[Amps] Glitch resistor in tank compartment
Carl
km1h at jeremy.mv.com
Fri May 9 21:28:07 EDT 2014
At 90 deg there is minimal coupling and the bypasses will take any RF to
ground, it should be fine; Ive done similar in a couple of ISM amps.
Carl
KM1H
----- Original Message -----
From: "David Craig" <davidhcraig at verizon.net>
To: "'Carl'" <km1h at jeremy.mv.com>; <Amps at contesting.com>
Sent: Friday, May 09, 2014 8:01 PM
Subject: RE: [Amps] Glitch resistor in tank compartment
> Thanks Carl- I remember your mod, I'm just worried a bit because
> this will be much closer to the tank coil than the SB220 had.
>
> -----Original Message-----
> From: Carl [mailto:km1h at jeremy.mv.com]
> Sent: Friday, May 09, 2014 7:59 PM
> To: David Craig; Amps at contesting.com
> Subject: Re: [Amps] Glitch resistor in tank compartment
>
> I replace RFC-2 in the SB-220 with a 25W glitch and never had a problem
> with
> it. Bypass it on both sides with a 1000pf 6-10KV disc ceramic....not a
> Chinese ebay POS either.
>
> Carl
> KM1H
>
>
>
> ----- Original Message -----
> From: "David Craig" <davidhcraig at verizon.net>
> To: <Amps at contesting.com>
> Sent: Friday, May 09, 2014 7:28 PM
> Subject: [Amps] Glitch resistor in tank compartment
>
>
>> Hello All,
>>
>>
>>
>> Sounds counterintuitive as I know the Z-50 in the SB220 & others
>> who covert them to 6m monoband amps do it but want to throw it out there
>> for
>> comment. I've got a Aerotron Navy surplus 3-400 amp I've final got
>> around
>> to turning into 2x 3-500z 50 MHz monobander & I didn't preplan as well as
>> I
>> should have for the glitch resistor. Using a 25 ohm 50w ohmite wire
>> wound
>> for glitch & the only place with the layout of the tank has the resistor
>> at
>> 90 degrees to the tank coil (Pi circuit) about 2 inches away. Anyone see
>> any potential problem with that- coupling, current, etc? Wanted to mount
>> it
>> that way because the cooling fan will keep temp down & won't interfere
>> with
>> flow around the tubes. Only other practical option without excessive
>> rerouting of B+ would put in in a location in the PS deck that won't get
>> the
>> cooling I want it to have. Any input appreciated.
>>
>>
>>
>> 73 Dave N3DB/8R1DB
>>
>> _______________________________________________
>> Amps mailing list
>> Amps at contesting.com
>> http://lists.contesting.com/mailman/listinfo/amps
>>
>
>
More information about the Amps
mailing list