[time-nuts] "Vanguard Ultra precision Golden Oscillator"

[Don Latham]

Gee whatever happened to slipping it out of the ol' FT holder and rubbing with
a little toothpaste?
<g> Don

Bob Camp
> Hi
>> On Aug 23, 2015, at 10:29 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
>>
>>
>> kb8tq at n1k.org said:
>>> There is not a lot to an un-compensated crystal oscillator. Tuning it on
>>> frequency is fairly simple. Even for odd  frequencies Mouser will happily
>>> sell you a crystal for next to nothing. Toss in a handful of parts and you
>>> have a very respectable oscillator. For a basement project … much better
>>> than spending $40 on something suspect from who knows who.
>>
>> What's magic about a crystal as compared to an osc?  Is it really easier to
>> get an odd-ball frequency in a crystal vs an osc?
>
>
> When I do a Mouser search for frequencies in the range I mentioned, the number
> of frequencies is pretty small. If I switch over to looking at crystals at
> Mouser, the
> frequency choices are a lot greater. Yes, as with the oscillators you need to
> sort out
> the ones that aren’t going to cut it.
>
> To your point - no, you can’t get anything / any frequency through
> distribution. That’s
> true both of oscillators and of crystals. You just more picks with the
> crystals.
>
> Bob
>
>>
>> The last time I bought a special frequency osc was over 10 years ago.  Once
>> I
>> found the right company, things were simple.  I don't remember the price.
>> At
>> the time, it seemed reasonable, but that was for a commercial project rather
>> than a basement lab.
>>
>> Do those companies still exist or have they all fallen through the cracks of
>> higher volumes and lower prices.
>>
>>
>> --
>> These are my opinions.  I hate spam.
>>
>>
>>
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-- 
"If you don't know what it is,
don't poke it."
Ghost in the Shell
-------------------------------
"Noli sinere nothos te opprimere"

Dr. Don Latham, AJ7LL
Six Mile Systems LLC, 17850 Six Mile Road
Huson, MT, 59846
mailing address:  POBox 404
Frenchtown MT 59834-0404

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