[Boatanchors] Hand held frequency counters?

[Ian Wilson]

Be warned that the frequency counter input on the 259 is not protected
against
any kind of overvoltage.

73, ian K3IMW

On Fri, Jan 1, 2010 at 12:17 PM, <cemilton at aol.com> wrote:

>
>  Jim,
>  That's good news.  I've never really thought of it as a freq counter (even
> though I knew it had the input) but I will put it on the bench and see if it
> works as well as yours.  1kc to over 290mc ain't too shabby............. hi
> hi
>
> Thanks es 73 de W4MIL
> Chuck
>
>
>
>
>
> -----Original Message-----
> From: Jim Wilhite <w5jo at brightok.net>
> To: boatanchors at mailman.qth.net
> Sent: Fri, Jan 1, 2010 1:50 pm
> Subject: Re: [Boatanchors] Hand held frequency counters?
>
>
> Chuck after posting that I went out to the shack and hooked my 259B to my
> Singer
> digital sig gen.  I set the output to 0 dB and ran the frequency from 1 Kc
> up to
> over 290 megacycles and it read the frequency correctly.  Dunno, but it
> worked
> very well at 0 dB and accuracy was well within ~5%.
>
> I bought mine in 98.
>
> Jim/W5JO
>
>  ----- Original Message -----
>  From: cemilton at aol.com
>  To: w5jo at brightok.net ; boatanchors at mailman.qth.net
>  Sent: Friday, January 01, 2010 9:03 AM
>  Subject: Re: [Boatanchors] Hand held frequency counters?
>
>
>  Jim,
>
>  The 259B "manual" I have only says "The sensitivity of this port
> (freq.counter
> input) ranges from 10millvolts at 1.7 MHz to 100millivolts at 180MHz.  The
> freq.
> counter is not design (sp) for use below 1MHz."  (My experience with MFJ is
> that
> they are stingy on schematics and specifications)
>
>  I've never tried it as a freq. counter.  I use an Optoelectronics handheld
> that must be 15+ years old.  Still does a good job.  The bench counter is a
> B&K.
>
>  Happy New Year All...............
>
>  73 de W4MIL
>  Chuck
>
>
>
>
>
>  -----Original Message-----
>  From: Jim Wilhite <w5jo at brightok.net>
>  To: boatanchors at mailman.qth.net
>  Sent: Fri, Jan 1, 2010 9:24 am
>  Subject: Re: [Boatanchors] Hand held frequency counters?
>
>
> Does anyone know what the count range is for the MFJ 259B?  It is in the
> 260 dollar range and can be run with a wall wart so you would have a
> full time counter and much more.  I can't find the specs anywhere for
> the counter.
>
> Jim/W5JO
>
>
>
> >
> >
> >.
> >
>
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