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G8MNY > ATV 08.06.24 10:33l 51 Lines 1439 Bytes #999 (0) @ WW
BID : 9237_GB7CIP
Read: GAST
Subj: S-Video pin-out connections
Path: DB0FFL<DB0FHN<DB0RKB<DK0WUE<DB0ERF<OK0NAG<OK0NBR<SR1BSZ<IW0QNL<JH4XSY<
N3HYM<VE3CGR<PI8ZTM<I0OJJ<GB7CIP
Sent: 240608/0842Z @:GB7CIP.#32.GBR.EURO #:9237 [Caterham Surrey GBR] $:9237_GB
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.
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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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