Tag Archives: electrolytic

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

Auto punjač NiCad

Auto punjač NiCad Table 1 Part Description Radio Shack # DigiKey # Notes IC1  TDA2003, Au Amp  n/a   Pwr Amp,10A, lin, 5-pin Q1  2N3055T, Transistor  NPN, Power D1/D2   1N4002, Diode   276-1102   1N4002DICT-ND  Gen purp rect diodes Led1   Red   276-033

Elektroničko zvonce (kanarinac)

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 =

Broadcast-Band RF pojačalo

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)

Izmjenični ON-OFF prekidač 2

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,

Aktivna antena 1-20dB, 1-30 MHz

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

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

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