[time-nuts] HP 58516A GPS distribution amplifier information

[Bob Camp]

Hi

I found a SMC-BNC adapter of the correct orientation in the bottom of my junk box. Somehow I doubt I'll ever use it for anything else. BNC cables and jacks are something I can find easily. 

The top of the unit is held on with screws so getting inside it should not be very hard. You could swap the SMC out to something that's more common for power distribution. Maybe an APC-7 ...

My guess is they used the SMC because it's unusual. That way you don't get a cable with 30 VDC on it hooked where it shouldn't go. If you did run a 30 volt supply the dc could do some damage. Of course 30 volts on that unit connected to a "normal" antenna would do some damage as well. 

Bob


On Jan 27, 2010, at 1:14 AM, SAIDJACK at aol.com wrote:

> I recommend un-screwing that SMC since it is almost impossible to find the  
> mate, and feeding two wires from a 5V supply into the unit through the 
> hole, and  soldering the wires to the PCB. Works well for me.
> 
> bye,
> Said
> 
> 
> In a message dated 1/26/2010 18:36:18 Pacific Standard Time,  
> bruce.griffiths at xtra.co.nz writes:
> 
>> I'm  using an HP 58516A GPS distribution amplifier to share my GPS 
>> antenna  between my receivers.
>> 
>> What is the proper part number or  connector "name"  for the power 
>> supply connector  ?
>> 
>> Thanks for your help !
>> 
>> Claude
>> 
>> 
> According to the datasheet option 05 uses an SMC  connector for the  power.
> 
> Bruce
> 
> 
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