[Heathkit] hd-1410 to icom 735 {01}

Bruce Barley kb0pzd at HOTMAIL.COM
Sun Aug 5 12:18:54 EDT 2001

Hi to Bob and the list -

I have my HD-1410 running my TenTec Century XXI and also my Triton II. And
here's what I did to interface:  I spent $1.69 and bought a tin of Altoids -
  of course I did have to dispose of the contents, first.  Darn!  But then I
installed 3ea. RCA style connectors, one in the front edge, and the
remaining two along the edge with the hinge.  I had a 12v. reed relay and I
used a 2N2222 transistor, a 10K resistor, and a 1N5001 diode connected
across the relay coil as a snubber.  The plug in front is connected to the
output from my HD-1410.  One plug in back is 12VDC input (from aux 12V. from
rig) to power the interface, and the other plug is the relay contacts and
connects to the KEY input on my rigs.  This way, there are NO MODS to my
HD-1410.  The interface is compact, portable, quiet, cheap, and allows me to
use my favorite keyer on ANY rig I own.  My CW is about 20 wpm, so I have
not really pushed the circuit any, but it works for me!  Your results may
vary.  Best wishes and 73's .

Bruce KB0PZD
kb0pzd at hotmail.com

>From: lobo95 at webtv.net (Bob & Lori VanRhee)
>To: "Heathkit List Member"  <kb0pzd at hotmail.com>
>Subject: [Heathkit] hd-1410 to icom 735 {01}
>Date: Sat, 4 Aug 2001 16:04:07 -0500 (CDT)
>any tips on hooking up a hd1410 to an icom 735. it looks like someone
>has wired a shielded wire to the dot,dash and ground. what about r27 and
>d5 do they need to be jumpered. i run a sb200, sa 2040, sb610 and dual
>power meter. the keyer completes the accessories. tnx bob n8las.

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