[time-nuts] HP 106B quartz frequency standard...the story so far

[Max Skop]

Jim,
I have a few old Fairchild transistors that would drop right in.
They are AY9139   60V 4A  Beta ~50  PNP Si.   Much the same as 2N1701. 
Let me know and I'll pop some i the post.

Max       VK3YBA

----- Original Message ----- 
From: "Jim Palfreyman" <jim77742 at gmail.com>
To: "Discussion of precise time and frequency measurement" 
<time-nuts at febo.com>
Sent: Saturday, 08 August, 2009 6:52 PM
Subject: Re: [time-nuts] HP 106B quartz frequency standard...the story so 
far


> 2009/8/7 David C. Partridge <david.partridge at dsl.pipex.com>:
>> I'c curious, what is so strange about the pass xistor in the PSU that you
>> can't replace it?
>
> Getting one.
>
> So far I've found places with $300 minimum buys.
>
> However, as I write I can get one for $30 including postage to
> Australia. Still expensive.
>
> Unless anyone has a 2N1701 lying around?
>
> Regards,
>
> Jim
>
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