[Boatanchors] Suppressor grid modulation

[Al Klase]

In addition, you need a pentode with the suppressor grid brought out to 
a separate pin, as opposed to being internally connected to the cathode.

Al

Paul Kraemer wrote:
> Paul
> The 803 is a power pentode with a true grid structure for the suppressor
> The 813 is a beam power tube with beam forming plates-not a true grid 
> structure
> Paul K0UYA
> ----- Original Message ----- 
> From: "Paul Baldock" <pbaldock at verizon.net>
> To: <boatanchors at mailman.qth.net>
> Sent: Wednesday, January 27, 2010 9:31 AM
> Subject: [Boatanchors] Suppressor grid modulation
>
>
>   
>> Could someone explain to me what characteristic makes one tube good
>> for Suppressor Grid Modulation like the 803 and another tube not
>> suitable like the 813?
>>
>> Thanks
>>
>> - Paul
>>
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>
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/