[Elecraft] Roofing Filters

Bob K2TK at att.net
Thu Jun 22 15:12:42 EDT 2017


Hi Wayne,

         Could you elaborate on "dynamic range" in crystal filters?  A quick 
search did not yield a definition.  A SWAG might be another term for ultimate 
rejection or it with ripple in the passband...

         Just curious.

73,
Bob
K2TK ex KN2TKR (1956) & K2TKR


On 6/22/2017 12:54 PM, Wayne Burdick wrote:
> Yes. We screen every INRAD filter. Those that don’t meet our dynamic range targets are rejected.
> 
> Wayne
> N6KR
> 
> 
>> On Jun 22, 2017, at 9:46 AM, Vic Rosenthal <k2vco.vic at gmail.com> wrote:
>>
>> I recall Wayne saying that Elecraft tested filters received from INRAD for some specific performance characteristics. I don't remember the details.
>>
>> Vic 4X6GP
>>
>>> On 22 Jun 2017, at 17:14, Clay Autery <cautery at montac.com> wrote:
>>>
>>> INRAD makes Elecraft's filters as I understand it...
>>>
>>> I'll be getting mine from Elecraft directly.
>>>
>>> ______________________
>>> Clay Autery, KY5G


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