modified 5 years ago

week 10 lab

00:20:19

differential amplier

published 5 years ago

JSkaggs

5 years ago

1. the polarities are similar from q1 base to q2 collector

JSkaggs

5 years ago

2. The polarities are similar from q2 base to q1 collector

JSkaggs

5 years ago

3. The max voltage the circuit can handle before clipping is 120-125mV. Lowering the R3 value lowers the gain until about 240 Ohms (where it bottoms out/clips) and raising the value of R3 increases the gain and decreases the pk to pk (until about about 1.5M Ohms where it appears to flatten out at 12V).

JSkaggs

5 years ago

The out put signal was Amplified when either the positive input or negative imput was applied and the amplification doubled when both were applied.

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