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[AMPS] Tube rating question

To: <amps@contesting.com>
Subject: [AMPS] Tube rating question
From: km1h@juno.com (km1h@juno.com)
Date: Tue, 2 Mar 1999 20:12:25 -0500


On Wed, 24 Feb 1999 09:50:04 -0500 "Joe Subich, W8IK/4" <W8IK@ibm.net>
writes:
>
>
>
>>
>> > The Eimac data sheet for the 3CX800A7 was an after thought. The 
>tube had
>> > been developed and rated at 1370 watts output with "typical" 
>operation
>> > at 2500 volts at 800 ma. THEN the FCC changed the power limits to 
>1500
>> > watts OUTPUT and Eimac then changes the ratings on the tube for 
>2200
>> > volts at 500 ma. operation and 750 watts output which is what the
>> > technical data sheets show.
>
>>
>> If the tube was designed for opration at 2500 volts 800 mA, why does 
>the
>> data sheet/catalog give 2200 volts 600 mA as "maximum ratings?"  Why 
>not
>> simply show the lower "typical operation" numbers like many other 
>tubes
>> in the catalog?



You simply have a revised data sheet. The original one is dated March 9,
1983

73  Carl  KM1H




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