• on Audio/Video/Photography
  • Published in issue 7/2009 on page 41
About the article

S-video Converter

The converter we are suggesting building, very simple since it only uses two transistor, lets you convert any S-video signal into a composite signal and so will perhaps enable you to give a new lease of life to your old CRT television.
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Products
Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor Members can exclusively download these files for free as part of their Membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service. Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Resistors
R1,R2,R11 = 75Ohm
R3,R7,R8 = 470Ohm
R4 = 560Ohm
R5 = 27kOhm
R6 = 10kOhm
R9,R10 = 150Ohm
Capacitors
C1, C3 = 100nF
C2, C4, C8 = 470µF 25V
C5 = 10nF
C6 = 10µF 25V
C7 = 220nF
Semiconductors
D1 = 1N4004
T1 = 2N2222A
T2 = 2N2907A
IC1 = 7805
Miscellaneous
4-pin mini DIN connector
Cinch connector (yellow)
DC supply connector
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