[Scanner] Re: notch filter

Mon, 13 Jan 2003 00:27:23 +0100

You could use a 1/4 wave stub filter that notches some
incredible 30-40dB on a single frequency and will cost
you practicly nothing. A HAM guy could probably help
you make and tune one to your pager frequency.

Ubbe.

refmon wrote:
> 
> Hi,
> 
> I just had an ebay auction for a tuneable trap that did not sell.  Can you
> tell me the pager frequency?  I'll sweep/noth here in my lab and tell you
> what this item could do for you if you're interested.  Be aware, it's a
> piece of CATV gear and is 75 ohms, but that makes very little if any
> noticeable difference.
> 
> John Collins
> __________________
> ----- Original Message -----
> From: "Scott Millick" <[email protected]>
> To: <[email protected]>
> Sent: Sunday, January 12, 2003 11:28 AM
> Subject: [Scanner] notch filter
> 
> > I have a nearby paging freq that is a problem when it overloads my
> scanners
> > on VHF. Is there anywhere that a notch filter for one freq can be
> purchased?