This transformerless 16-ohm speaker circuit was found in a Radio Electronics from October 1963. The circuit is powered by 12 V and the gain is 50 dB.
Found in documentation from Analog Devices from the 90s, this amplifier uses a component from the...
This charger was found in an 80's Electronic Design. The circuit uses components from that time....
This double tone generator uses a specific integrated circuit, having been found in a 1977 CMOS...