Audio Pojačalo s jednim tranzistorom Lista dijelova: Q1 2N3392 NA 2N3392-ND Transistor, NPN R1 47K resistor 271-1342 yellow purple orange gold R2 470K resistor 271-1354 yellow purple yellow gold R3 10K resistor 271-1335 brown black orange gold R4 560 Ohm resistor 560QBK-ND green blue brown
Aktivna Antena AM-FM-SW Parts List: R1 = 1M C1 = 470pF C2 = 470pF L1 = 20uH to 470uH (see text) Q1 = MPF102, 2N4416, or NTE451 Izvor: tonys website
Izmjenični ON-OFF prekidač 2 Parts List Resistors are 1/4 Watt, 5% R3,R5,R6 = 1K (brown-black-red) R1,R7 = 2K7 (red-violet-red) Pin-out for Q1 R4 = 100K (brown-black-yellow) R2 = 180K (brown-gray-yellow) C1 = 10uF/16V, electrolytic C2 = 220uF/16V, electrolytic C3 = 1uF/16V, electrolytic D1 = 1N4148,
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
Aktivna Antena AA-7 HF/VHF/UHF, 3-3000MHz Lista dijelova i ostalih komponenti: Poluvodiči: Q1 = MFE201, SK3991, 3N201 (R2 not needed), or NTE454 N-Channel, dual-gate MOSFET, TO-72 (see text) Q2 = 2SC2570, NTE107. Silicon RF IF/Amp, NPN transistor (see text) Note: If you use the NTE107 as
555 Pulsni Timer Oscillator Lista dijelova: R1 = 1 Meg, Preset Pot R2 = 10K R3,R4 = 1K C1 = 10uF, 16V, electrolytic C2 = 0.01uF, ceramic Q1 = BC547 (Gen Purp NPN) or 2N3904 Q2 = 2N2222 (Hi Current NPN, up to 800mA) D1