This high-impedance headphone circuit was found in a 1990s William Sheets. The power is low, but the high input impedance makes it useful for radio applications.
Found in American documentation, this amplifier stage has unit gain and a high input impedance. It...
This simple oscillator generates a 455 kHz signal. The circuit is from an 80's documentation and its...
It can be obtained from Mouser Electronics the new MAX14871 Maxim consisting of a full-wave...