مدار فرستنده صوت و تصویر

نمای شماتیک مدار

نمای قطعات مدار

لیست قطعات

CI1 – 7812 or 7815
D1 D4 1n4004 or equivalent
C1 C4 – 10NF
C5 – 2200µF TO 4700µF / 50 V
C6 – 100NF
C7 – 100µF 35V
C8 – 100NF
L1 – Shock of RF 100µH / 1 THE
T1 – Transformer, primary in agreement with the net (110/220) and secondary from 18 to 24V / 1A
Several – printed circuit board, threads, box, etc.

نیمه هادی ها

Cl1 – LM1889 – Integrated Circuit – Modulator of Video
Q1, Q2, Q4 – BC547 or equivalent
Q3 – BD135 or equivalent, example 2n2218 (different Pinage)
D1 – BB809 VARICAP or equivalent

مقاومت ها (همه ۱/۸ وات – ۵%خطا)

R1, R15 – 82 Ohms–
R2 – 120 K Ohms
R3 – 27K Ohms
R4 – 1,2 K Ohms
R5, R13, R14 – 270
R6 – 470 Ohms
R7 – 56k Ohms
R8 – 68k Ohms
R9 – 220 K Ohms
R10 – 2,7 K Ohms
R11, R17 – 1 K Ohms
R12, R16. R19 – 10 K Ohms
R18 – 47 Ohms x 1W
R20 – 22 K Ohms
P1 – 10 K Ohms trimpot

خازن ها

C1 – 4,7µF/1 6V – ELECTROLYTIC
C2, C3 – 10µF/1 6V – ELECTROLYTIC
C4, C8 – 1 nF – ceramic
C5 – 120 pF – ceramic
C6 – 47 pF – ceramic
C7 – 56 pF or 47 pF – ceramic

قطعات دیگر

L1, L2 – Coils – 0.3µH and L2 – 7 to 13µH.
XRF – 100 µH