CA3080 Amplifier (CB25131E)

This amplifier with an OTA has a gain of 40 dB. The power supply must be symmetrical. Found in Radio Electronics, May 1988.

Circuit To Observe Transistor´s Characteristic Curve (CB1287E)
We found this circuit in an old publication on oscilloscopes. Its purpose is to observe the Ie /...
Fine Adjusted Power Supply (CB15781E)
A fine adjustment of the output voltage of a power source is achieved with this circuit, which...
Analog frequency meter (CB22531E)
The assembly of this circuit was written in an article in Radio Electronics magazine from January...