Parts List: Part Description Radio Shack # DigiKey # Notes R1 1K resistor brown black red gold R2 1K, NTC R3 10K resistor black brown orange gold P1 10K trim pot bourns, multi-turn D1 Led, red Light Emitting Diode D2 1N4148 diode 276-1101 1N4148DICT-ND
Volt regulators such as the LM708, and LM317 series (and others) sometimes need to provide a little bit more current then they actually can handle. If that is the case, this little circuit can help out. A power transistor such as the 2N3772 or similar
Popis dijelova: Otpornici su 1/4 Watt, 5% R1, R3 = 1K5 R2 = 6K8 R4 = 3K3 Rx = 1K-10K (vidi tekst. Sam 3K3) P1 = 20K, trimer pot LDR1 = Optokopler Q1, Q2 = PN200, 2N3906, NTE159, 2N4403, itd. Q3 = 2N3053, 2N2219, 2N699,
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
Precizno napajanje 0-40V, 0-2A Popis dijelova : Otpornici : Svi su otpornici 1/4W , osim ako nije drugačije naznačeno R1 = 1K2 RV1 , RV2 = 5K R2 = 7K5 RV3 = 500 oma R3 = 15k RV4 = 100K R4 = 160 Ohm P1
DC/AC Inverter (NE555) Popis dijelova: R1 = 10K R2 = 100K R3 = 100 oma R4 = 50K potenciometar, Linearni C1, C2 = 0.1uF C3 = 0.01uF C4 = 2700uF Q1 = TIP41A, NPN, ili ekvivalent tranzistora Q2 = TIP42A, PNP, ili ekvivalent tranzistora L1
Relej s odgodom paljenja Popis dijelova: R1, R3 = 10K R2 = 680K (vidi tekst) R4, R5 = 6K8 Q1 = 2N3906, ili ekvivalent IC1 = CD4001, ili ekvivalent CMOS D1, D2, D3 = 1N4001, ili ekvivalent C1 = vidi tekst Ry = Relay, 12V
Duplo 12V napajanje Izvor: tonys website
Dsl filter Dijelovi: L1, L2 = 6.8mH, induktor L3, L4 = 10mH, induktor C1 = 0.022uF, 250-600V C2 = 0.015uF, 250-600V Izvor: tonys website
Aktiviranje releja svijetlom/mrakom Zamjena za tranzistor 2N2222 može biti NTE123A, ECG123A, PN100, itd. Izvor: tonys website