[Elecraft] K3s question

Tue May 19 10:41:32 EDT 2015

Eric,

If the filters are the same, then I would guess that the sub rx from a
K3 will feel at home in a K3s.

Is that correct?

Amateur Radio Operator 
N5GE

On Tue, 19 May 2015 05:49:39 -0700, you wrote:

>2.7 kHz 5-pole. ( The same as the original K3).
>
>The DSP filter cascades after the crystal filter and can go down to 50 Hz.
>
>73,
>
>Eric
>elecraft.com
>_..._
>
>
>
>> On May 18, 2015, at 9:49 PM, Robert Wood <woodr90 at gmail.com> wrote:
>> 
>> Wayne -  in K3s - what's the standard filter(s) that come with the rig???
>> 
>> W5AJ Robert
>> 
>> -----Original Message-----
>> From: Elecraft [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Wayne
>> Burdick
>> Sent: Friday, May 15, 2015 5:22 AM
>> To: Jack Brindle
>> Cc: Elecraft List
>> Subject: Re: [Elecraft] K3s question
>> 
>> To ensure compatibility with existing stations, we supply an adapter cable
>> with the K3S to convert from RJ45 to DE9. The DE9 end has the same pinout as
>> the original RS232 jack on the K3.
>> 
>> Wayne
>> N6KR
>> 
>> ----
>> http://www.elecraft.com
>> 
>>> On May 15, 2015, at 1:17 AM, Jack Brindle <jackbrindle at me.com> wrote:
>>> 
>>> Not quite true. The EI232 spec as it is now called does indeed define the
>> connector and pinouts in addition to signals and levels.
>>> There are definitions included for DB-25, DE-9, RJ-45 and maybe a few 
>>> others. Few vendors meet the entire spec, usually leaving out a few 
>>> handshake signals. But, this still allows them to claim spec compliance as
>> long as the signal levels meet the spec requirements.
>>> 
>>> RJ-45 serial ports have been shipped by a large number of vendors,
>> including Sun Microsystems, HP and others.
>>> 
>>> - JackB, W6FB
>>> 
>>>> On May 14, 2015, at 9:50 PM, David Christ <radioham at mchsi.com> wrote:
>>>> 
>>>> The of an RJ-45 jack for a serial port is hardly innovative nor new.
>> Lantronix has been using them for well over 15 years.  I will be interested
>> to see if Elecraft uses the same pin assignments.
>>>> 
>>>> Remember, RS-232 is not a physical connector specification.  It defines
>> the signals.
>>>> 
>>>> David K0LUM
>>>> 
>>>> 
>>>>> On May 14, 2015, at 11:10 PM, Don Wilhelm <w3fpr at embarqmail.com> wrote:
>>>>> 
>>>>> That is an RJ-45 jack.  Even though the RJ-45 jack is also used for
>> Ethernet, the fact that an RJ-45 jack is present does not state (or even
>> imply) that it is an Ethernet connection - it is simply a compact 8 pin
>> jack.
>>>>> 
>>>>> 73,
>>>>> Don W3FPR
>>>> 
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