STOP; DO NOT DO ANYTHING YET!
"ASSUMPTIONS" are very dangerous.
Connecting the Eagle to an original SB-200 will damage the Eagle; specifically
blow out its open-collector Amp-Key circuit.
Please find out EXACTLY what has been modified in the radio.
Best is if you can show us a circuit.
There are several good mods floating around, but I wouldn't risk someone else's
word, especially if they said it ‘should’ work.
Assuming the keying circuit inside of the SB-200 has been modified to be keyed
with 12 v.d.c., then a simple connection will suffice to key up the amp….but as
Rich has correctly pointed out, [for CW and some digi modes, or VOX operation
in SSB], you MUST add time-sequence keying.
Before we go into elaborate detail on this, please let us know if you will only
be operating SSB with PTT, or using any of the other modes listed above.
73,
Rick, DJ0IP
(Nr. Frankfurt, Germany)
May the Sunspots be with us!
-----Original Message-----
From: TenTec <tentec-bounces+rick=dj0ip.de@contesting.com> On Behalf Of Richard
Wagner via TenTec
Sent: 25 February 2020 15:31
To: tentec@contesting.com
Cc: Richard Wagner <richardmccay@icloud.com>
Subject: [TenTec] Eagle and Heath SB-200 Amp
OOppps…….
I forgot to mention in mu post for connecting my Eagle to the Heath SB-200, The
Amp Has a keying interface installed, and I assume the connection from the
Eagle would plug into the RF Input jack on the amp.
Rich Wagner
K4MZE
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