[TenTec] 252mo supply

[Chris Howard w0ep]

It was pointed out to me that I should have used
a 2n5301 or 2n6258.  I'm going to go through
my junkbox and see if I have any of those.

Chris



On 2/26/2015 10:37 AM, Chris Howard w0ep wrote:
> 
> My bridge rectifier seemed to be ok.
> 
> But the big pass transistor was reading dead short
> between collector and base.
> 
> I replaced that with another 2n3055 that I had on hand.
> That seems to have done the trick.
> 
> 
> Chris
> 
> 
> On 2/9/2015 1:24 PM, Chris Howard w0ep wrote:
>>
>> Thank you Ralph!
>>
>> I hooked the Omni up to a Pyramid linear supply
>> that I have here.  I can run up to about 10 watts
>> and then the voltage sags enough to cause the frequency
>> to change.  So, I am ok if I stick to lower power.
>>
>> I'm going to dive into the 252mo supply and see
>> what is what.
>>
>> Do you think it would be better to get a switching-type
>> supply?  Should I be worried about noise on the power
>> line?
>>
>> Chris
>>
>>
>> On 2/8/2015 9:22 PM, Ralph Arnold wrote:
>>> I had the same problem with my OMNI D  the PS is bad mine blew the Bridge
>>> Rectifer and the 3055 Voltage Regulators were leaky  I also replaced the
>>> electrolytic cap it was old  Now it works like a champ  Oh BTW check output
>>> with a known good DVM and I also Scoped PS for clean power.(no 60 cy
>>> ripple. Im an old USN Aviation Tech  KD8BTQ ---Ralph
>>>
>>> On Sun, Feb 8, 2015 at 11:41 PM, Chris Howard w0ep <w0ep at w0ep.us> wrote:
>>>
>>>>
>>>> I was tuning up the antenna with my Omni-D yesterday
>>>> afternoon and everything went completely dead.
>>>> I was not high on SWR and not turned up to maximum power.
>>>>
>>>> Turning things off and on I was able to get the power
>>>> supply meter light to come on, but nothing on the rig.
>>>>
>>>> I have the light in my SWR meter hooked up to the supply
>>>> also, and that is not working.  I think the supply has
>>>> problems.
>>>>
>>>> -- later --
>>>>
>>>> I jumper the "SW" ports of the connector, plugged in
>>>> in the supply and fired it up.  Sure enough, the supply
>>>> lights up but no output.
>>>>
>>>> Any advice before I dive in?
>>>>
>>>> Chris
>>>> w0ep
>>>>
>>>>
>>>>
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