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There was a circuit in CQ-TV 178 that used a MAX038 chip to do the frequency generation but this chip is obsolete and no longer available in UK and very pricey from USA. An even older design in CQ-TV 80 in impractical as it required separate L-C oscillators for each frequency.
So does anyone know of a (simple) design for a multi-burst generator?
Hope you all bring plenty of old but useful video bits to the B&B at Kempton Park next week........