How much gain do you expect out of a diode?
Carl
KM1H
----- Original Message -----
From: "Bill Fuqua" <wlfuqu00@uky.edu>
To: "Carl" <km1h@jeremy.mv.com>; "Bill, W6WRT" <dezrat1242@yahoo.com>;
"AMPS" <amps@contesting.com>
Sent: Tuesday, July 31, 2012 2:34 AM
Subject: Re: [Amps] Another interesting tube
>I always thought the 6161 was a neat tube. A bit low on gain but a lot more
> gain than a 1616.
> 73
> Bill wa4lav
>
>
> At 10:02 PM 7/30/2012 -0400, Carl wrote:
>>There is nothing wrong with a lot of old tech tubes.
>>
>>I have several old fashioned 7213's and a couple of the 7214 pulse version
>>and always wanted to build something around them.
>>For now they are just spares for military cavities retuned to 222 and 432
>>.
>>
>>Many moons ago in the mid 60's I used 6161's that were given to me NIB
>>when
>>a CH 56 transmitter was scrapped, I was the tower ape at that site doing
>>on
>>call moonlighting when needed as I lived about 5 miles away. Thats when I
>>was taught about cavity and flat plate designs and had them as high as
>>1296
>>with decent efficiency considering the frequency
>>
>>Carl
>>KM1H
>>
>>
>>
>>----- Original Message -----
>>From: "Bill, W6WRT" <dezrat1242@yahoo.com>
>>To: "AMPS" <amps@contesting.com>
>>Sent: Monday, July 30, 2012 9:16 PM
>>Subject: Re: [Amps] Another interesting tube
>>
>>
>> > ORIGINAL MESSAGE:
>> > On Mon, 30 Jul 2012 20:55:19 -0400, you wrote:
>> >
>> >>Glass instead of ceramic and only a 150C seal limit means lots of air
>> >>when
>> >>trying for 1500W.
>> >>That really is an ancient technology tube and is only good to 6M.
>> >
>> > REPLY:
>> > All true, but the tube is so cute! :-)
>> >
>> > Seriously though, I would run two in parallel if going for 1500 watts.
>> > And
>> > lots
>> > of air.
>> >
>> > And spend the money I saved on antennas.
>> >
>> > 73, Bill W6WRT
>> > _______________________________________________
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>> > Amps@contesting.com
>> > http://lists.contesting.com/mailman/listinfo/amps
>> >
>> >
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