[Amps] Tl 922 mods

Jim W7RY w7ry at centurytel.net
Thu Oct 29 00:09:29 EDT 2015


My TL922 QSK boards are here:

http://www.ebay.com/itm/281841972718?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649


Based on the Richard Measures info.
73
Jim W7RY


-----Original Message----- 
From: Alek Petkovic
Sent: Wednesday, October 28, 2015 3:16 PM
To: AMPS
Subject: Re: [Amps] Tl 922 mods

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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-- 
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http://www.qrz.com/db/vk6ap

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