[ARC5] Minimum test equipment

[John Hutchins]

John -
Yes you are correct  my beef is that it is "modern" technology  and I 
would think that  it would be able to lock in on the 1Khz step 
increments, with the adjustment thumb wheel.  In particular trying to 
hit 915Khz is a pain on the low end, amazingly the high end anything >= 
10, of both the low and high bands I can adjust and hit 1Khz.  Yes it 
does drift,  I should have been more descriptive on my observations.

Hutch

On 2/21/2012 5:56 PM, J. Forster wrote:
> Errrr....  The HP 8601A is a Sweep Generator, not a Signal Generator. It
> is designed to be the source for the 8407A Vector NMetwork Analyzer. IMP
> it's a nice little generator.
>
> However, stability of all Sweep Generators in poor. The only exception is
> the step-sweep synthesizers.
>
> -John
>
> ===============
>
>
>> All -
>>
>> Ditto !  Very stable instruments - they make the HP8601A's look bad,  I
>> have 2 HP8601A's in working condition and the the (LM-13's and the
>> BC-221-AK's) 2 each are by far more stable even on the low end.   The
>> HP's drift all over the place;  I set the FREQ MTRS to calibrate
>> setting, can hardly get the HP8601A's output signal to lock on to the
>> cal signals and Zero beat.
>>
>> Hutch
>>
>>
>> On 2/21/2012 11:19 AM, Kenneth G. Gordon wrote:
>>> As John said, a BC-221 and a good VOM are a good starting point.
>>>
>>> I have two BC-221-AKs and use them routinely to align receivers by
>>> setting
>>> one at the top end and one at the bottom end of the band I am aligning.
>>>
>>> One interesting thing about the BC-221: they were designed over 70 years
>>> ago, and are STILL valuable and useful to this day. There are always
>>> several
>>> for sale on eBay at prices ranging from the totally ridiculously high to
>>> amazingly low. The three versions which include modulation are the most
>>> useful of the many models. These include (if I remember correctly) the
>>> AK,
>>> AL, and AM models.
>>>
>>> ALL LMs include modulation, and those usually sell on eBay for even less
>>> than the '221 since many sellers don't know what they are.
>>>
>>> Yet, IMHO, a decent scope is possibly the very best tool any electronic
>>> shop
>>> could have.
>>>
>>> And for alignment of receivers, a sweep generator is indispensible.
>>>
>>> Ken W7EKB
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>
>