[time-nuts] Re: Data collection cycle -- multiple sources to one counter?

Alberto di Bene dibene at usa.net
Tue Jun 21 12:36:58 EDT 2005


Chuck Harris wrote:

> Alberto di Bene wrote:
>
>> Does anybody know what the HP 59307A uses ? It can switch from DC to 500
>> MHz and the measured DC resistance is on the order of 0.2 ohm. Looking
>> into the unit reveals that the switching device is shaped like a fat IC,
>> thermally coupled with the back panel.
>>
>> 73  Alberto  I2PHD
>
>
> Sounds like a dip packaged reed relay.
>
> -Chuck

It could be, but does it exist a reed relay with 4 positions ? The two
switches in the 59307A are single pole, 4-way each.

73  Alberto  I2PHD
 





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