$ 1 32 0.000125 0 5 50 Auto 2400 2048 true

174 160 96 160 160 0 100000 0.412 Resistance
> Coarse
r 256 128 320 128 0 100000 0.25
> R1
R 160 192 160 256 0 0 1 -12 0 0 0.5 
> -12V
R 384 640 384 576 0 0 1 12 0 0 0.5 
> +12V
w 160 160 160 192 0 0 0 0 0
w 192 128 256 128 0 0 0 0 0
g 64 96 64 160 0
w 160 96 160 64 0 0 0 0 0
w 160 64 64 64 0 0 0 0 0
w 64 64 64 96 0 0 0 0 0
174 160 352 160 416 0 100000 0.483 Resistance
> Fine
r 256 384 320 384 0 1000000 0.25
> R2
R 160 448 160 512 0 0 1 -12 0 0 0.5 
> V1
w 160 416 160 448 0 0 0 0 0
w 192 384 256 384 0 0 0 0 0
g 64 352 64 416 0
w 160 352 160 320 0 0 0 0 0
w 160 320 64 320 0 0 0 0 0
w 64 320 64 352 0 0 0 0 0
w 320 384 384 384 0 0 0 0 0
w 384 384 384 128 0 0 0 0 0
w 384 128 320 128 0 0 0 0 0
t 320 832 384 832 0 -1 0 0 170
> Q1
t 416 768 480 768 0 1 0 0 170
> Q2
r 384 672 384 736 0 1000000 2
> R3
R 384 896 384 960 0 0 1 -12 0 0 0.5 
> V3
g 480 896 480 928 0
w 384 800 384 768 0 0 0 0 0
w 384 768 384 736 0 0 0 0 0
w 416 768 384 768 0 0 0 0 0
w 384 672 384 640 0 0 0 0 0
w 384 896 384 864 0 0 0 0 0
w 256 512 256 832 0 0 0 0 0
w 256 832 320 832 0 0 0 0 0
w 256 512 384 512 0 0 0 0 0
w 384 512 384 384 0 0 0 0 0
w 480 896 480 800 0 0 0 0 0
r 256 864 256 928 0 2000 2
> R4
g 256 960 256 992 0
w 256 928 256 960 0 0 0 0 0
w 256 864 256 832 0 0 0 0 0
c 576 736 576 800 8 6.6E-11 16 0.001
> C1
w 576 800 576 896 0 0 0 0 0
w 576 896 480 896 0 0 0 0 0
a 640 384 768 384 1 12 -12 1000000
> TL074-A
w 576 672 576 640 0 0 0 0 0
d 704 544 640 544 3 10 2.5E-08
> D1
I 640 640 736 640 8 2 12 1 10 1.66 12 0
> 40106-A
w 576 672 576 736 0 0 0 0 0
w 576 544 640 544 0 0 0 0 0
w 576 672 480 672 0 0 0 0 0
w 480 672 480 736 0 0 0 0 0
w 576 640 576 544 0 0 0 0 0
c 800 384 864 384 8 5E-07 16 0.001
> C2
r 896 416 896 480 0 100000 0.25
> R5
g 896 512 896 576 0
w 896 416 896 384 0 0 0 0 0
w 896 480 896 512 0 0 0 0 0
a 1024 416 1152 416 1 12 -12 1000000
> TL074-B
w 640 352 576 352 0 0 0 0 0
w 576 352 576 544 0 0 0 0 0
r 1088 544 1152 544 0 200000 0.25
> R6
174 1056 576 1056 640 0 100000 0.528 Resistance
> Pulse
g 1056 704 1056 768 0
d 1216 416 1280 416 3 10 2.5E-08
> D2
w 1056 640 1056 672 0 0 0 0 0
w 1088 544 1056 544 0 0 0 0 0
w 1184 416 1184 544 0 0 0 0 0
w 1184 544 1152 544 0 0 0 0 0
w 1056 576 1056 544 0 0 0 0 0
w 1056 672 1056 704 0 0 0 0 0
w 1088 608 1120 608 0 0 0 0 0
w 1120 608 1120 672 0 0 0 0 0
w 1120 672 1056 672 0 0 0 0 0
w 1152 416 1184 416 0 0 0 0 0
w 1024 448 992 448 0 0 0 0 0
w 992 448 992 544 0 0 0 0 0
w 992 544 1056 544 0 0 0 0 0
w 1024 384 896 384 0 0 0 0 0
r 1312 480 1312 544 0 100000 0.25
> R7
w 1312 544 1312 576 0 0 0 0 0
g 1312 576 1312 640 0
I 1344 416 1440 416 8 2 12 1 7.27272727272 1.66 12 0
> 40106-B
c 1472 416 1536 416 8 1E-06 16 0.001
> C3
r 1568 480 1568 544 0 100000 0.25
> R8
w 1568 544 1568 576 0 0 0 0 0
g 1568 576 1568 640 0
r 1728 480 1728 544 0 100000 0.25
> R9
w 1728 544 1728 576 0 0 0 0 0
g 1728 576 1728 640 0
r 1600 416 1664 416 0 20000 0.25
> R10
w 1536 416 1568 416 0 0 0 0 0
w 1440 416 1472 416 0 0 0 0 0
w 1312 416 1344 416 0 0 0 0 0
w 1312 480 1312 416 0 0 0 0 0
w 1568 480 1568 416 0 0 0 0 0
w 1600 416 1568 416 0 0 0 0 0
e 1856 416 1856 480 0 0 false
> S1
g 1824 576 1824 640 0
a 1024 96 1152 96 1 12 -12 1000000
> TL074-C
r 1344 96 1408 96 0 20000 0.25
> R11
r 1152 192 1216 192 0 100000 0.25
> R12
r 1088 256 1088 192 0 33000 0.25
> R13
g 1088 256 1088 320 0
w 1024 128 992 128 0 0 0 0 0
w 992 128 992 192 0 0 0 0 0
w 992 192 1088 192 0 0 0 0 0
w 1152 192 1088 192 0 0 0 0 0
w 1152 96 1248 96 0 0 0 0 0
w 1216 192 1248 192 0 0 0 0 0
w 1248 192 1248 96 0 0 0 0 0
g 1856 224 1856 288 0
w 1024 64 896 64 0 0 0 0 0
w 896 64 896 384 0 0 0 0 0
w 800 384 768 384 0 0 0 0 0
w 864 384 896 384 0 0 0 0 0
w 640 640 576 640 0 0 0 0 0
w 736 640 768 640 0 0 0 0 0
w 768 640 768 544 0 0 0 0 0
w 768 544 704 544 0 0 0 0 0
w 608 480 608 416 0 0 0 0 0
w 608 416 640 416 0 0 0 0 0
w 608 480 800 480 0 0 0 0 0
w 800 480 800 384 0 0 0 0 0
w 1216 416 1184 416 0 0 0 0 0
w 1280 416 1312 416 0 0 0 0 0
w 1728 416 1728 480 0 0 0 0 0
w 1728 416 1664 416 0 0 0 0 0
w 1856 416 1728 416 2 0 0 0 0
> Square out
w 1824 480 1856 480 0 0 0 0 0
w 1824 480 1824 576 0 0 0 0 0
w 1344 96 1248 96 0 0 0 0 0
e 1920 96 1920 160 0 0 false
E 2176 96 2176 160 0 75 2 2.192
w 2176 160 2048 160 0 0 0 0 0
w 1920 32 2176 32 0 0 0 0 0
w 1920 32 1920 96 0 0 0 0 0
w 2176 32 2176 96 0 0 0 0 0
w 1920 32 1888 32 0 0 0 0 0
w 1888 32 1888 96 0 0 0 0 0
w 1920 160 1856 160 0 0 0 0 0
w 1408 96 1888 96 0 0 0 0 0
w 1856 160 1856 224 0 0 0 0 0
o 0 0 0 0 3 1 0.0187500000000895 1 -5 5 E128.2 1&TriggerLevel=-1.33764743886846&TriggerEvent=1 E135.2 0