What application do you want the filter for? I have a DCI 146-4H that was
recently tested on a network analyzer. This filter starts to roll off around
144 MHz and has slightly higher insertion loss, and slightly lower return loss
at 144.2 than I would like. It also passes 432 MHz, so would be of little use
in keeping a 432 signal out of your 2m preamp or front end. The sweep shown on
the DCI website only goes to 166 MHz.
73,Dave AA9D
On Sunday, January 22, 2017 6:21 PM, Tom <k8tb@bosscher.org> wrote:
Sean,
Look at OCI. I believe this was the guy who started DCI, then sold it,
then started up his own company.
http://www.ocicom.com/index.php/amateur-radio/products/2-meter-bandpass-filter
Tom K8TB
On 1/22/2017 2:37 PM, Sean Waite wrote:
> Hi all,
> Does anyone know of a decent 2m bandpass filter that can be left inline on
> transmit with 100W? I see them for 6m and below, but not 2m.
>
> I've found this: http://www.antennas-amplifiers.com/2m-100W-Bandpass-Filter
> but
> was hoping for something a smidgen cheaper. If there isn't one, I guess
> I'll go that route.
>
> Thanks!
> Sean WA1TE
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>
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