This 2-quadrant modulator circuit was found in the May 1988 issue of Radio Electronics magazine. The CA3080 is an OTA operational amplifier.
Found in a 1967 Electronic Design, this circuit can detect pulses as narrow as 0.2 us. Active...
The basic purpose of this circuit is to apply an audio signal to a video carrier for sound and...
In the figure we show how to use a common transformer by changing its secondary to obtain a...