Pulse width modulator Popis dijelova: R1 = 330 oma R2 = 1 MegaOhm P1 = 100K potenciometar (Lin) C1 = 0.1uF, (100nF) keramike C2 = 0.01uF, (10nF) keramike C3 = 0.01uF, (10nF) keramike D1 = 1N4004 (ili Schottky) Led = Vaš izbor Q1 = IRF513,
Pulse width modulator Popis dijelova: R1 = 1K R2 = 47 Ohm P1 = 50K potenciometar C1 = 0.1uF, (100nF), keramike C2 = 0.01uF, (10nF) keramike C3 = 470uF, 25V, elektrolita D1, D2 = 1N4148, opće namjene signalne diode D3 = MBR1645, NTE6081, ili slično.
Variable Frequency Pulse width modulator Popis dijelova: R1,R6,R11 = 10K C1 = 1000uF, 64V R2,R9 = 1K8 C2 = 10nF, polyester R3 = 100 ohm C3 = 100uF, 64V R4,R8 = 1K C4 = 22nF R5 = 22K C5 = 47uF, 35V R7 = 1M *R10
Elektroničko zvonce (kanarinac) Parts List: R1 = 4K7 (yellow-violet-red) R2 = 47K (yellow-violet-orange) C1 = 100uF, 16V, electrolytic C2 = 100uF, 16V, electrolytic C3 = 0.01uF (10NF or 103) C4 = 0.022uF (22NF or 223) Q1 = 2N2222 (or BC109C, NTE123A, PN100, etc) D1 =
Bug Detector / Detektor prislušnih uređaja Parts List: R1 = 390 ohm, 5% R2 = 390 ohm, 5% C1 = 1000uF, 10V C2 = 1.5uF, 10V C3 = 3.9nF C4 = 20pF, trimmer C5 = 10nF (0.01uF or 103) IC = 7413 or 74LS13 (2)
Izmjenični ON-OFF prekidač Parts List Resistors are 1/4 Watt, 5% R1,R3 = 10K (brown-black-orange) R2 = 100K (brown-black-yellow) Pin-out for Q1 R4 = 220 Ohm (optional) (red-red-brown) C1 = 0.1uF, (100nF, 104) C2 = 0.01, (10nF, 103) D1 = 1N4001 (see text) Led1 = Led,
Aktivno FM Pojačalo Parts List: R1 = 27K R2 = 270 ohm R3 = 1K Tr1,Tr2 = 22pF, trimmer cap (15-40pF) C1,C2 = 5.6pF C3 = 0.001uF (1nF), ceramic C4,C5 = 0.01 (10nF), ceramic C6 = 0.1uF (100nF), ceramic Q1 = 2SC2498, 2SC2570, 2N5179,
Aktivna antena 1-20dB, 1-30 MHz Lista dijelova i ostalih komponenti: Poluvodiči: Q1 = MPF102, JFET. (2N4416, NTE451, ECG451, etc.) Q2,Q3,Q4 = 2N3904, NPN transistor Otpornici: Svi otpornici su 5%, 1/4-watt R1 = 1 MegOhm R5 = 10K R2,R10 = 22 ohm R6,R9 = 1K R3,R11