On 6/19/09 6:38 AM, "optoma...@rogers.com" <optoma...@rogers.com> wrote:
> Hey Robert
>
> Great tip about the attenuator.
>
> I looked up some models on the internet and some look fairly expensive.
> I know that I will always be injecting low voltage signals, do you think
> it would be wise to buy a cheaper fixed attenuator, let's say 20dB?, and
> then just depend on the variable rate that the signal generator?
>
How precise does your level have to be? How stable?
There are surplus attenuators available all over the place, some variable
ones too.
MiniCircuits has VAT-nn attenuators which are relatively inexpensive (not by
"found it at a ham-fest 30 years ago" standards, though)
Building your own attenuator using chip resistors is another possibility.
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