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Toggle Switches 7 years 4 months ago #255

  • Ray
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Hi Vince, thanks for the info!!! ;)

A folk asked me about the voltage on the op-amps pins for some debugging, so find below the he levels on the op-amps sockets (with the TL072 removed) and only the TC1044 on place:

TESTPOINTS:
+5V: +4.75V
-5V: -4.75V
+3V3=3.28V

U1
pin1:0.8
pin2:0.7
pin3:0.1
pin4:-4.7
pin5:1.5
pin6:0.8
pin7:0.8
pin8:4.7

U2
pin1:0
pin2:0
pin3:0
pin4:-4.7
pin5:0
pin6:0
pin7:0
pin8:4.7
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Toggle Switches 7 years 4 months ago #256

  • Noaita
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My voltages are 75% higher than those listed for U1, except for the +-5V. What could that mean?
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