Hi

Probably both cheaper and easier to plug it into a TBolt …. Not as portable though.

Bob

On Aug 26, 2013, at 11:42 PM, Raj vu2zap@gmail.com wrote:

On 27 August 2013 04:42, Raj vu2zap@gmail.com wrote:

I've noticed one seller on eBay who is selling "seller refurbished"
test equipment where he has put rubidiums in them. I'm not sure what
sort of equipment it was though.

I have an 18 GHz HP 5342A frequency counter, which I don't seem to see
a lot, as members of my radio club borrow it. But it  has no oven.
There is an option for an oven, but my model does not have the
optional oven fitted. I don't know if it would take a 10811A - if so I
might fit one, since I have a spare of them around.

Dave

When the 10811 was being designed, the prime directive was that it
had to be retrofittable into any 10544 socket.  (Note that the
converse is not necessarily true.)  Therefore you should be able
to install a 10811 in an old counter, if you have the infrastructure
that fitted the 10544.  IIRC, the 5342 came out in the 1970's before
the 10811.

Rick Karlquist
N6RK

On Wed, Aug 28, 2013 at 9:30 AM, Richard (Rick) Karlquist <
richard@karlquist.com> wrote:

In the 5342A the 10544A was option 001.  Installing it is just a matter of
removing the TCXO, plugging the OCXO in and securing it with a couple of
5/16" 6-32 screws in.  The hardest part is probably finding the right
screws.  The 'infrastructure' is already there.

Orin.

Option 001 for the 5342A did use a 10544A which looks like it just plugs
into the same socket as the standard oscillator.  As Rick says, the
10811 will also work.

David

On 8/28/13 12:30 PM, Richard (Rick) Karlquist wrote: