[Amps] Tl 922 mods

[Alek Petkovic]

Also see:

http://somis.org/
There's a wealth of good stuff on the TL-922 there.

  http://www.pa0fri.com/
Click on Mods and then Kenwood TL-911 modifications. It actually 
describes the TL-922.

73, Alek
VK6APK
*
*
On 29/10/2015 5:30 AM, Vic Rosenthal 4X6GP/K2VCO wrote:
> W8ZR designed a sequencer board sold by Harbach which will protect 
> your relays, amplifier and transceiver. See 
> <http://w8zr.net/QSK/index.htm>. This is the best way. Whatever you 
> do, you should read his QST article that is linked there.
>
> If you know that your transceivers provide enough time after asserting 
> key out and before producing RF, as well as a reasonable delay after 
> RF stops and before key out goes back to the receive state, then you 
> can just use a pair of vacuum relays or a vacuum relay and a reed 
> relay to replace the open frame relay in the TL922. Exactly how you do 
> this will depend on the coil voltage requirements of the relays that 
> you use.
>
> 73,
> Vic, 4X6GP/K2VCO
> Rehovot, Israel
> http://www.qsl.net/k2vco/
>
>
> On 28 Oct 2015 23:04, Arnie Pfingst wrote:
>> I have a tl 922a with 10m amp driven by a Kenwood ts 940 or Yaesu ft
>> 950 . It all works great except for the slow change over relay in the
>> amp. Im using the arb 704 interface for keying. I need a good mod for
>> the slow relay! After all this time I'm going to order the Harbach
>> soft start, and filter kit and will adjust the FIL voltage as needed.
>> Does anybody have any other ideas?ThanksArnie. Kd6cz
>>
>> Sent via the Samsung Galaxy S®6 active, an AT&T 4G LTE smartphone
>> _______________________________________________ Amps mailing list
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>>
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