* SPICE netlist
D1 N003 N004 1N914
D2 N008 N007 1N914
D3 N006 N008 1N914
D4 N004 N002 1N914
V1 Vcc 0 5V
R1 N002 LO 10k
R2 N002 0 10k
R3 N006 LO 10k
R4 N007 N006 10k
R5 N003 N002 10k
R6 N001 N003 10k
R7 N001 N007 10k
R8 IF N001 20k
R9 N001 0 20k
R10 N001 LO 20k
V2 N005 0 SINE(0 1 42000)
V3 LO 0 PULSE(-2.0 2.0 0 1e-16 1e-16 10e-6 20e-6 500)
R11 N001 LO 20k
V4 Vdd 0 -5V
XU4 0 N002 Vcc Vdd N004 LM6132B/NS ;pnba In+)In-)V+)V-)OUT
XU1 0 N006 Vcc Vdd N008 LM6132B/NS ;pnba In+)In-)V+)V-)OUT
XU2 0 N001 Vcc Vdd IF LM6132B/NS ;pnba In+)In-)V+)V-)OUT
.tran 0.0001
.include LM6132B.MOD

* LTspice schematic (.asc)
Version 4
SHEET 1 1968 1072
WIRE -232 -520 -280 -520
WIRE 552 -520 -152 -520
WIRE 280 -440 -88 -440
WIRE 392 -440 360 -440
WIRE -840 -408 -840 -424
WIRE -840 -376 -840 -408
WIRE -360 -312 -392 -312
WIRE -280 -312 -280 -520
WIRE -280 -312 -360 -312
WIRE -184 -312 -280 -312
WIRE -88 -312 -88 -440
WIRE -88 -312 -104 -312
WIRE -40 -312 -88 -312
WIRE 8 -312 -40 -312
WIRE 104 -312 72 -312
WIRE -632 -296 -632 -312
WIRE 40 -216 40 -232
WIRE 40 -200 40 -216
WIRE -392 -184 -472 -184
WIRE -280 -184 -392 -184
WIRE -184 -184 -280 -184
WIRE -40 -184 -40 -312
WIRE -40 -184 -104 -184
WIRE 8 -184 -40 -184
WIRE -984 -168 -984 -200
WIRE 104 -168 104 -312
WIRE 104 -168 72 -168
WIRE 296 -168 104 -168
WIRE 392 -168 392 -440
WIRE 392 -168 360 -168
WIRE 440 -168 392 -168
WIRE 552 -168 552 -520
WIRE 552 -168 520 -168
WIRE 8 -152 -24 -152
WIRE -984 -136 -984 -168
WIRE -472 -120 -472 -184
WIRE -24 -120 -24 -152
WIRE 40 -120 40 -136
WIRE 40 -104 40 -120
WIRE 824 -88 696 -88
WIRE 936 -88 904 -88
WIRE -280 -56 -280 -184
WIRE -184 -56 -280 -56
WIRE 552 -56 552 -168
WIRE 552 -56 -104 -56
WIRE 776 -8 776 -24
WIRE 776 24 776 -8
WIRE 552 40 552 -56
WIRE 696 40 696 -88
WIRE 696 40 552 40
WIRE 744 40 696 40
WIRE 936 56 936 -88
WIRE 936 56 808 56
WIRE 984 56 936 56
WIRE 296 72 -40 72
WIRE 408 72 376 72
WIRE 744 72 712 72
WIRE 712 88 712 72
WIRE 776 120 776 88
WIRE 776 136 776 120
WIRE -40 216 -40 72
WIRE 8 216 -40 216
WIRE 120 216 72 216
WIRE 40 328 40 296
WIRE 40 344 40 328
WIRE -280 360 -280 -56
WIRE -184 360 -280 360
WIRE -40 360 -40 216
WIRE -40 360 -104 360
WIRE 8 360 -40 360
WIRE 120 376 120 216
WIRE 120 376 72 376
WIRE 296 376 120 376
WIRE 408 376 408 72
WIRE 408 376 360 376
WIRE 440 376 408 376
WIRE 552 376 552 40
WIRE 552 376 520 376
WIRE 8 392 -40 392
WIRE -40 424 -40 392
WIRE 40 456 40 408
WIRE 40 472 40 456
WIRE -280 536 -280 360
WIRE 40 536 -280 536
WIRE 552 536 552 376
WIRE 552 536 120 536
FLAG -840 -296 0
FLAG -840 -408 Vcc
FLAG 40 -216 Vcc
FLAG 40 328 Vcc
FLAG 776 -8 Vcc
FLAG -24 -120 0
FLAG -40 424 0
FLAG 712 88 0
FLAG -392 -312 HF
FLAG -392 -184 LO
FLAG 984 56 IF
FLAG -472 -40 0
FLAG -632 -216 0
FLAG -984 -56 0
FLAG -984 -168 Vdd
FLAG 40 -120 Vdd
FLAG 40 456 Vdd
FLAG 776 120 Vdd
FLAG -360 -312 0
SYMBOL diode 360 -184 R90
SYMATTR InstName D1
SYMATTR Value 1N914
SYMBOL diode 296 392 R270
SYMATTR InstName D2
SYMATTR Value 1N914
SYMBOL diode 8 232 R270
SYMATTR InstName D3
SYMATTR Value 1N914
SYMBOL diode 72 -328 R90
SYMATTR InstName D4
SYMATTR Value 1N914
SYMBOL voltage -840 -392 R0
SYMATTR InstName V1
SYMATTR Value 5V
SYMBOL res -88 -200 R90
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -88 -328 R90
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res -88 344 R90
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 392 56 R90
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 376 -456 R90
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 536 -184 R90
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL res 536 360 R90
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res 920 -104 R90
SYMATTR InstName R8
SYMATTR Value 20k
SYMBOL res -136 -536 R90
SYMATTR InstName R9
SYMATTR Value 20k
SYMBOL res -88 -72 R90
SYMATTR InstName R10
SYMATTR Value 20k
SYMBOL voltage -632 -312 R0
SYMATTR Value SINE(0 1 42000)
SYMATTR InstName V2
SYMBOL voltage -472 -136 R0
SYMATTR Value PULSE(-2.0 2.0 0 1e-16 1e-16 10e-6 20e-6 500)
SYMATTR InstName V3
SYMBOL res 136 520 R90
SYMATTR InstName R11
SYMATTR Value 20k
SYMBOL voltage -984 -152 R0
SYMATTR InstName V4
SYMATTR Value -5V
SYMBOL Opamps\\opamp2 40 -232 R0
SYMATTR InstName U4
SYMATTR Value LM6132B/NS
SYMBOL Opamps\\opamp2 40 312 R0
SYMATTR InstName U1
SYMATTR Value LM6132B/NS
SYMBOL Opamps\\opamp2 776 -8 R0
SYMATTR InstName U2
SYMATTR Value LM6132B/NS