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G8MNY > ATV 28.11.20 17:22l 59 Lines 1773 Bytes #999 (0) @ WW
BID : 13733_GB7CIP
Read: GUEST
Subj: S-Video pin-out connections
Path: IZ3LSV<F1OYP<W0ARP<VE2PKT<VE3CGR<I0OJJ<I0OJJ<GB7CIP
Sent: 201125/1010Z @:GB7CIP.#32.GBR.EURO #:13733 [Caterham Surrey GBR]
>From g8mny%gb7cip.#32.gbr.euro@i0ojj.ampr.org Wed Nov 25 11:10:42 2020
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>From: g8mny@gb7cip.#32.gbr.euro
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From: G8MNY@GB7CIP.#32.GBR.EURO
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
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| ----- 470pf
| -----
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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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