Tunnel diode delay (CB21431E)

With two cascading tunnel diodes, this circuit found in a 196 General Electric documentation provides capacitor-dependent delays.

| Clique na imagem para ampliar |

Tuning Meter (CB4520E)
This circuit obtained in a 1965 magazine indicates when all signal from a transmitter is going to the...
Two-Transistor Timer (CB18960E)
This common circuit with two transistors was found in an old French publication. The supply can be...
Symmetric regulated by zener power supply (CB20213E)
This symmetrical power supply uses only one zener diode in its regulation, supplying voltages of...