Differential Output Amplifier (CB6135E)

This circuit of old American documentation (1965) can be applied to any transistor.

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Gain 10 CA3140 Amplifier (CB15503E)
The voltage gain of the circuit shown in the figure is 10 times. This gain is given by the ratio...
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This long delay circuit was found in the July 1973 Radio Electronics magazine. The capacitor...