[time-nuts] China Oscillator Alternative
kb8tq at n1k.org
Thu Nov 10 07:43:08 EST 2016
Unless we are talking about something completely different ….
The Z3812’s have a *lot* of information back in the archives. Just about
anything you would want to know is buried in there. Just like “back then”
they still are new in the box / old stock. You aren’t buying something that
has sat out who knows where for who knows how long ….
> On Nov 10, 2016, at 4:04 AM, Gerhard Hoffmann <dk4xp at arcor.de> wrote:
> Am 10.11.2016 um 07:02 schrieb Ed Armstrong:
>> These have 10Mhz & 15Mhz out, which frequency is the OCXO?
> A 5 MHz MTI-260
> See the text I linked to a few days ago.
>> On 11/9/2016 7:18 PM, Perry Sandeen via time-nuts wrote:
>>> After all the problems that Bob Camp has noted with surplus OCXO's from China, perhaps buying the new Lucent units on Ebay may save bad words and/or unhappy actions.
>>> LUCENT/SYMMETRICOMKS-24361 L101, Z3812A, RFTG-U REF-0 UNIT -CASE OF 2 EACH
>>> $80 So for about $50 each delivered one has two brand new units that are already in a chassis so with just a simple lap top computer PS one is on the air.
> Someone here gave a hack to use the negative output of the RS422.
> That works nicely with a HAMA USB to RS232 cable. For the pinout
> converter I simply cut off the cable from an old Logitech mouse.
> Then half of the work is already done. Just solder the plug to
> the Lucent.
> Does that mean there is new supply? I did my best to dry up
> the last wave of non GPS units :-)
> regards, Gerhard
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