12 dB Attenuator (CB3908E)

This circuit can be used with receivers to attenuate signals that may cause interference. The circuit is a 70s documentation for amateurs.

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5 MHz Delay Line (CB6471E)
This circuit uses components of the time. We found it in a 1968 US documentation. The delay is 100 ns...
Common Emitter Stage (CB4936E)
This is a typical common emitter amplifier stage configuration. The transistor can be used...
Voltage Amplifier (CB21857E)
This amplifier with a 9 MHz passband and 10 voltage gain with two transistors was found in...