>
>Hi Mike,
>
>You refer in this post to "leading character truncation". The problems I
>have had either
>resulted in a very slow build-up of output from the amp (of the order of
>seconds), or no
>output at all. In this case it was definitely a result of high and
>variable resistance in
>the tx-gnd circuit.
>
>I don't know anything about the switching characteristics of the AL-82,
>but I suppose it
>could be a case of the FT-1000D relay not switching fast enough, although
>that is never a
>problem with the Alpha 87. Perhaps Rich Measures has a point and some
>amps require faster
>switching than can be achieved by a mechanical relay.
>
The only mechanical relay that is fast enough for high-speed switching is
the reed-type. Unfortunately, reed relays have limited E and I
capabilities. A switch-transistor is faster, more E and I capable,
cheaper, and quieter.
>...
cheers
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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