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Re: [Amps] IM distortion and such

Subject: Re: [Amps] IM distortion and such
From: "Will Matney" <>
Date: Mon, 26 Jun 2006 21:57:08 -0400
List-post: <>

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.



*********** REPLY SEPARATOR  ***********

On 6/26/06 at 9:45 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:<
>> 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.
>Bill Coleman, AA4LR, PP-ASEL        Mail:
>Quote: "Not within a thousand years will man ever fly!"
>             -- Wilbur Wright, 1901
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