I have a single transistor amp circuit -input is an 25mv p-p sine wive  and output is a 2.5v p-p sine wive powered by a 9 volt power source. This is a circuit copied from a test paper and I wish to be able to change component values to simulate failures. I created the circuit, but when I use a voltage input (sine wave) I get readings of YV and GV with kamps, Any help is appreciated.


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