Elektor Team (9534)

1-07-1986 | Obtaining TV synchronization pulses from a composite video signal gener- ally presents few problems, as can be concluded from the relative s...

1-07-1986 | 41 The objective of this circuit is to obtain a synthesizer-controlled equivalent sound as produced by such metal indefinite pitch per- cuss...

1-07-1986 | A1 ,A2 = IC1 = LM393 51 on/off 9V IC1 IC2 IC3 00 A telephone has the unfortunate dis- 2 advantage that you have to be near it to be able to...

1-07-1986 | This circuit is not really a technical novelty, but it has its practical uses. If, for instance, it is desired to connect a video recorder A...

1-07-1986 | fast voltage-controlled pulse generator 1441 Certain measuring and process con- trol applications require pulse generator sections which are...

1-07-1986 | 68 45 guitar fuzz unit The fuzzbox, fuzzer, tube screamer, or whatever other name there may exist for the controlled guitar sound distortion...

1-07-1986 | 46 two-gate bistable Probably unequalled as to its simplicity given the digital function, this circuit may serve as a single- button on/off...

1-07-1986 | 2 mains-based remote controller 69 EE July/August 1986 A7 This combination of transmitter and receiver is based upon the use of the mains ne...

1-07-1986 | R25 EE 74 July/August 1986 LE)io cll 180 n -II II 10n 10n (Sat.) ® S1 50mA A2 10n 10n R19 A R21 180 n R2 C11 . 68n R24 C2 481..bwoofer filt...

1-07-1986 | 14 SS"ETALARM RIO TO BC557B T2 80539 C2 oon CI D9 C3 100n RI2 D•• ICE C. M80 100 V 16V pti 52 RESET ALARM 05 C8 I=1 mmi 1°:;: car burgl...