[time-nuts] need power trans. for HP3325

Bill Janssen billj at ieee.org
Sun Mar 25 19:13:18 EDT 2007


Didier Juges wrote:
> Even though you may have to be careful about noise, and assuming the 
> operating voltages are not exotic, you can probably find an 
> off-the-shelf switching supply that will fit where the transformer and 
> linear supplies were, with lots of room to spare, and significantly 
> reduced heat dissipation. I am thinking about doing that with the 5370, 
> considering how hot the rear heat sink runs.
>
> Didier KO4BB
>   
I have already looked at the space available and I think that is "do--able".

Bill K7NOM
> Bill Janssen wrote:
>   
>> In addition to my HP 5370, I am also working on a HP 3325A that needs 
>> repairing.
>> A bridge rectifiers went shorted and took out the transformer.
>>
>> So, anyone have a junk HP 3325 that has a good transformer?
>> According to HP a 9100-4099 or a 9100-4696 will work in my HP 3325.
>>
>> Meanwhile I am lashing up a couple of transformers, external to the 
>> case, to provide power.
>> It will look ugly but should work.
>>
>> Thanks
>> Bill K7NOM
>>   
>>     
>
>
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