Monostable 4047 (CB25123E)

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

800 Hz Pulsed Tone Generator (CB25519E)
This circuit is recommended for alarm systems since it has a good output stage. The circuit is...
Gain 150 000 amplifier (CB6636E
) Suggested by Philips in a 1968 documentation this circuit has very high 10 ohm on-load voltage...
7 W amplifier (CB8946E)
No information is given about the transformers in this circuit suggested by Motorola in a 1968...