27 MHz Oscillator (CB24983E)

This tunnel diode oscillator was found in July 1986, Radio Electronics magazine. Note the low supply voltage.

Photo Timed Voice Relay (CB16823E)
This interesting circuit, which can be used as an alarm, was found in a 1997 documentation. It...
NOR function with Transistor II (CB19891E)
The figure shows how to implement a No – OR or NOR function with 1 general purpose transistor. The supply...
Two outputs DC to DC converter (CB7531E)
This circuit was obtained in Linear Technology documentation from 1993. The circuit provides 3.3 V and...