Hello Erwin, Pin 7 is connected to the front panel microcontroller with a series 220 ohm resistor. The microcontroller on the front panel is a 5 volt part so I wouldn't apply any voltages greater than 5 volts (or the maximum logic high voltage.)
73, Fred KE7X Fred Cady fcady at ieee dot org "The Elecraft K3: Design, Configuration and Operation" www.ke7x.com (Lulu has 20% discount for the K3 book until midnight 9/9 - SEPTEMBER305 - and 15% through 9/30 - AWESOME305. See www.ke7x.com.) > -----Original Message----- > From: [email protected] [mailto:elecraft- > [email protected]] On Behalf Of DK5EW > Sent: Friday, September 09, 2011 8:22 AM > To: [email protected] > Subject: [Elecraft] TX inhibit question > > Hi all, > since 05.September I'm proud owner of a K3 # 5776. > Now I work trough the manual from side 1 to end to understand function. > > As I use a sequencer to protect my LNA's I will use also the RX inhibit > function. > The sequencer will provides 13VDC in RX mode to the ACC connector at > pin 7. > I understand I have to set CONFIG: TX INH to high. But can I use 13VDC > to that pin 7 or better > what's the maximum voltage can be there at pin 7? > > -- > best regards > Erwin/DK5EW > > > > > > ----- > eMail ist virenfrei. > Von AVG überprüft - www.avg.de > Version: 10.0.1392 / Virendatenbank: 1520/3885 - Ausgabedatum: > 08.09.2011 > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
