Subwoofer Filter (CIR25262E)

This low-pass circuit was found in the December 1990 issue of Radio Electronics magazine. The circuit is part of a home theater sound system.

| Clique na imagem para ampliar |

Two-phase motor control (CB7269E)
Suggested by Sprague in the 90's documentation, this circuit applies to AC motors. The...
Astable with waveform correction (CB25653E)
The diodes in this circuit are used for waveform correction. The circuit is from Electronics Now...
Crystal controlled oscillator (CB9655E)
This 5.1 MHz oscillator was found in a 1980s American documentation. The used operational...