Tag Archives: nte159

Relej aktiviran tamom

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,

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)