The SLMODKX3 jumper module for using the Signalink USB with a KX3 or KX2,
has a DC blocking capacitor built in.
Can anyone tell me where it is in the circuit and a value? It eliminates
turning off the mike bias in the menu when using the Signalink USB. I am
just using jumpers and would like to put
If you look at the jumper configuration in Fig 2 & 3 of the Signalink
USB documentation, you can insert the capacitor, in place of the
jumper, between the MIC pin on JP1 and the corresponding Mic Input
terminal on JP1. A 0.1 mfd 50 V disk ceramic should be very
adequate. That will block th
FWIW... you don't need a signalink to connect the KX3 for digital modes.
All you need is the KXUSB cable for CAT control (& PTT), and 3.5 cables
for the MIC and PHONO jackts to the Line out/speakers and line in on the
computer.
Very simple, and no having to worry about switching about jumpers or
Yes, but you still must turn OFF bias and BTNS.
This arrangement works very well. I like to put a spitter in the phones jack
with one end to computer the other for ear buds so I can monitor the radio
audio. Elecraft still hasn’t added a feature to have phones plus speaker as in
the K-Line.
S
The Signalink USB has a monitor jack. Thus one can plug in headphones on the
back of the unit. And using a 0.1 cap in place of the internal jumper in the
unit eliminates the need to turn off bias.
Seems all of your concerns are resolved.
Bob, K4TAX
Sent from my iPhone
> On Jun 9, 2019, at
Why must you turn them off ... I've not touched either, and have no
problems with digital modes. I also use a USB soundcard to keep
computer sounds separate.
In DATA A, the MIC button functions are disabled. And Fred Cady, KE7Z
(SK) in his KX3 book makes no mention of having to do anything w
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