Lamp driver (CB9286E)

We found this circuit in a 1967 Electronics World. The circuit can be designed to control other types of loads and still function as a shield.

Sawtooth generator (CB8884E)
This circuit can generate signals from 80 to 800 Hz with an amplitude of 0.3 V. We find it in a...
Telephone in use indicator (CB9467E)
We found this circuit in a Hands-On Electroncs from the 90s. The circuit uses an LED indicator. Diodes...
555 in Cascade with Automatic Retrigger (CB1265E)
We found this configuration in a documentation for radio amateurs from 1974. The circuit can be...