>
>> >I use a freshly calibrated oscilloscope and HV multiplier probe to
>> >measure
>> peak-v across the load, which I then convert
>> >to PEP with a calculator.
>>
>> Which method actually measures the PEP according to its international
>> definition, and is modulation independent. What more could you ask for?
>
>I use a good peak storage amplifier with a LM-358 and a
>conventional directional coupler, which reads peaks perfectly well
>with all types of modulating including pulse in the microsecond
>range.
? Can you read 2kV peaks across 50-ohms at 4MHz?
>
>I don't have to use the scope method, which is actually much less
>accurate in both resolution and from power error caused by load
>impedance changes.
>
? My load still measures 49.8 ohms. A use a voltage-standard to
calibrate the scope.
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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