Broadband Amplifier (CB21860E)

This circuit has a voltage gain of 30 times and passband of 14 MHz. The circuit is from the 1974 Ferranti transistor manual.

4040 Oscillator (CB14984E)
This traditional rectangular oscillator configuration generates signals up to a few megahertz...
Music Generator (CB9882E)
This circuit is just a curiosity found in a 1990 documentation, since the integrated circuit used...
Voltage Drop Alarm (CB1530E)
This circuit goes into operation producing a sound on a small speaker when the supply voltage...