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G8MNY  > ATV      07.10.11 07:25l 52 Lines 1437 Bytes #999 (0) @ WW
BID : 14460_GB7CIP
Read: GUEST DK3UZ DD3IA DL1ARS
Subj: S-Video pin-out connections
Path: DB0FHN<DB0FOR<DB0SIF<DB0EAM<DB0HOL<DB0FD<DB0UHI<DB0OSN<DB0RES<DK0WUE<
      7M3TJZ<CX2SA<GB7CIP
Sent: 111007/0053Z @:GB7CIP.#32.GBR.EU #:14460 [Caterham] $:14460_GB7CIP
From: G8MNY@GB7CIP.#32.GBR.EU
To  : ATV@WW

for the 4 pin miniature din out socket
                ___

             1 o   o 3

            2 o     o 4
                ___

1 - Luminance signal
2 - Luminance ground
3 - Chromanance signal
4 - Chromanance ground

For S Video the normal "Composite" video signal that contains.. frame & line
"Syncs" + the black & white "Luminance" Video + the "Chromanance" colour
signal, is split into 2 components:- Luminance & sync, & a Chromance.

The purpose of having 2 separated signals is to negate the need for filtering
which always comes with some definition loss, & to stop cross colour problems
caused by sharp edges & gratings in the Luminance Jamming the colour signal.
------------------------------------------------------------------------------
From: RZ6AVM@UA6ADV.H.KRD.RUS.EU
Title        : S-Video TV card -- RCA
    ________________________________________>  video
    |                         |
    |                       -----  470pf
    |                       -----
    |                         |
    |                         |
  3 o   4 o___________________I

1 o       2 o_______________________________> GND

                  OR

  3 o   4 o_________________________________>  video

1 o       2 o_______________________________>  GND

  1. GND-Y   2. GND-C   3. Y   4. C

73 - EVGENY, RZ6AVM @ UA6ADV


Why Don't U send an interesting bul?

73 De John, G8MNY @ GB7CIP



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