More about oscillator (542)

1-07-1981 | 68 forget-me-not - receiver The "forget-me-not" receiver is a TRF design and could hardly be simpler. It consists of a (cascode) RF amplifie...

1-07-1981 | M.A. Prins automatic soldertn iron switc VVe all know that it is quite easy to forget to turn off the soldering iron. If you then go out of...

1-07-1981 | hydro-alarm It is well known that plant growers with a large "collection" have to work very hard in order to prois- and causes pin 13 duce s...

1-07-1981 | (al crysta • voltage supplies It is very easy to construct a crystal oscillator using a field effect transistor. This particular circuit o...

1-07-1981 | low no resonant oscillator lusted for maximum outp It may not be very widely known that overtone oscillators can operate in the parallel res...

1-07-1981 | 7-88 — elektor july/august 1981 91 crystal tuning fork The musician, who does not possess "perfect pitch", will no doubt occasionly have t...

1-07-1981 | 7-90 — elektor julyiaugust 1981 local oscillator filter for 2 m transceivers One of the most useful improvements that can be made to an ex...

1-05-1981 | 5-34 — elektor may 1981 waveform generator Square wave, sine wave, saw tooth, triangle, symmetrical, asymmetrical ... you name it, this ge...

1-12-1980 | xylophone elektor december 1980 — 12-09 With Christmas practically on the doorstep, small, sound producing circuits become very popular. T...

1-12-1980 | 12-12 — elektor december 1980 midnight raid detecto D. Butler This canned alarm is intended to repel inmates who insist on delving into th...