More about Retronics (160)

1-05-2010 | For a long time, the grid dip meter was the ‘HF multimeter’ of every RF engineer or technician. Like an ordinary multimeter, it is a simple...

1-04-2010 | In the early 1990s, activity in the 23 cm amateur radio band (1250-1300 MHz) soared due to the arrival on the market of wideband RF power am...

1-03-2010 | When I first laid eyes on these two black boxes I knew one thing right away: this is quality equipment, and it must be preserved. Along with...

1-02-2010 | Teletext, an information service based on text and simple graphics all carried via analogue TV broadcasts, did take a few years to develop o...

1-12-2009 | To allow glow discharge valves to be operated directly by low-voltage transistor circuits, a pair of researchers at the Philips Research Lab...

1-11-2009 | The klystron was invented, and a first prototype constructed, by the brothers Sigurd and Russel Varian working at Stanford University (CA) i...

1-10-2009 | One popular belief among the all-transistor generation of electronics enthusiasts is that operational amplifiers (op amps) came after engine...

1-09-2009 | Harold Leak was something of a pioneer in the design of high-fidelity sound reproduction equipment. From the 1950s to the end of the 60s his...

1-06-2009 | The Function Generator presented here was manufactured back in 1969. Its frequency range is 0.01 Hz to 100 kHz for sine, square and triangle...

1-05-2009 | ‘With a good amplifier, all you hear is the music.’In December 1982, Elektor surprised the world with a top-class MOSFET final amplifier boa...