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Troubleshooting
Basic Electronics
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Digital to Analog Converter (DAC)
Instructions You must click S1, S2, or S4 to initialize program. Selecting a new Fault requires that you initialize program.. Specifications Vout will always equal an integer between 0 - 7 and will not deviate from an integer voltage by more than .02 volts. See animated schematic top of page. Operational Amplifier Gain (Minimum) = 100000 Operational Amplifier Input Offset = 1mV (Max.) Resistor Type = precision ( + or - 1% ) Maximum closed switch resistance = .5 ohms Vpos
= 15.0 + or - .05 Vdc
Answers Below Fault 1 R2 is 8200 Fault 2 Bad opamp Fault 3 S4 closed resistance high Fault 4 R5 =82 Fault 5 Vneg = -14.88 Fault 6 R4 = 1031
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