1 (140)
Spy Circuits
Strona 1 z 46
by Colin Mitchell
I
Tallltoti
Notę: Ali the circuits described in this article must be used for experimental purposes only and must not be activity.
2011-12-08
mk:@MSITStore:F:\spy circuits.chm::/SpyCircuits-l.html
Wyszukiwarka
Podobne podstrony:
1 (147) Strona 8 z 46 Spy CircuitsAN IMPROVED DESIGN This design uses a "sług tuned coil"
1 (156) Spy Circuits Strona 17 z 46Use an RF transistor for the Buffer3. MORĘ RANGĘ Morę output can
15 pcx T-JC9/UF (N) 1/12-4. IF(RF AGC) CIRCUIT ADJUSTMENT • In this model, the cir
1 (181) Strona 42 z 46 Spy Circuits coil. Ali the othertransmitters have sufficient output to detect
1 (141) Strona 2 z 46 Spy Circuits These circuits are very powerful, in that they are very hard to d
1 (142) Strona 3 z 46 Spy Circuits pulse is amplified by the transistor and the Circuit is kept acti
1 (143) Spy Circuits Strona 4 z 46 illuminate. So far we have seen an unstable Circuit in action. Pi
1 (146) Spy Circuits Strona 7 z 46 The finished bug with "studs" for the battery and a cut
1 (148) Spy Circuits Strona 9 z 46 Antenna The emitter resistor is too Iow Inductor is 6 tums of wir
1 (149) Strona 10 z 46 Spy Circuits2 TRANSISTOR CIRCUITS The next progressive step is to add a trans
1 (150) Strona 11 z 46 Spy Circuits magnetic field" and this occurs when the coil collapses and
1 (151) Strona 12 z 46 Spy Circuits - 5v for maximum output. The Voyager has been copied by many kit
1 (152) Spy Circuits Strona 13 z 46 See the layout below: Faults with this Circuit: 1. Load resistor
1 (153) Spy Circuits Strona 14 z 46The Circuit on proto-typing board - a quick way to build a projec
1 (154) Strona 15 z 46 Spy Circuits To get good audio ampiification, and a stable oscillator and the
1 (157) Strona 18 z 46 Spy Circuits4. DIFFERENT COUPLING We have already mentioned the fact that a c
1 (158) Spy Circuits Strona 19 z 46 /Antenna I 165cm A PNP in the buffer is not a good performer6. W
1 (159) Strona 20 z 46 Spy Circuits8. CLASS "C" OUTPUT The following Circuit uses no biasi
1 (160) Strona 21 z 46 Spy Circuits with frequencies around 100MHz. It seems the designer had diffic
więcej podobnych podstron