This battery-powered micropower supply was shown in Radio Electronics magazine in 1991. The maximum current is 170 mA. and the integrated circuit is the MAX655 from Maxim.
This is a typical RF oscillator configuration found in a 1980s documentation. The frequency...
The purpose of this circuit is to detect output signals from a transmitter for the frequency range...
We found this circuit in a Japanese 1968’s documentation. The circuit makes use of transistors from...