Suggested by a 1965 Electronic Design, this circuit has a gain of 15 dB at 45 MHz and can be changed to operate on other frequencies. The tetrode FET is an uncommon component today.
This voltage regulator circuit has 1 A of maximum current for a TIP32 and 500 mA for a BD136. The...
We found this circuit in an American documentation of the 80's, being indicated for the test of...
The Toshiba TLP577x series consists of an infrared photo-emitter (IR) and a sensor integrated circuit...