This simple unijunction and bipolar generator appeared in Radio Electronics magazine in September 1865. It generates signals from 100 kHz to 60 MHz and is powered by two 9 V batteries.
Operating in the range of 3 to 100 MHz, this circuit was found in documentation from the 70s....
This circuit was obtained from an English documentation from 1995. The operational amplifier has...
This amplifier with an OTA has a gain of 40 dB. The power supply must be symmetrical. Found in...