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Sets, Parts and Service Information Wanted (private buyers only, no swaps) If you need help obtaining components, sets or equipment, post a message here. Private buyers only - no traders. No swaps.

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Old 27th Nov 2020, 12:53 pm   #1
g0hze snowy
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Default Wanted ovenised crystal module for Racal Dana 9916.

Hi All
Has anybody got a 5mHz ovenised crystal module for Racal-Dana 9916 for sale.
condition and price posted to Peterborough Cambs please, ta, snowy g0hze
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Old 27th Nov 2020, 4:41 pm   #2
Pamphonica
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Default Re: Wanted ovenised crystal module for Racal Dana 9916.

Something like this? If so. PM me.
I've stuck 5V on it and it's giving a healthy 5MHz out, about 0.5V p-p, drawing about 100mA.
It's 2 ins cubed so is probably the Model 9442 ovened osc.
-Jeremy
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Last edited by Pamphonica; 27th Nov 2020 at 5:08 pm.
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Old 27th Nov 2020, 5:29 pm   #3
g0hze snowy
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Default Re: Wanted ovenised crystal module for Racal Dana 9916.

Hi Jeremy, i have no idea what it looks like as i have just the standard 5mhz rock and trimmer in mine.
It looks like your one has to fit in a valve holder or something similar, so i don't know, the outputs appear to be fine.
i would pm you but i don't know how to.
Snowy
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Old 27th Nov 2020, 5:33 pm   #4
HamishBoxer
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Default Re: Wanted ovenised crystal module for Racal Dana 9916.

Just click on Pamphonica and send message.
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Old 27th Nov 2020, 7:45 pm   #5
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Default Re: Wanted ovenised crystal module for Racal Dana 9916.

The manual lists a 9442 or 9421 as an optional crystal oven, with a note that the 9421 can't be used if the battery option is fitted, the standard frequency ref is a 11-1254 board.

David
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Old 27th Nov 2020, 10:32 pm   #6
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Default Re: Wanted ovenised crystal module for Racal Dana 9916.

I replaced a broken one in a 9915 with a modern one. See details here. Should be about the same level of effort:

https://www.eevblog.com/forum/testge...cal-9442-ocxo/
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