0000 C CNN
F 3 "" H 2800 4350 50  0000 C CNN
	1    2800 4350
	-1   0    0    -1  
$EndComp
$Comp
748
L CONN_01X01 P4
749 750
U 1 1 5A274965
P 2800 4650
751
F 0 "P4" H 2800 4750 50  0000 C CNN
752 753 754 755 756 757 758
F 1 "GND" V 2900 4650 50  0000 C CNN
F 2 "" H 2800 4650 50  0000 C CNN
F 3 "" H 2800 4650 50  0000 C CNN
	1    2800 4650
	-1   0    0    -1  
$EndComp
$Comp
759
L R R3
760 761
U 1 1 5A274966
P 3150 4050
762
F 0 "R3" V 3230 4050 50  0000 C CNN
763 764 765 766 767 768 769
F 1 "10" V 3150 4050 50  0000 C CNN
F 2 "" V 3080 4050 50  0000 C CNN
F 3 "" H 3150 4050 50  0000 C CNN
	1    3150 4050
	0    1    1    0   
$EndComp
$Comp
770
L R R4
771 772
U 1 1 5A274967
P 3150 4350
773
F 0 "R4" V 3230 4350 50  0000 C CNN
774 775 776 777 778 779 780
F 1 "10" V 3150 4350 50  0000 C CNN
F 2 "" V 3080 4350 50  0000 C CNN
F 3 "" H 3150 4350 50  0000 C CNN
	1    3150 4350
	0    1    1    0   
$EndComp
$Comp
781
L CP_Small C1
782 783
U 1 1 5A274968
P 3450 4500
784
F 0 "C1" H 3460 4570 50  0000 L CNN
785 786 787 788 789 790 791
F 1 "22u" H 3460 4420 50  0000 L CNN
F 2 "" H 3450 4500 50  0000 C CNN
F 3 "" H 3450 4500 50  0000 C CNN
	1    3450 4500
	1    0    0    1   
$EndComp
$Comp
792
L CP_Small C4
793 794
U 1 1 5A274969
P 4050 4500
795
F 0 "C4" H 4060 4570 50  0000 L CNN
796 797 798 799 800 801 802
F 1 "22u" H 4060 4420 50  0000 L CNN
F 2 "" H 4050 4500 50  0000 C CNN
F 3 "" H 4050 4500 50  0000 C CNN
	1    4050 4500
	1    0    0    -1  
$EndComp
$Comp
803
L GND #PWR5
804 805
U 1 1 5A27496A
P 3450 4700
806
F 0 "#PWR5" H 3450 4450 50  0001 C CNN
807 808 809 810 811 812 813
F 1 "GND" H 3450 4550 50  0000 C CNN
F 2 "" H 3450 4700 50  0000 C CNN
F 3 "" H 3450 4700 50  0000 C CNN
	1    3450 4700
	1    0    0    -1  
$EndComp
$Comp
814
L +8V #PWR10
815 816
U 1 1 5A27496B
P 4050 4000
817
F 0 "#PWR10" H 4050 3850 50  0001 C CNN
818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835
F 1 "+8V" H 4050 4140 50  0000 C CNN
F 2 "" H 4050 4000 50  0000 C CNN
F 3 "" H 4050 4000 50  0000 C CNN
	1    4050 4000
	1    0    0    -1  
$EndComp
$Comp
L -8V #PWR4
U 1 1 5A27496C
P 3450 4300
F 0 "#PWR4" H 3450 4400 50  0001 C CNN
F 1 "-8V" H 3450 4450 50  0000 C CNN
F 2 "" H 3450 4300 50  0000 C CNN
F 3 "" H 3450 4300 50  0000 C CNN
	1    3450 4300
	1    0    0    -1  
$EndComp
$Comp
836
L PWR_FLAG #FLG1
837 838
U 1 1 5A27496D
P 3450 3950
839
F 0 "#FLG1" H 3450 4045 50  0001 C CNN
840 841 842 843 844 845 846
F 1 "PWR_FLAG" H 3450 4130 50  0000 C CNN
F 2 "" H 3450 3950 50  0000 C CNN
F 3 "" H 3450 3950 50  0000 C CNN
	1    3450 3950
	1    0    0    -1  
$EndComp
$Comp
847
L PWR_FLAG #FLG2
848 849
U 1 1 5A27496E
P 3750 4300
850
F 0 "#FLG2" H 3750 4395 50  0001 C CNN
851 852 853 854 855 856 857
F 1 "PWR_FLAG" H 3750 4480 50  0000 C CNN
F 2 "" H 3750 4300 50  0000 C CNN
F 3 "" H 3750 4300 50  0000 C CNN
	1    3750 4300
	1    0    0    -1  
$EndComp
$Comp
858
L PWR_FLAG #FLG3
859 860
U 1 1 5A27496F
P 3750 4700
861
F 0 "#FLG3" H 3750 4795 50  0001 C CNN
862 863 864 865 866 867 868 869 870 871 872
F 1 "PWR_FLAG" H 3750 4880 50  0000 C CNN
F 2 "" H 3750 4700 50  0000 C CNN
F 3 "" H 3750 4700 50  0000 C CNN
	1    3750 4700
	1    0    0    1   
$EndComp
Text Notes 2850 5100 0    60   ~ 0
POWER - Symmetric 8V\n
Text Notes 6100 5650 0    60   ~ 0
Saturation Indicator
Text Notes 3300 3100 0    60   ~ 0
873 874 875
Ideal Rectifier
Text Notes 1650 2950 0    60   ~ 0
I to V Converter\n
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
Wire Wire Line
	1550 2150 3100 2150
Wire Wire Line
	2350 2150 2350 2200
Wire Wire Line
	2050 2150 2050 2200
Connection ~ 2350 2150
Connection ~ 2050 2150
Wire Wire Line
	1400 2350 1400 2550
Wire Wire Line
	1400 2550 2350 2550
Wire Wire Line
	2350 2550 2350 2500
Wire Wire Line
	2050 2500 2050 2600
Connection ~ 2050 2550
Wire Wire Line
	3400 2150 3500 2150
Wire Wire Line
	4100 2250 4200 2250
Wire Wire Line
	4400 2250 4650 2250
Wire Wire Line
	3950 1500 4150 1500
Wire Wire Line
	4150 1500 4150 2250
Connection ~ 4150 2250
Wire Wire Line
	3750 1500 3450 1500
Wire Wire Line
	3450 1300 3450 2150
Connection ~ 3450 2150
Wire Wire Line
	4950 2250 5450 2250
Wire Wire Line
	5000 1600 5000 2900
Wire Wire Line
	3000 2900 3000 2150
Connection ~ 3000 2150
Wire Wire Line
	4000 1300 4450 1300
Wire Wire Line
	4450 1300 4450 2250
Connection ~ 4450 2250
Wire Wire Line
	3700 1300 3450 1300
Connection ~ 3450 1500
Wire Wire Line
	3450 2400 3450 2350
Wire Wire Line
	3450 2350 3500 2350
Wire Wire Line
	3700 1850 3700 1950
Wire Wire Line
	3700 1900 3750 1900
Connection ~ 3700 1900
Connection ~ 5000 2250
Wire Wire Line
	5000 1600 5300 1600
Wire Wire Line
	5300 1800 5000 1800
Connection ~ 5000 1800
Wire Wire Line
	5600 1800 5700 1800
Wire Wire Line
	5600 1600 6150 1600
Wire Wire Line
	5850 1600 5850 1650
Wire Wire Line
	6150 1600 6150 2350
Wire Wire Line
948
	6050 2350 7050 2350
949 950 951 952 953 954
Connection ~ 5850 1600
Wire Wire Line
	6000 1800 6150 1800
Connection ~ 6150 1800
Connection ~ 6150 2350
Wire Wire Line
955
	7350 2350 8000 2350
956
Wire Wire Line
957
	7400 2350 7400 2400
958
Wire Wire Line
959 960
	7600 2350 7600 2400
Connection ~ 7400 2350
961
Wire Wire Line
962
	7400 2700 7400 2750
963
Wire Wire Line
964
	7400 2750 7600 2750
965
Wire Wire Line
966
	7600 2750 7600 2700
967
Wire Wire Line
968 969 970
	7500 2800 7500 2750
Connection ~ 7500 2750
Connection ~ 7600 2350
971 972 973 974 975
Wire Wire Line
	5400 2500 5400 2450
Wire Wire Line
	5400 2450 5450 2450
Wire Wire Line
976
	8050 3400 8100 3400
977
Wire Wire Line
978
	8050 3100 8050 3400
979
Wire Wire Line
980
	8050 3100 8100 3100
981
Wire Wire Line
982
	7850 3250 8050 3250
983
Wire Wire Line
984
	7900 2550 7900 3250
985
Wire Wire Line
986 987
	7900 2550 8000 2550
Connection ~ 8050 3250
988
Wire Wire Line
989
	8400 3100 8450 3100
990
Wire Wire Line
991
	8450 3100 8450 3400
992
Wire Wire Line
993 994
	8450 3400 8400 3400
Connection ~ 8450 3250
995
Wire Wire Line
996
	8450 3250 8650 3250
997
Wire Wire Line
998
	8650 2450 8650 3900
999
Wire Wire Line
1000
	9000 2450 9450 2450
1001
Wire Wire Line
1002 1003
	9050 2450 9050 2500
Connection ~ 9050 2450
1004
Wire Wire Line
1005
	9050 2700 9050 2800
1006
Wire Wire Line
1007
	9050 2750 9600 2750
1008
Wire Wire Line
1009 1010
	9600 2750 9600 2650
Connection ~ 9050 2750
1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027
Wire Wire Line
	3700 2600 3750 2600
Connection ~ 3700 2600
Wire Wire Line
	3700 2550 3700 2650
Wire Wire Line
	5300 4450 5300 4500
Wire Wire Line
	5300 4500 5400 4500
Wire Wire Line
	5600 4200 5650 4200
Connection ~ 5600 4200
Wire Wire Line
	5600 4150 5600 4300
Wire Wire Line
	5300 4150 5300 3900
Wire Wire Line
1028
	5300 3900 8650 3900
1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108
Wire Wire Line
	5650 4950 5600 4950
Wire Wire Line
	5600 4900 5600 5000
Connection ~ 5600 4950
Wire Wire Line
	5000 4650 5000 4750
Wire Wire Line
	5000 4700 5400 4700
Connection ~ 5000 4700
Wire Wire Line
	5900 5350 6100 5350
Wire Wire Line
	6100 5350 6100 4600
Wire Wire Line
	6000 4600 8000 4600
Wire Wire Line
	5600 5350 5700 5350
Wire Wire Line
	5300 5350 5250 5350
Wire Wire Line
	5250 5350 5250 4700
Connection ~ 5250 4700
Connection ~ 6100 4600
Wire Wire Line
	8000 4200 8000 4150
Wire Wire Line
	8000 4150 7950 4150
Wire Wire Line
	7600 4100 7600 4150
Wire Wire Line
	7600 4150 7650 4150
Wire Wire Line
	5550 6300 5450 6300
Wire Wire Line
	5450 6300 5450 6550
Wire Wire Line
	5450 6500 5550 6500
Connection ~ 5450 6500
Wire Wire Line
	3450 4300 3450 4400
Wire Wire Line
	3300 4350 3750 4350
Wire Wire Line
	4050 4000 4050 4400
Wire Wire Line
	3300 4050 4050 4050
Wire Wire Line
	3450 4600 3450 4700
Wire Wire Line
	3000 4650 4050 4650
Wire Wire Line
	4050 4650 4050 4600
Connection ~ 3450 4650
Connection ~ 4050 4050
Wire Wire Line
	3450 3950 3450 4050
Connection ~ 3450 4050
Wire Wire Line
	3750 4350 3750 4300
Connection ~ 3450 4350
Wire Wire Line
	3750 4700 3750 4650
Connection ~ 3750 4650
Wire Notes Line
	2550 5200 4250 5200
Wire Notes Line
	4250 5200 4250 3650
Wire Notes Line
	4250 3650 2550 3650
Wire Notes Line
	2550 3650 2550 5200
Wire Notes Line
	4850 3800 8250 3800
Wire Notes Line
	8250 3800 8250 5700
Wire Notes Line
	8250 5700 4850 5700
Wire Notes Line
	4850 5700 4850 3800
1109
Connection ~ 8650 3250
1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131
Wire Notes Line
	1550 1950 1550 3000
Wire Notes Line
	1550 3000 2500 3000
Wire Notes Line
	2500 3000 2500 1950
Wire Notes Line
	2500 1950 1550 1950
Wire Notes Line
	2750 1100 2750 3150
Wire Notes Line
	4650 1350 6350 1350
Wire Notes Line
	2750 3150 4600 3150
Wire Notes Line
	4600 3150 4600 1100
Wire Notes Line
	4600 1100 2750 1100
Wire Notes Line
	4650 1350 4650 3150
Wire Notes Line
	4650 3150 6350 3150
1132 1133
Text Notes 5100 3100 0    60   ~ 0
Simple Integrator\n
1134
$Comp
1135
L R R16
1136
U 1 1 5A278213
1137 1138 1139 1140 1141 1142
P 7700 3250
F 0 "R16" V 7780 3250 50  0000 C CNN
F 1 "2k7" V 7700 3250 50  0000 C CNN
F 2 "" V 7630 3250 50  0000 C CNN
F 3 "" H 7700 3250 50  0000 C CNN
	1    7700 3250
1143 1144 1145 1146 1147
	0    1    1    0   
$EndComp
$Comp
L POT RV2
U 1 1 5A278290
1148 1149 1150 1151 1152 1153
P 7400 3250
F 0 "RV2" H 7400 3170 50  0000 C CNN
F 1 "50k" H 7400 3250 50  0000 C CNN
F 2 "" H 7400 3250 50  0000 C CNN
F 3 "" H 7400 3250 50  0000 C CNN
	1    7400 3250
1154 1155 1156
	1    0    0    -1  
$EndComp
Wire Wire Line
1157 1158
	7400 3100 7400 3050
Connection ~ 7900 3250
1159
$Comp
1160
L CONN_01X02 P5
1161
U 1 1 5A278F5F
1162 1163 1164 1165 1166 1167
P 7050 2950
F 0 "P5" H 7050 3100 50  0000 C CNN
F 1 "GAIN_ADJ." V 7150 2950 50  0000 C CNN
F 2 "" H 7050 2950 50  0000 C CNN
F 3 "" H 7050 2950 50  0000 C CNN
	1    7050 2950
1168 1169 1170
	0    1    -1   0   
$EndComp
$Comp
1171
L GND #PWR19
1172
U 1 1 5A279C98
1173 1174 1175 1176 1177 1178
P 6950 3250
F 0 "#PWR19" H 6950 3000 50  0001 C CNN
F 1 "GND" H 6950 3100 50  0000 C CNN
F 2 "" H 6950 3250 50  0000 C CNN
F 3 "" H 6950 3250 50  0000 C CNN
	1    6950 3250
1179 1180 1181
	0    1    1    0   
$EndComp
Wire Wire Line
1182
	7100 3150 7100 3250
1183
Wire Wire Line
1184
	7100 3250 7250 3250
1185
Wire Wire Line
1186
	6950 3250 7000 3250
1187
Wire Wire Line
1188 1189 1190
	7000 3250 7000 3150
Text Notes 7750 3600 0    60   ~ 0
1-10x Amplifier\n
1191
Wire Notes Line
1192
	6700 1950 6700 3650
1193
Wire Notes Line
1194
	6700 3650 9250 3650
1195
Wire Notes Line
1196
	9250 3650 9250 1950
1197
Wire Notes Line
1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215
	9250 1950 6700 1950
NoConn ~ 8600 2250
NoConn ~ 8600 2350
NoConn ~ 8600 2550
Wire Wire Line
	8600 2450 8700 2450
Connection ~ 8650 2450
$Comp
L R R7
U 1 1 5A2EF897
P 4100 2900
F 0 "R7" V 4180 2900 50  0000 C CNN
F 1 "20k" V 4100 2900 50  0000 C CNN
F 2 "" V 4030 2900 50  0000 C CNN
F 3 "" H 4100 2900 50  0000 C CNN
	1    4100 2900
	0    1    1    0   
$EndComp
1216
Wire Wire Line
1217 1218 1219 1220 1221 1222 1223 1224 1225 1226
	3950 2900 3000 2900
Wire Wire Line
	5000 2900 4250 2900
Wire Wire Line
	7400 3050 7200 3050
Wire Wire Line
	7200 3050 7200 3250
Connection ~ 7200 3250
Wire Notes Line
	6350 3150 6350 1350
1227
$EndSCHEMATC