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

Bob Camp kb8tq at n1k.org
Mon Aug 24 07:14:58 EDT 2015

> 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. 


> 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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