12V na 9V DC/DC pretvarač
12V na 9V DC/DC pretvarač Lista dijelova: R1 = 560 ohm C1 = 1000uF/40V, Electrolytic C2 = 10uF/25V, Electrolytic C3 = 330nF, Ceramic Z1 = 9.1V, 1watt zener Q1 = ECG184, NTE184 Izvor: tonys website
12V na 9V DC/DC pretvarač Lista dijelova: R1 = 560 ohm C1 = 1000uF/40V, Electrolytic C2 = 10uF/25V, Electrolytic C3 = 330nF, Ceramic Z1 = 9.1V, 1watt zener Q1 = ECG184, NTE184 Izvor: tonys website
Broadcast-Band RF pojačalo Parts List: R1 = see text C1,C2,C3,C4 = 10uF, 25volt electrolytic R2 = 270 ohms C5 = 0.1uF, ceramic disc R3 = 500 ohm potentiometer R4 = 1K8 (1800 ohms) Q1 = MPF102 J-FET, or use NTE451 R5 = 10K (10,000 ohms)
Punjač 6voltnih gel baterija Parts List: Resistors are carbon, 1/4 watt, 5% tolerance, unless otherwise indicated. R1 = 22 ohm, 1W C1 = 0.1µF, ceramic R2 = 270 ohm C2 = 0.1µF, ceramic R3 = 220 ohm D1 = 1N4001 *R4 = 715 ohm, 1%
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
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 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