[time-nuts] ID this filter

Pete Lancashire pete at petelancashire.com
Fri Feb 21 21:39:14 EST 2014


I contacted K&L, either they no longer have the specs or didn't want to
bother type reply

-pete


On Fri, Feb 21, 2014 at 6:25 PM, Jim Lux <jimlux at earthlink.net> wrote:

> On 2/21/14 5:37 PM, Scott McGrath wrote:
>
>> It may be a downconverter rather than a filter some GPS time systems
>> notably ones by true time used an active down converter to transform signal
>> to baseband for long cable runs.   Voltage to converter was rather high as
>> I recall
>>
>> Sent from my iPhone
>>
>>  On Feb 21, 2014, at 6:21 PM, Pete Lancashire <pete at petelancashire.com>
>>> wrote:
>>>
>>> https://plus.google.com/u/0/photos/111617808980322733757/
>>> albums/5982995737892775185
>>>
>>> Any have the specs ?
>>>
>>
> I read the part number as
>
> X6L114-X400-N/N
>
> It's obviously a "special" since K&L usually uses letters like B for
> bandpass filters and L for low pass, but the X means something. Assuming
> this is a low pass..
>
>
> The N/N is the connectors
>
> the 6 is the number of sections
> L is the "low pass"
> the 114 is the size, but 114 is not a standard tubular filter size (110
> is, and is comparable to what you've got.. more than an inch in diameter,
> and 200W power handling)
>
> the 400 is the cutoff (400 MHz)
>
> But I'd send them an email.. they'll look it up and tell you
>
>
>
>
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