[Amps] IM distortion and such

[R L Measures]

On Jun 26, 2006, at 6:45 PM, Bill Coleman wrote:

>
> On Jun 26, 2006, at 9:15 PM, Mike Sawyer wrote:
>
>> Bill said: .....I don't know why. With just a little bit of
>> searching, I
>> found a
>> 3-500Z spec sheet that clearly shows constant current curves going as
>> high as 2.2 amps! (Here:<http://www.mif.pg.gda.pl/homepages/frank/
>> sheets/088/3/3-500Z.pdf>)
>>
>> So much for the claim that the 3-500Z can't pass more than 420 mA....
>>
>> I call your attention to that same link where it refers to 'RF Linear
>> Amplifier Grounded Grid, Class B'. It clearly states: Maximum Ratings
>> DC Plate Voltage........ 4000 Volts
>> DC Plate Current........ 0.400 Amp
>> Plate Dissipation........ 500 Watts
>> Grid Dissipation........ 20 Watts
>>
>> I think someone ought to recant their statements with regards to
>> what the
>> manufacturer's maximum rating specifications.
>
> So, Mike, explain to me how the manufacturer can get constant current
> curves all the way up to 2.2 A if the maximum plate current is .4 A.

The 8877 tech data sheets show 50a pulses.  Does that mean 50a peaks  
sre okay for SSB?
>
> Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
> Quote: "Not within a thousand years will man ever fly!"
>              -- Wilbur Wright, 1901
>
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R L MEASURES, AG6K. 805-386-3734
r at somis.org