Subwoofer Simulator (CB25130E)

This circuit consists of a bass filter that can be used as a subwoofer in a sound system. The circuit is from a Radio Electronics from May 1988.

| Clique na imagem para ampliar |

Switching regulator without inductors 2 (CB8127E)
We obtained this circuit in a Maxim documentation from the 90s. The circuit is based on the...
28 V Lock (CB7236E)
This circuit was found in a 1965 General Electric publication. The circuit can be adapted to...
Remote Control Receiver (CB25900E)
Based on Radio Shack 276-137, this circuit was found in the December 1995 issue of Electronics Now magazine....