John Coppens wrote:
> I'm quite sure this was a rarity though. Most popular modems where
> using active filters on HF, and PLL on VHF. Then the first integrated
> modems appeared with switched capacitor filter for 300/1200 bauds, like
> the 7810, which could, simultaneously, fry eggs. Then, some smaller
> versions appeared which did quite well, at least on VHF (Texas Instruments
> tml????).
>
> John
>   

    Thompson EM7910 and ST EF7910.

    Texas TCM3105 and more recently MX-Com FX614P or MX614P.

    Mark

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