[time-nuts] HP 106a oscillator connectors question
Oz-in-DFW
lists at ozindfw.net
Sat Jun 4 17:07:23 EDT 2016
Several have suggested that these are 10-32 connectors. If this is
true, a 10-32 nut will thread on them with no trouble. I believe these
**may** be the 1/4" diameter variant that was 93 ohm characteristic
impedance. I **think* they are called an S-93. Still 32 tpi, but 1/4"
in diameter. You can test the thread pitch with a 6,8, or 10-32 bolt.
There was another even more obscure connector that used a coarser pitch.
And before the 'not 50 ohm' firestorm starts - it doesn't matter. This
is only 6" or so of cable, the mismatch impact is miniscule at this
frequency. They were far more concerned with mechanical ruggedness.
On 6/3/2016 4:04 PM, cdelect at juno.com wrote:.
<deletia>
> Need help identifying the RF connectors on the unit.
>
> They are not SMA but look to be the same diameter. would need two
> adaptors or a couple old cables with the matching connector I could
> splice into. I had to poke in a wire and use clip leads!
>
> Cheers,
>
> Corby
>
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