On Jul 16, 2006, at 10:40 PM, Bernard Gaffney wrote:
Does the K2 use Positive or Negative keying voltage
when keying CW via external keyer? Just curious, as
the WinKey Keyer (non-HV USB version) is only capable
of keying positive voltages up to 50VDC, and is not
compatible with XMTR's that use
Ignore last message -- an oops. Hit wrong key and sent
it before I meant to. SORRY!
Does the K2 use Positive or Negative keying voltage
when keying CW via external keyer? Just curious, as
the WinKey Keyer (non-HV USB version) is only capable
of keying positive voltages up to 50VDC, and is not
It's +5.6 VDC open circuit to ground and the keying circuit needs to sink
less than 1 mA to key the transmitter.
Ron AC7AC
-Original Message-
Does the K2 use Positive or Negative keying voltage
when keying CW via external keyer? Just curious, as
the WinKey Keyer (non-HV USB version) is
Bernie;
Winkey works just fine with the K2. Just hook it up. You should
follow the connection diagram shown in the K2 manual, either
connecting tip and the small ring together or using two 1N4148 diodes
on each side to make sure the two circuits get shorted to ground at
the same time.
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