Mini amplifier (CB21697E)

The indicated fraction watt amplifier has good gain, requiring only 100 mV input for full power excitation.

Metronome (CB18215E)
This simple metronome, from 1985 documentation uses only transistors and has two settings. For...
Limiting Amplifier (CB21763E)
This circuit is suitable for modulating AM transmitters. The circuit is from a 1977 radio amateur...
High Voltage Pulser (CB6253E)
This flasher was found in an old Hands On, but uses common components. The optocoupler can be...