[Heathkit] [Amps] DX-100B CW Keying

[Larry Knapp]

 Ron - The DX-100 or DX-100B schematics will not be reflective of any modifications authorized by Heath Co.  The keying circuit you mentioned are in bulletins issued by Heath.  I have included some of these.  If you have already seen these then just delete the email.  I have had my DX-100B since 2000.  I hope what I have attached will assist you.  73, Larry KC8JX

    On Saturday, January 1, 2022, 10:47:53 AM EST, Ron W4BIN <ka4inm at gmail.com> wrote:  
 
    On 1/1/22 1:27 AM, Victor Rosenthal wrote:

> I think the DX100B is different from the original DX100. But what do you
> care? You can measure the voltage, the polarity, and the current with
> your VOM. That's all you need to know.

   I looked through all of my DX100 information and none of the
schematics were labeled DX100B, so I downloaded a schematic
labeled DX100B and the keying circuit is identical to the non "B" version.

  Allegedly the only difference between the non B version from
the B version is the case (has a lid) and the loading capacitor,
but I am with Victor, that bit of wisdom can't be trusted completely.

-- 
    Ron  W4BIN - Understanding is much better than
                                      knowing how.MX

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