$ 129 32 1E-06 0 5 50 Black 6208 5632 false

t 1056 1152 1120 1152 0 1 0 0 100
t 1248 1152 1184 1152 0 1 0 0 100
t 1184 960 1120 960 0 -1 0 0 100
t 1248 1376 1152 1376 0 1 0 0 100
r 1152 1440 1152 1536 0 560
r 1184 800 1184 864 0 1500
w 1184 768 1184 800 1
r 1024 800 1024 864 0 270
w 1152 1184 1184 1184 0
w 1152 1184 1120 1184 0
w 1152 1344 1152 1216 0
w 1120 992 1120 1024 0
r 1280 1408 1280 1536 0 2000
c 1280 1216 1280 1280 8 0.0001
w 1120 1024 1120 1120 1
t 1472 960 1536 960 0 1 0 0 99
t 1696 992 1792 992 0 -1 0 0 100
r 1600 800 1600 864 0 100
w 1600 864 1600 928 2
w 1536 928 1600 928 1
c 1248 960 1312 960 8 2.2E-09
r 1184 960 1248 960 0 10
r 1376 800 1376 864 0 10000
w 1600 768 1600 800 0
w 1504 768 1600 768 512
r 1280 1152 1376 1152 0 33000
r 1408 1152 1472 1152 0 470
r 928 1152 992 1152 0 220
c 864 1152 736 1152 8 1E-05
w 1024 1152 1056 1152 0
w 1248 1152 1280 1152 0
c 1312 1088 1376 1088 8 2.2E-11
w 1280 1088 1280 1152 0
w 1312 1088 1280 1088 0
w 1376 1152 1408 1152 0
w 1376 1152 1376 1088 0
w 1280 1088 1024 1088 0
c 1024 1088 1024 1152 8 4.7E-11
w 992 1152 1024 1152 0
c 1024 1312 1024 1376 8 2.2E-10
w 1024 1376 1024 1568 0
w 1024 1312 1024 1280 0
d 1728 1408 1728 1472 1 0.805904783
d 1728 1472 1728 1536 1 0.805904783
t 1792 1376 1856 1376 0 1 0 0 100
w 1600 1376 1600 1280 0
d 1152 1216 1280 1216 1 0.805904783
w 1152 1216 1152 1184 0
w 1280 1216 1280 1152 0
r 1856 1440 1856 1504 0 220
w 1856 1600 1728 1600 0
w 1856 1344 1856 1024 0
t 2016 1280 2080 1280 0 1 0 0 100
w 2016 1280 1600 1280 0
r 2080 1376 2080 1504 0 220
w 2080 1312 2080 1376 0
r 736 1344 736 1440 0 100000
w 736 1440 736 1568 0
w 896 1568 1024 1568 3
z 2048 1152 2048 960 1 0.805904783 5.1
c 1952 1024 1952 1088 8 1E-05
t 2368 864 2432 864 0 1 0 0 10
t 2432 896 2496 896 0 1 0 0 1000
> Sanken NPN
t 2368 1312 2432 1312 0 -1 0 0 10
t 2432 1280 2496 1280 0 -1 0 0 1000
> Sanken PNP
d 2368 864 2368 928 1 0.72
r 2368 928 2368 1024 0 390
d 2368 1120 2368 1312 1 1.58
w 2432 1344 2496 1344 0
w 2496 1344 2496 1312 0
w 2496 864 2496 832 0
w 2496 832 2432 832 0
r 2496 928 2496 1056 0 0.22
r 2496 1120 2496 1248 512 0.22
w 2496 1088 2496 1120 3
w 2496 1568 2752 1568 513
w 2496 1568 2496 1344 0
w 2496 768 2496 832 0
w 640 1376 640 1568 0
w 640 1568 736 1568 0
w 1856 1600 2080 1600 0
w 2080 1600 2080 1504 0
R 1536 1600 1536 1664 0 0 1 -50 0 0 0.5 
w 1536 1600 1728 1600 0
R 1504 768 1504 704 0 0 1 50 0 0 0.5 
R 2752 768 2752 704 0 0 1 55 0 0 0.5 
w 2496 768 2752 768 515
R 2752 1568 2752 1664 0 0 1 -55 0 0 0.5 
174 2304 992 2304 928 0 330 0.369 Resistance
r 2144 864 2208 864 0 10
r 2144 1312 2208 1312 0 10
g 896 1568 896 1632 0
w 736 1568 896 1568 0
r 1056 1280 1120 1280 0 33000
w 1120 1280 1280 1280 0
w 1600 1376 1248 1376 0
r 1536 1120 1536 1248 0 130000
s 2368 1056 2368 1120 0 0 false
w 1152 1440 1152 1408 1
w 1152 1536 1152 1600 0
w 1152 1600 1536 1600 0
w 1856 1440 1856 1408 3
w 1856 1504 1856 1600 0
w 1024 864 1024 928 0
w 1024 928 1120 928 1
w 1024 800 1024 768 0
w 1024 768 1184 768 0
v 640 1376 640 1312 0 1 10000 0.5 0 0 0.5 
w 640 1312 640 1248 0
w 2368 1024 2368 1056 1
w 2496 1056 2496 1088 3
s 640 1184 640 1248 0 0 false
> SW1
s 2784 1120 2784 1184 0 0 false
> SW2
w 1728 1536 1728 1600 0
w 1728 1376 1600 1376 0
w 1728 1376 1728 1408 0
w 1728 1376 1792 1376 0
x 1664 1664 1696 1664 5 30 50V%2F2.9mA%20~%2017K%0A
w 864 1152 928 1152 0
w 736 1152 640 1152 0
w 640 1152 640 1184 0
w 736 1152 736 1344 0
x 2336 672 2432 704 5 20 Darlingtons%20have%20hfe%20%3E%202000%0A
w 1280 1408 1280 1280 0
w 1536 1248 1536 1280 0
w 1536 1280 1600 1280 1
w 1536 1120 1536 992 3
O 704 960 640 960 0 1
O 2720 960 2784 960 0 2
w 2304 1024 2368 1024 0
w 2304 928 2368 928 0
w 2304 1024 2240 1024 0
w 2240 960 2240 1024 0
w 2240 960 2272 960 0
w 2304 1024 2304 992 0
x 2240 1056 2272 1024 21 10 critical%20bias
w 704 960 736 960 0
w 736 960 736 1152 0
w 1024 1280 1024 1152 0
w 1024 1280 1056 1280 0
w 2048 960 2048 928 0
w 2048 928 1856 928 0
w 1856 928 1856 1024 0
w 2048 1152 1952 1152 0
w 1952 1152 1952 1088 0
w 2048 960 1952 960 0
w 1952 960 1952 1024 0
w 2144 1216 2080 1216 0
w 2080 1216 2080 1248 0
w 2144 1216 2144 1152 0
w 2144 1152 2048 1152 0
w 1344 864 1344 960 0
w 1376 768 1184 768 0
w 1376 768 1504 768 0
w 1376 768 1376 800 1
w 1184 960 1184 864 0
w 1184 960 1184 1120 0
x 1664 768 1696 768 21 20 open%20SW1%20and%20SW2%20then%20wait%20to%20see%20quiescent%20values
w 1280 1568 1280 1536 0
w 1280 1568 1024 1568 0
w 2144 1312 2144 1216 0
w 2208 1312 2368 1312 3
w 2144 864 2144 960 0
w 2208 864 2368 864 3
w 2144 960 2048 960 0
x 1184 672 1216 672 5 20 Notes%3A%20%20Gain%20~%2033k%2F2k.%20No%20audio%20output%20%28heard%29%20however%20works%20well%20in%20simulation.
w 2592 1088 2496 1088 0
w 2592 1088 2720 1088 0
w 2592 1088 2592 1376 0
w 2592 1376 2112 1376 0
w 2112 1376 2112 1344 0
w 2112 1344 1888 1344 0
w 1888 1344 1888 1312 0
w 1888 1312 1504 1312 0
w 1504 1312 1504 1152 0
w 1504 1152 1472 1152 0
w 2784 1088 2784 1120 0
w 2720 1088 2720 960 0
w 2720 1088 2784 1088 0
r 2880 1312 2880 1376 0 4
E 2784 1312 2784 1376 0 4
w 2784 1312 2784 1184 0
w 2784 1376 2784 1536 0
w 2784 1536 2464 1536 0
w 2464 1536 2464 1568 0
w 2464 1568 1280 1568 0
299 2848 1024 3008 1120 0 0 0 0 
w 2880 1024 2880 928 0
w 2880 928 2496 928 0
w 2880 1120 2880 1248 0
w 2880 1248 2496 1248 0
w 1344 864 1376 864 0
w 1344 960 1312 960 0
w 1344 960 1472 960 3
w 1344 960 1344 1024 0
w 1344 1024 1120 1024 1
w 1792 1024 1856 1024 3
w 1696 992 1536 992 3
w 1792 960 1792 928 0
w 1792 928 1600 928 1
o 0 0 0 0 3 1 0.001000000000001 1 -5 5 E180.2 0&TriggerLevel=0.391310004372611&TriggerEvent=1