This site is the design archive for -
The GEM. A class-A//AB audio power amplifier (25W to 200W)
A 600 ohm line driving, 12dB Gain-Buffer, audio stage.
The ACE. A vinyl phono pre-amplifier for MM cartridges.
The 'T'-bass. A passive Open Baffle Loudspeaker Equaliser.
The ATL-3. A high sensitivity indoor MW Loop antenna.
The '6x6' Loop. A 6ft x 6turn balcony/garden antenna.
A piezo ultrasonic small mammal pest deterrent.
The FS Loop. A Ferrite Sleeve AM receiving antenna.
12th March 2011. Also see my other website - www.GMweb1.net