No, Will should have said "for minimum distortion at 1 KW PEP
input and class B service at 2500 Volts, the maximum plate
current at single tone ..."
There is no indication that 1KW PEP class B produces more or
less distortion that say 1500 W PEP in class AB2 at 3000 V
on the plate. You cannot arbitrarily apply one set of conditions
to a completely different set of circumstances.
... Joe, W4TV
> -----Original Message-----
> From: email@example.com
> [mailto:firstname.lastname@example.org] On Behalf Of R L Measures
> Sent: Tuesday, June 27, 2006 9:20 AM
> To: Tom W8JI
> Cc: email@example.com; firstname.lastname@example.org
> Subject: Re: [Amps] IM distortion and such
> On Jun 27, 2006, at 2:46 AM, Tom W8JI wrote:
> >> They can be used on up in current, say for pulse circuits
> >> and RF heating. The 400 mA is the maximum plate current at
> >> single tone for minimum distortion. That's for 600 watts
> >> PEP useful power each. That's listed in the tables on page
> >> 2 or 3 under a class B RF amp.
> > Will,
> > Where did you get the idea 400mA is a "minimum distortion"
> > condition?
> Good point, Tom. Will should have said something like: for minimal
> distortion, the max rated anode-I is 400mA.
> > 73 Tom
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