More about oscillator (542)

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 | elektorjuly/august 1983 1 Parts List Resistors R1=100k simple D/A converter given in figure 2 in which the latch (I C1), comparator (1C2 and...

1-05-1983 | Test equipment is useful, but often bulky, especially in small workshops. The Multitester design solves that by combining a logic probe, clo...

1-12-1982 | a dozen and one sounds elektor december 1982 — 12-59 a dozen and one sounds ... an assorted box of sound effects The circuit will be of gr...

1-11-1982 | 11-24 — elektor november 1982 talking dice talking dice C2 acts as a ripple filter. Potentiometer P2 adjusts the volume. The TMS 5100 cont...

1-10-1982 | 10-20 — elektor october 1982 L.C.D. thermometer The 7106 is a well known IC in the world of A/D converters, and was chosen for three main...

1-07-1982 | The performance of varicaps is im- proved when the voltage across them is increased. Besides better inter- modulation rejection, a 30 V circ...

1-07-1982 | 7-42 — elektor july/august 1982 D1 1N4148 1. R1 R3 1N4148 N1 ... N4 = IC1 = 4011 A = from master oscillator B = to top octave generator 82...