Thanks Eric for the nice detailed message. Gives me a good place to begin.
-Tim
www.ldservice.com/tim/tim
Eric Lemmon <[EMAIL PROTECTED]> wrote:
__________
>Tim,
>
>My preference is a matched pair of coaxial cables, 1 meter long, made
>with RG-400/U (not RG-142/U!) double-shielded cable. Each end to have
>crimped, silver-plated (not nickel-plated) "N" male connectors with
>gold-plated center pins and Teflon dielectric. The crimp ferrules shall
>be reinforced with two nested layers of adhesive-coated shrink tubing
>for strain and flex relief.
>
>When carefully constructed and characterized with a network analyzer,
>these cables ensure that duplexer, isolator, cavity, and filter tuning
>can be accurate and repeatable. The double shielding ensures that any
>duplexer or cavity tuning done at a repeater site is not going to suffer
>interference from a high-RF environment. The use of premium-quality
>crimped connectors ensures that impedances are constant. Of course,
>EP-10 plastic dust plugs are inserted into the connectors during
>storage, to maintain cleanliness.
>
>73, Eric Lemmon WB6FLY
>
>[EMAIL PROTECTED] wrote:
>
>> I want to build the ultimate set of test cables for working with
>> repeaters and tuning duplexers. What are your recommendations?
>> --
>> -Tim
>>
>>
>>
>>
>>
>>
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