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Troubleshooting
Basic Electronics
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Amplifier 2 Troubleshooting
The Scope shows the output of a good and a bad amplifier (shown above) when the 1khz input signal is stepped thru 2mV, 4mV and 6mv. The first three frames show the output of the good circuit and the next three frames show the output of the bad circuit, the next frame shows a flat line (scope input grounded) display.
Select a possible component failure: A. Transistor Base to Emitter open. Answer Below
Answer Below
Answer Below ANSWER! C. 270 ohm resistor's resistance increased to 273 ohms.
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