[Boatanchors] HP 606 vs. 608

[Jack Taylor]

I too have been contemplating a VFO for the '610.  Noticed an add for a 
direct digital VFO
at www.wa1ffl.com that possibly could be packaged inside a '610 tuning unit. 
Donno if it
is feasible or not but worth a thought.

Jack - N7OO

----- Original Message ----- 
From: "Barrie Smith" <barrie at centric.net>
To: <boatanchors at qth.net>
Sent: Wednesday, February 11, 2009 4:44 PM
Subject: Re: [Boatanchors] HP 606 vs. 608


>I have a 606A.
>
> I've been thinking of using a small rice-box as a VFO for my HT-4B/BC-610.
>
> I wonder if the 606A would work well as a VFO for the transmitter?
>
> I would be feeding the output of the 606A into the crystal socket on the
> tuning unit.
>
> Any thoughts?
>
> 73, Barrie, W7ALW
>
> ----- Original Message ----- 
> From: "James A. (Andy) Moorer" <jamminpower at earthlink.net>
> To: <boatanchors at qth.net>
> Sent: Wednesday, February 11, 2009 4:08 PM
> Subject: Re: [Boatanchors] HP 606 vs. 608
>
>
>> Indeed, if you want something that works and works reliably so you don't
>> have to fiddle with it too much, you probably want a modern transistor
>> signal generator (or any other kind of test equipment). On the other 
>> hand,
>> if you want something that looks really cool and has that great
>> "ker-chunk"
>> when you switch bands, the 606 and 608 (and 612 and several others) are
>> definitely for you.
>>
>> Plus, they tend to put out a lot more signal power than a lot of
>> transistor
>> equipment. These devices have both an AM and an FM input - you could
>> actually use either one as an exciter.
>>
>> Note that both of these generators drift - the frequency is not as stable
>> as
>> it should be. HP made a synchronizer (the 8708A) that fixed all that. 
>> With
>> the synchronizer, they are rock-solid and stable. These synchronizers are
>> also widely available on a "take it before the XYL throws it out" basis 
>> as
>> well.
>>
>> James A. (Andy) Moorer
>> www.jamminpower.com
>>
>>
>>
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>
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