* Z:\home\khalils\Downloads\files\data\raw_asc\6857a8f3b829_Draft1.asc
* Generated by LTspice 26.0.1 for Windows.
* Library below included based on ModelFile attribute of instance XU1, XU2, XU3, XU4 (C:\users\khalils\AppData\Local\LTspice\lib\sym\OpAmps\OP177A.asy)
V1 V+ V- 15
C7 0 V- 1n
XU1 0 N001 V+ V- N005 OP177A ;pnba In+)In-)V+)V-)OUT
R7 A-B N004 10k
XU3 0 N003 V+ V- N007 OP177A ;pnba In+)In-)V+)V-)OUT
XU2 0 N002 V+ V- N006 OP177A ;pnba In+)In-)V+)V-)OUT
R5 N007 N003 10k
C4 N006 N002 150p
C6 N007 N003 150p
C2 0 V- 1n
R2 N006 N002 10k
XU4 0 N004 V+ V- A-B OP177A ;pnba In+)In-)V+)V-)OUT
C8 A-B N004 150p
R1 N005 N001 10k
C5 0 V- 1n
C1 N005 N001 150p
R8 N004 N007 1k
R3 N002 N005 1k
C3 0 V- 1n
I1 0 N001 0 AC 2m
R6 N003 N006 1k
R4 N001 0 750Meg
.ac lin 30000 10 100000
.lib OP177A.lib
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 1132 680
WIRE 0 0 -16 0
WIRE 272 0 256 0
WIRE 592 16 576 16
WIRE 896 32 880 32
WIRE -16 96 -16 0
WIRE 64 96 64 0
WIRE 256 96 256 0
WIRE 336 96 336 0
WIRE 576 112 576 16
WIRE 656 112 656 16
WIRE 880 128 880 32
WIRE 960 128 960 32
WIRE -368 144 -368 96
WIRE -224 192 -224 80
WIRE -144 192 -144 80
WIRE -16 192 -16 96
WIRE -16 192 -144 192
WIRE 0 192 -16 192
WIRE 64 208 64 96
WIRE 128 208 64 208
WIRE 256 208 256 96
WIRE 256 208 208 208
WIRE 272 208 256 208
WIRE -32 224 -96 224
WIRE 0 224 -32 224
WIRE 336 224 336 96
WIRE 448 224 336 224
WIRE 576 224 576 112
WIRE 576 224 528 224
WIRE 592 224 576 224
WIRE -224 240 -224 192
WIRE 240 240 192 240
WIRE 272 240 240 240
WIRE 656 240 656 112
WIRE 752 240 656 240
WIRE 880 240 880 128
WIRE 880 240 832 240
WIRE 896 240 880 240
WIRE 560 256 512 256
WIRE 592 256 560 256
WIRE 960 256 960 128
WIRE 1072 256 960 256
WIRE -96 272 -96 224
WIRE -32 272 -32 224
WIRE 864 272 816 272
WIRE 896 272 864 272
WIRE -368 288 -368 224
WIRE 192 288 192 240
WIRE 240 288 240 240
WIRE 512 304 512 256
WIRE 560 304 560 256
WIRE 816 320 816 272
WIRE 864 320 864 272
SYMBOL current -224 192 R270
WINDOW 0 32 40 VTop 2
WINDOW 3 4 40 VTop 2
WINDOW 123 -24 40 VTop 2
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 0
SYMATTR Value2 AC 2m
SYMBOL res -128 64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 750Meg
SYMBOL voltage -368 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL cap -48 272 R0
SYMATTR InstName C2
SYMATTR Value 1n
SYMBOL cap 656 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 150p
SYMBOL OpAmps\\OP177A 304 160 R0
SYMATTR InstName U2
SYMBOL cap 848 320 R0
SYMATTR InstName C7
SYMATTR Value 1n
SYMBOL cap 336 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 150p
SYMBOL res 976 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL cap 224 288 R0
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL res 352 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL res 848 224 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 1k
SYMBOL res 80 80 R90
WINDOW 0 -1 51 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL OpAmps\\OP177A 928 192 R0
SYMATTR InstName U4
SYMBOL cap 960 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C8
SYMATTR Value 150p
SYMBOL cap 64 -16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 35 34 VTop 2
SYMATTR InstName C1
SYMATTR Value 150p
SYMBOL res 224 192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL OpAmps\\OP177A 624 176 R0
SYMATTR InstName U3
SYMBOL res 672 96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 544 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL cap 544 304 R0
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL OpAmps\\OP177A 32 144 R0
SYMATTR InstName U1
FLAG 192 288 0
FLAG 304 192 V+
FLAG 32 176 V+
FLAG 32 240 V-
FLAG -32 336 V-
FLAG 240 352 V-
FLAG 304 256 V-
FLAG -96 272 0
FLAG -224 240 0
FLAG -368 96 V+
FLAG -368 288 V-
FLAG 512 304 0
FLAG 624 208 V+
FLAG 560 368 V-
FLAG 624 272 V-
FLAG 816 320 0
FLAG 928 224 V+
FLAG 864 384 V-
FLAG 928 288 V-
FLAG 1072 256 A-B
TEXT -402 426 Left 2 !.ac lin 30000 10 100000