500 MHz Amplifier (CB9178E)

This circuit was found in a Motorola documentation from the 90s. The transistor used is uncommon today. The output power is 1 W.

| Clique na imagem para ampliar |

Sinusoidal Oscillator (MSB013E)
This circuit produces low frequency sinusoidal signals. The circuit is a phase shift oscillator...
Speaker Systems for Bench (CB17695E)
This 2009 circuit serves as an aid to those working on audio equipment repairs. With it, the...
1 kHz third order filter (CB12570E)
The circuit shown in the figure is a third order Bessel filter with unit gain using two...