Unit Gain Stage (CB6157E)

This high impedance step suggested by an English publication can operate up to 1 MHz with 1 V rms output. Input impedance is 1 M ohm.

| Clique na imagem para ampliar |

Adjustable Field Strength| Meter (CB5188E)
The circuit presented may use any general purpose transistor. The indicator is an LED and...
13.8 V x 5 A Power Supply (CB1216E)
This source was found in a 1982 American publication, but can be easily assembled using 2N2995 (PNP...
Frequency to voltage converter (CB6345E)
Found in a 1980s documentation, this circuit uses as base a component of the era. The formula for...