This circuit was found in a 80s American documentation. The zener diodes determine the points of action of each stage and the transistors can be general purpose types.
With several integrated circuit options, this amplifier can provide different powers depending on the...
March 2017 - The new 2W DC-DC converters from Recom can now be porchased at Mouser Electronics. The new...
Using circuits from Analog Devices, this circuit does not need a symmetrical power supply. It is...