Mike,
You can order one from Elecraft.
Order the KXSERa (3.5mm to DB9-F): Extra Cable 3.5mm to RS232 DB9-F for
KX3.
It can be found in the KX3 or the KPA500 order listings.
73,
Don W3FPR
On 5/10/2016 6:26 PM, Mike VE3YF wrote:
Hi:
Does anyone happen to have a Serial Cable for the KAT500
Hi:
Does anyone happen to have a Serial Cable for the KAT500 Tuner that they are
not using and willing to sell to me. I have a USB Cable, but at the moment a
serial cable would work better for me. Tnx.
73 De Mike
VE3YF
http://www.ve3yf.com
[http://www.ve3yf.com/]
Hello,
I have built the first prototype of my interface and everything works very
well!
It opens to me a new dimension in the use of the KAT500, via serial commands
and Arduino microcontroler.
What I have done is :
Arduino TTL serial TX/RX connected to a classic MAX232 IC (TTL pins)
MAX 232
On Jan 20, 2014, at 8:17 AM, elecraft-requ...@mailman.qth.net wrote:
Re: [Elecraft] KAT500 serial cable
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Hello,
I push this message again, because I have the same question / issue...
I am building a specific Arduino interface between a microHam stationMaster
and the KAT500, but unfortunately I am not able to find any wiring/voltage
concerning this serial «3.5 stereo jack» connector.
If someone has
The KX3 schematic shows the following:
RxD = tip
TxD = ring
GND = sleeve
-
73, Stan - KR7C
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On 1/19/2014 1:50 PM, Stan Gibbs, KR7C wrote:
The KX3 schematic shows the following:
RxD = tip
TxD = ring
GND = sleeve
My computers have serial ports, but the cable from Elecraft was USB. I
made myself a serial cable for my KAT500 from a hi-fi cable with a 3.5mm
TRS plug on one end, split
The KX3, KAT500 and the XG3 serial cables are the same at the
equipment end - whether they are USB or serial.
They are not entirely RS-232 complaint - the level for TXD is zero volts
to 5 volts, but RXD will accept the full RS-232 positive and negative
swings with no problem (hopefully I did
OK,
In fact I planned to use a MAX232 because I though that it was necessary
for the kat500.
At the end it seems that the kat500 is TTL compatible, so it should be
easier to connect with an Arduino.
If I am right, a direct connection should be possible, without MAX232.
Anyone to confirm?
73
Jean,
I mis-spoke. I do not have the schematic for the KAT500. but the
circuit for the RS-232 interface used in the XG3 has become sort of
the standard at Elecraft as far as I know. I initially said it went to
+5 volts, but after checking I see it can go to +9 volts. If your
Ardrino TTL
On 1/19/2014 3:46 PM, Don Wilhelm wrote:
I do not have the schematic for the KAT500. but the circuit for the
RS-232 interface used in the XG3 has become sort of the standard at
Elecraft as far as I know. I initially said it went to +5 volts, but
after checking I see it can go to +9 volts. If
I'd been looking at cheap and dirty between another TTL level device to
the KX3 (I presume the KXPA100 is similar). The KX3 schematic looks as
if the putput may go as high as +12V, but a series resistor and diode
clamp at +5V should protect a TTL equivalent input. I used to know good
values,
Consider using a MAX232 anyway. The signals need to be inverted to be
compatible with standard UART interfaces. So even if the protective diodes
work, an inverter is needed to get the signals to the proper levels.
Jack B, W6FB
On Jan 19, 2014, at 6:03 PM, Doug Faunt N6TQS +1-510-717-1197
If you're bit-banging, you can do the inversion in your software.
73, doug
On 19-Jan-14 18:39, Jack Brindle wrote:
Consider using a MAX232 anyway. The signals need to be inverted to be
compatible with standard UART interfaces. So even if the protective diodes
work, an inverter is needed to
Does anyone have the wiring diagram for the KAT500 serial cable? Not the USB
one but the one to connect with a real serial port.
David K0LUM
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