[Amps] 4CX1500B

[R.Measures]

On Sep 26, 2005, at 10:44 AM, Peter Chadwick wrote:

> Rich said:
>
>> I do not set the meter.  With the RF gain at 10, the splatter moves 
>> the
>> meter to some level, perhaps c, half-scale.  I note the average
>> reading, move to the fundamental frequency, and add whatever attn is
>> needed to achieve the same reading as before.  The # of db on the attn
>> is the total IMD level.<
>
> Hardly an accurate quantitative measurement. You can probably get 
> within
> +/-3dB uncertainty.

My HP step attenuator set is somewhat better than that.  From S-1 to 
S-5, a 1db change makes a noticeable difference on the S-meter.
>
> That in itself is probably good enough, for what you're trying to do, 
> though
> 73
>
> Peter G3RZP
>
>
>
>
>
>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org