1 kHz oscillator (CB21934E)

This circuit was taken from the 1960's Mullard Transistor Manual. Information about the coils is given along with the diagram.

| Clique na imagem para ampliar |

Signal Follower (CB12343E)
This sensitive 4-transistor signal follower can be used in both audio and RF circuits. P1 is a...
Transformerless 5V Regulator (CB25041E)
This circuit for powering TTL and even modern microcontrollers is from February 1987, Radio...
Power amplifier (CB22364E)
This amplifier of a few watts of power was found in English documentation from 1995. Power...