Found in an Electronic Design from the 90s, this circuit uses components from the time. It is intended for coupling with 50-ohm cables.
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...