OK, the answer was to put a lower resistor in the input.
All I needed was 100 ohm jumper.
Will WC2L
On 7/4/2018 3:55 PM, William Liporace wrote:
I really should have said antenna switch controller. I have two
controllers.
A) Is the DX Solutions SAS-6 (Smart Antenna Switch-6)
B) The KK1L
I have no problem feeding the band data directly into Arduino
input ports. (I homebrewed the antenna switch controller.) I
wonder about the load from your antenna switch controller. You
may need additional pullup resistors. The K3S manual says,
"External pull-up resistors can be connected a
It won’t directly drive either. The K3/K3S outputs BCD band data. You need a
decoder box to convert that into direct drive signals (high side drive) for
both of the antenna switches.
The Elecraft KRC2 will do the job quite well, as will quite a few other boxes.
Be sure they have TTL-level
I really should have said antenna switch controller. I have two
controllers.
A) Is the DX Solutions SAS-6 (Smart Antenna Switch-6)
B) The KK1L 2x6 Controller.
Both devices worked flawlessly from the FTdx5000.
Will WC2L
On 7/4/2018 11:55 AM, William Liporace wrote:
Hi Folks,
I thought it was
The open collector outputs is
F the K3 or K3s are lightly pulled up then fed thru a series resistor. Your
decode must have adequate buffering in place to avoid drawing excessive
current. A cmos buffer chip will do the trick.
73
Jim ab3cv (got the t shirt)
On Jul 4, 2018, at 11:55 AM, William
Hi Folks,
I thought it was me, but I guess not... When I hook up a cable to the
ACC plug for band data output, I get about 4.8v (slightly less than 5v).
When I hook up the radio to any antenna switch that has band data input,
the voltage goes down to 3v. This is not enough to drive the antenna
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