5 A x 120 kHz pulses (CB9245E)

This high current switching stage was found in a 1967 EEE. The power transistor is from that time. The peak current can reach 30 A.

| Clique na imagem para ampliar |

Tone Control with the TDA1524A (CB14579E)
The circuit below was suggested by the Motorola Linear Databook of 1990. The component used is...
Simple Capacitor Meter (CB16300E)
This circuit is intended for testing small capacitors. What we have is an astable multivibrator, which works...
AGC Reverse for Transistor Radios (CB4144E)
This circuit was found in an American 1980s documentation. The transistorized step is the...