Version 4
SHEET 1 1636 768
WIRE -624 -608 -688 -608
WIRE -496 -608 -544 -608
WIRE -368 -608 -416 -608
WIRE 64 -592 0 -592
WIRE 224 -592 128 -592
WIRE -688 -560 -688 -608
WIRE 224 -544 224 -592
WIRE 288 -544 224 -544
WIRE 0 -496 0 -592
WIRE 64 -496 0 -496
WIRE 224 -496 224 -544
WIRE 224 -496 144 -496
WIRE -624 -448 -688 -448
WIRE -496 -448 -544 -448
WIRE -368 -448 -416 -448
WIRE 640 -448 576 -448
WIRE 832 -448 704 -448
WIRE -688 -400 -688 -448
WIRE -368 -400 -368 -448
WIRE 96 -384 96 -416
WIRE -48 -368 -80 -368
WIRE 0 -368 0 -496
WIRE 0 -368 -48 -368
WIRE 64 -368 0 -368
WIRE 272 -352 128 -352
WIRE 288 -352 288 -544
WIRE 288 -352 272 -352
WIRE 368 -352 288 -352
WIRE 576 -352 576 -448
WIRE 576 -352 448 -352
WIRE 640 -352 576 -352
WIRE 832 -352 832 -448
WIRE 832 -352 720 -352
WIRE 64 -336 0 -336
WIRE -368 -320 -368 -336
WIRE -688 -304 -688 -320
WIRE 0 -288 0 -336
WIRE 1280 -288 1280 -320
WIRE 1504 -288 1504 -320
WIRE 0 -272 0 -288
WIRE 96 -272 96 -320
WIRE 688 -224 688 -256
WIRE 576 -208 576 -352
WIRE 656 -208 576 -208
WIRE -624 -192 -688 -192
WIRE -496 -192 -544 -192
WIRE -368 -192 -416 -192
WIRE 832 -192 832 -352
WIRE 832 -192 720 -192
WIRE 1056 -192 832 -192
WIRE 1104 -192 1056 -192
WIRE 1280 -192 1280 -224
WIRE 1504 -192 1504 -224
WIRE 656 -176 576 -176
WIRE 1280 -176 1280 -192
WIRE 1504 -176 1504 -192
WIRE -688 -160 -688 -192
WIRE -368 -144 -368 -192
WIRE 688 -112 688 -160
WIRE 64 -96 0 -96
WIRE 224 -96 128 -96
WIRE -688 -64 -688 -80
WIRE 224 -48 224 -96
WIRE 288 -48 224 -48
WIRE 1280 -48 1280 -96
WIRE 1312 -48 1280 -48
WIRE 1504 -48 1504 -96
WIRE 1520 -48 1504 -48
WIRE 1536 -48 1520 -48
WIRE 0 0 0 -96
WIRE 64 0 0 0
WIRE 224 0 224 -48
WIRE 224 0 144 0
WIRE -560 32 -640 32
WIRE -416 32 -496 32
WIRE -640 96 -640 32
WIRE -416 96 -416 32
WIRE 96 112 96 80
WIRE -640 128 -640 96
WIRE -416 128 -416 96
WIRE -48 128 -80 128
WIRE 0 128 0 0
WIRE 0 128 -48 128
WIRE 64 128 0 128
WIRE -528 144 -592 144
WIRE -464 144 -528 144
WIRE 272 144 128 144
WIRE 288 144 288 -48
WIRE 288 144 272 144
WIRE 368 144 288 144
WIRE 576 144 576 -176
WIRE 576 144 448 144
WIRE 640 144 576 144
WIRE 768 144 720 144
WIRE 832 144 768 144
WIRE 64 160 0 160
WIRE 0 192 0 160
WIRE 0 224 0 192
WIRE 96 224 96 176
WIRE -640 240 -640 208
WIRE -592 240 -592 192
WIRE -592 240 -640 240
WIRE -528 240 -528 224
WIRE -528 240 -592 240
WIRE -464 240 -464 192
WIRE -464 240 -528 240
WIRE -416 240 -416 208
WIRE -416 240 -464 240
WIRE -368 240 -416 240
WIRE 576 256 576 144
WIRE 640 256 576 256
WIRE 768 256 768 144
WIRE 768 256 704 256
FLAG 0 -288 gndi
FLAG 0 192 gndi
FLAG -688 -304 gndi
FLAG -688 -64 gndi
FLAG -368 -320 gndi
FLAG -368 -80 gndi
FLAG -640 96 in_n
FLAG -416 96 in_p
FLAG -368 -448 vcc
FLAG -368 -192 vee
FLAG -688 -560 0
FLAG -368 -608 gndi
FLAG 96 -416 vcc
FLAG 96 80 vcc
FLAG 96 224 vee
FLAG 96 -272 vee
FLAG -48 -368 in_p
FLAG -48 128 in_n
FLAG 272 -352 out_p
FLAG 272 144 out_n
FLAG -368 240 gndi
FLAG 688 -256 vcc
FLAG 688 -112 vee
FLAG 1056 -192 out
FLAG 832 144 gndi
FLAG 1392 -48 0
FLAG 1280 -48 0
FLAG 1280 -192 0
FLAG 1280 -288 0
FLAG 1504 -288 0
FLAG 1504 -192 0
FLAG 1520 -48 0
FLAG 1616 -48 0
SYMBOL OpAmps\\opamp2 96 -416 R0
SYMATTR InstName U1
SYMATTR Value OPA1611
SYMBOL res 160 -512 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R1
SYMATTR Value {R1}
SYMBOL cap 128 -608 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value {C1}
SYMBOL cap -384 -400 R0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL cap -384 -144 R0
SYMATTR InstName C4
SYMATTR Value 100n
SYMBOL voltage -688 -176 R0
SYMATTR InstName V1
SYMATTR Value -4
SYMBOL voltage -688 -416 R0
SYMATTR InstName V2
SYMATTR Value 4
SYMBOL OpAmps\\opamp2 96 80 R0
SYMATTR InstName U2
SYMATTR Value OPA1611
SYMBOL res 160 -16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R2
SYMATTR Value {R1}
SYMBOL cap 128 -112 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value {C1}
SYMBOL g -416 112 R0
SYMATTR InstName G1
SYMATTR Value 0.5
SYMBOL g -640 112 M0
SYMATTR InstName G2
SYMATTR Value -0.5
SYMBOL voltage -528 128 R0
WINDOW 0 11 -31 Left 2
WINDOW 3 -77 144 Left 2
WINDOW 123 -77 172 Left 2
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value SINE(0 7.8m 1k)
SYMATTR Value2 AC 1
SYMBOL res -528 -464 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R3
SYMATTR Value {Rp}
SYMBOL ind -512 -432 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value {Lp}
SYMBOL res -528 -208 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R4
SYMATTR Value {Rp}
SYMBOL ind -512 -176 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value {Lp}
SYMBOL res -528 -624 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R5
SYMATTR Value {Rp}
SYMBOL ind -512 -592 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value {Lp}
SYMBOL res 736 -368 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R6
SYMATTR Value {Rbuf}
SYMBOL res 736 128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R7
SYMATTR Value {Rbuf}
SYMBOL res 464 -368 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R8
SYMATTR Value {Rbuf}
SYMBOL res 464 128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R9
SYMATTR Value {Rbuf}
SYMBOL cap 704 240 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value {C2}
SYMBOL cap 704 -464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value {C2}
SYMBOL OpAmps\\opamp2 688 -256 R0
SYMATTR InstName U3
SYMATTR Value OPA1622
SYMBOL res 1632 -64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL res 1520 -80 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R11
SYMATTR Value 100
SYMBOL cap 1488 -288 R0
WINDOW 0 26 8 Left 2
SYMATTR InstName C7
SYMATTR Value 100p
SYMBOL res 1408 -64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL res 1296 -80 R180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R13
SYMATTR Value 100
SYMBOL cap 1264 -288 R0
SYMATTR InstName C8
SYMATTR Value 100p
SYMBOL cap -496 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C9
SYMATTR Value 220p
TEXT -696 480 Left 2 !.lib OPA1611.lib
TEXT -696 528 Left 2 !.lib OPA1622.lib
TEXT -704 400 Left 2 !.param Rp 0.2
TEXT -704 432 Left 2 !.param Lp 3n
TEXT -696 352 Left 2 !.tran 0 1m 0 1u
TEXT -464 352 Left 2 ;.ac dec 100 10 100G
TEXT -472 400 Left 2 !.param Rbuf 360
TEXT -232 408 Left 2 !.param C2 2.7n
TEXT -464 448 Left 2 !.param R1 820
TEXT -224 448 Left 2 !.param C1 2.2n