More about oscillator (484)

1-07-1983 | 42 P. von Berg The output of Nl wilt be logic 1 if a signal between 750. 850 Hz is applied to the inputs of the tone decoders. As long as th...

1-07-1983 | 9V 9V 1Nl 51 1T3 2 JJ P1 C1 look 10n 14 T C5 "cl 9V op 1C2 cricket simulator 9+ This simulator gives a faithful repro- duction of the chirp...

1-07-1983 | elektor july/august 1983 52 pulse/pulse train generator This circuit has two modes of oper- ation. If the pushbutton is just pressed once a...

1-07-1983 | 56 VFO with variable inductor An LC oscillator as shown in figure 1 is not exactly something new: transistor T1 is connected in a common bas...

1-07-1983 | optical voltage indicator This circuit indicates, by means of a flashing LED, when a voltage being monitored or measured falls below a prede...

1-07-1983 | L. inexpensive 45 MHz crystal filter A receiver with an intermediate frequency, IF, which is higher than the highest received frequency, fc,...

1-07-1983 | 5 symmetrical harmonic oscillator The remarkable thing about this oscillator is not that it operates on the third overtone of a crystal nor...

1-07-1983 | 10 electronic tuning fork A standard tuning fork produces a tone of 440 Hz, that is, the inter- national A (orchestral pitch). It is not ver...

1-07-1983 | 11 noise and vibration detector Whether it is the hi-fi next door, the cat purring quietly, or a knock at the door, the detector described h...

1-07-1983 | 20 simple baud rate generator The generator described is a good- value-for-money alternative to the commercially available types; it uses on...