[Milsurplus] Crystal Oscillators

[Al Klase]

Peter,

I kinda suspected that programming could be done with an Arduino, but 
haven't stumbled onto the details.  Can you point us in the right direction.

Are all of these oscillators one-time-programmable or are there 
reprogrammable versions?

Do you have a favorite?

VY 73,
Al

On 4/9/2019 2:04 PM, Peter Gottlieb wrote:
> I have the Microchip development hardware and IDE but have had trouble 
> getting it all to work consistently. The Arduino setups, on the other 
> hand, have always worked flawlessly.
>
>
> Peter
>
> On Apr 9, 2019, at 2:00 PM, Ian Wilson <ianmwilson73 at gmail.com 
> <mailto:ianmwilson73 at gmail.com>> wrote:
>
>> Microchip's PIC processors give amazing bang for the buck and the 
>> programming
>> hardware is very cheap. You can program them either in-circuit or use 
>> sockets for
>> the CPU and the programmer. There used to be cheap AD9851 modules on 
>> eBay,
>> these days might have to look at the AD9833 or Si5351a.
>>
>> I haven't looked for specific projects but I'm sure they are out 
>> there. (Many of them
>> are probably Arduino, etc; I just prefer PICs because I've used them 
>> for years and
>> I'm very cheap :) ).
>>
>> No connection, etc.
>>
>> 73, ian K3IMW
>>
>>
>>
>> On Tue, Apr 9, 2019 at 8:09 AM <k2cby at optonline.net 
>> <mailto:k2cby at optonline.net>> wrote:
>>
>>     I realize that custom-made traditional quartz crystals are
>>     unobtanium at any reasonable cost.
>>
>>     My eye was attracted to the wide variety of solid state
>>     programmable oscillators that were available for less than five
>>     bucks a pop.
>>
>>     They seem to have stability comparable to old fashioned quartz
>>     and cover a range from something like 10 kHz to better than 50 MHz.
>>
>>     The only problem is that they have to be programmed, and the
>>     programming hardware costs somewhere around $250 – not practical
>>     to program a couple of oscillators to serve as USB and LSB BFOs.
>>
>>     Does anybody know of a vendor who will pre-program these little
>>     bugs at the time of purchase or a programming service where I can
>>     send one to be programmed for a few bucks?
>>
>>     /Miles, K2CBY
>>
>>     Miles B. Anderson, K2CBY
>>     16 Round Pond Lane
>>     Sag Harbor, New York 11963-3821
>>     Phone: (631) 725-4400
>>     FAX: (631) 725-2223
>>
>>     e-mail: k2cby at optimum.net <mailto:k2cby at optimum.net>
>>
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-- 
Al Klase – N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/

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