Monostable 4047 (CB25123E)

This re-triggerable circuit was found in the April 1988 Radio Electronics magazine. Timings are given by R1 and C1.

4W x 500kHz transmitter (CB21803E)
We found this 4W transmitter in a Mullard transistor manual from 1960. The circuit is powered by...
Treble Booster (CB12010E)
The response curve of this circuit has a maximum boost of around 6 kHz. The vertical scale is in...
Audible Indicator for Car (CB26291E)
Using the 555 this circuit was found in a Popular Electronics from the 90's. The circuit directly...