[time-nuts] Don't use cheap cables -- a cautionary tale

[Volker Esper]

RG-223 fits with Telegaertner J01000B0608 (Solder), Buerklin 78F201
or Rosenberger 51S107-108N4 (Crimp)
(straight plugs BNC)
H155 fits with Telegaertner T00100B3300 N Crimp)
...



Am 03.03.2013 19:50, schrieb Henk ten Pierick:
> Hi,
>
> The use of double shielded cables does raise the question to what type of connectors to use?
>
> Regards,
>
> Henk
>
> Op 3 mrt. 2013 om 17:30 heeft Jim Lux<jimlux at earthlink.net>  het volgende geschreven:
>
>    
>> On 3/3/13 8:00 AM, Kevin Rosenberg wrote:
>>      
>>> On Mar 3, 2013, at 7:59 AM, John Ackermann<jra at febo.com>  wrote:
>>>        
>>>> Lesson learned -- use only double-shielded cable in the oscillator rack (and in any RF measurement path) from now on.
>>>>          
>>> I've learned that lesson as well. John Miles said that RG-58 is occasionally referred to as 'soaker hose'.
>>>        
>> RG-58 (which by the way, is a spec that officially no longer exists as part of MIL-C17-28, ditto for RG-8, RG-213, etc. The military apparently doesn't use PVC insulated wire any more.) comes in myriad forms all of which bear a passing resemblance to each other.  (leaving aside the RG-58A, RG-58, RG-58C differences).
>>
>> The term seems to be used for any 50 ohm single shield coax that's about 0.20 inch in diameter with solid polyethylene insulation. You really need to look at the specific model number to know what the shielding looks like. It could be anything from a  very loose weave of thin copper strands to something nice and dense.
>>
>>
>>
>>
>>
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