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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Two-transistor regenerative receiver (CB20568E)
Details of the coil of this two-transistor generative receiver were not given. We found it in a...
Instrumentation Amplifier TL082 (CB901E)
This very high input impedance circuit is suggested by Texas Instruments. The circuit can be...
High Speed Buffer (CB4991E)
This circuit from an 80's publication also features low input capacitance. FET can be a modern...