This amplifier, whose mounting on a printed circuit board was described in Radio Electronics of October 1960, has 35 W of power. The power supply uses a transformer and a set of 5 tubes.
This XR2208 application circuit was found in the April 1978 Radio Electronics magazine. The...
This circuit is from an old Elektor using components that are not currently common. The circuit is...
This 16-bit circuit was found in a 2005 Linear Technology application manual. The circuit uses...