>
>In my case, I think the problem may be hot switching as Tom described since
>the symptoms are very consistent and on several occasions I did notice the
>FT-1000D's SWR meter spiking on the initial key closure (it only did this
>once
>or twice out of many tries). If hot switching is a problem, does anyone
>know a
>way to speed up the FT-1000D relay closure relative the onset of the
>transceiver's RF envelope?
>
Don't use a relay. A npn transistor does a faster switch than a relay.
See Figure 7 on my Web site. See article on TS-440 circuit improvements.
cheers, Mike.
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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