[time-nuts] SMD TADD-1 distribution amplifier

Bob Camp kb8tq at n1k.org
Fri Dec 18 19:13:43 EST 2015


Hi

Well, if you are going to the angular ring microwave capacitors, you might as well go to the 
whole tubular filter approach to building the decoupling structure. The real question is if 100 GHz
is a high enough frequency to consider or if you need to go higher….

Bob

> On Dec 18, 2015, at 6:56 PM, Chris Caudle <chris at chriscaudle.org> wrote:
> 
> On Fri, December 18, 2015 4:50 pm, Bruce Griffiths wrote:
>> On Friday, December 18, 2015 12:27:33 PM Charles Steinmetz wrote:
>>> It is perfectly possible to ground coax connector bodies at RF
>>> without grounding them at power-line frequencies
> 
>> Something like an annular ring capacitor that insulates the BNC body from
>> the chassis whilst capacitively shorting it to the Chassis at RF ??.
> 
> Yes, exactly what I was referring to previously when I mentioned the
> telecom solution to this problem.
> 
> I have an Amp connector in my parts bin with this style of connection, but
> it doesn't have a full part number printed so I can't find the drawing.
> 
> I believe this Amp patent from 1990 may refer to the method of assembling
> such a connector:
> http://www.google.com/patents/US5062811
> 
> -- 
> Chris Caudle
> 
> 
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