[amsat-bb] Looking for 8.8125 MHz xtal

Zach Metzinger zmetzing at pobox.com
Thu Jun 1 13:36:13 UTC 2017

Hello all,

I'm slowly working through my backlog of projects, and I found the MMDS
LNB that I'd planned to use for AO-40. I'm hopeful that we'll 
eventually have another 13cm transponder and I'd like to find the 
requisite 8.8125 MHz crystal for the LO conversion.

ICM did respond to my inquiry, so they're not totally out of business
yet, but they don't have it anymore.

Does anyone have a spare crystal they'd care to part with for a 
nominal price?

Specs from one of the webpages:
> Crystal Update Information                                                    
>     The original crystal has been analyzed by International Crystal.  A       
+replacement crystal should have the following characteristics:                 
>         The crystal is in a HC-49U holder                                     
>         33 pF load capacitance                                                
>         Accuracy of 10ppm at room temp and 10ppm -30 to 60 celsius.           
>         Frequency = 8.8125 MHz for a 145 MHz IF output                        
>     The specification number at Internaltional Crystal Mfg. is                
> EX49AF320119.  Their catalog number is #525345, 8.8125 MHz   


--- Zach

More information about the AMSAT-BB mailing list