On Sat, 5 Jun 1999, Paul Hart wrote:
> Some old Commodore monitors have split Chroma and Luma inputs, so it might
> be useful to some. As I recall, the 2600 actually has split Chroma and
> Luma signals available on the circuit board, but they get mixed before
> entering the RF modulation circuitry. Does anyone know how this mixing is
> done? You don't just tie the two signals together do you?
Yeah, the C= 1702 for example can use composite or luma/chroma inputs,
selectable by a switch. In the case of the 2600, you use a capacitor
to couple the chroma with the luma signal. That gives you composite.
-Chris
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