Transistorized VU (CB21729E)

The instrument of this circuit can be a common microammeter. The circuit has its operating point adjusted in the trimpot.

Short Circuit Protection for the 78xx (CB15337E)
This protection circuit applies to booster steps for the 78xx series integrated units where xx is...
Transistor Analyzer (CB22569E)
This circuit has the function of observing the characteristic curve of a transistor on the...
Phase inverter (CB22232E)
Used in audio circuits in the excitation of output stages, this circuit provides audio signals with...