[AMPS] Re: HT current measurement.

[measures]

>At 02:59 AM 9/29/99 -0700, you wrote:
>
>>
>>€  look at the peak current from an anode supply with an oscilloscope and 
>>you will see that meters show only about 1/3 of the real current on SSB.  
>>Mo' mic. gain is not necessarily mo' betta.  .   
>>
>Rich, what kind of current probe and insulation do you use to measure
>current in the HV supply with a scope ? 

€  I don't use a current probe.  The best/safest place is to look at the 
instantaneous voltage drop across a 1-ohm resistor connected in series 
with the neg. HV  Volts equals amps.  It's as simple as that.  

> (I have to ask because after all,
>your name IS Measures !)
>I've thought about this before but haven't proceeded because I don't have a
>current probe yet.  I thought about using a piece of Teflon insulation over
>the B+, or measuring the current at an appropriate location in the B-
>return ( a little safer).
>
€  indeed, Phil


-  Rich..., 805.386.3734, www.vcnet.com/measures.  


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