Paul Burridge wrote:
Anyone care to nominate an RF mixer chip for 100Mhz that's readily
available in the UK?

What sort of performance is required? Diode mixers are easy to obtain
and have good IMD characteristics. The impedances on the ports need to
be properly matched.

Leon
--
Leon Heller, G1HSM
Email:
My low-cost Philips LPC210x ARM development system:
http://www.geocities.com/leon_heller/lpc2104.html