|Heathkit RF-U1 Signal Generator
This is a fairly common unit - built by the UK Heath company - and can still be found. It is valve driven (naturally) and dates from the late 1950's
It covers the RF range 100KHz to 200MHz in 6 switched ranges - it also an AF output at 400Hz . The unit will also receive up to 4v AF input for external modulation (a handy way of transmitting over a few feet to test radios!). Additionally, the output has coarse and fine control attenuators.
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Last updated 13th May 2002