30 MHz Amplifier (CB5939E)

This low noise circuit was obtained from a 1980s US RF publication. Transistors used are uncommon today and the gain is 19 dB..

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Multimedia PWM Amplifier (CB17971E)
This circuit provides a power of the order of 2 W, characterized by high performance. The output...
12 V to 110 V x 60 Hz Inverter (CB13913E)
This 12 V to 110 V inverter with 100 W was found in a 1977 Signetics manual. The transformer must...
Amplifier 100 plus 100 V (CB15799E)
The gain of this amplifier is given by the components indicated in the formulas next to the...