I'd use 2.2 K, but anything between 1 and 10 K should also work. Wayne
On Apr 14, 2012, at 5:57 PM, Lance Collister, W7GJ wrote: > WOW! That would be a GREAT option! > > I just measured the serial output from the USB cable on my laptop, > and I have -6.23 on receive and +6.8 VDC on transmit between the RTS > (7) and Signal Ground (5) lines. If it would work to simply stick a > 1K or 10K resistor in series with the RTS line, it sure would be a > lot more compact and fit better into a connector than resistors and > 2N2222 ;-) MNI TNX for all your work! VY 73, Lance > > On 4/15/2012 12:38 AM, Wayne Burdick wrote: >> Lance Collister, W7GJ wrote: >> >>> Good news about the PTT IN on the ACC2IO ;-) I assume this will >>> cause the KX3 to go into TX when the tip of ACC2 is >>> grounded...correct? >> >> Yes. >> >> >>> Any plans (if even possible) to offer the menu option make the KX3 >>> go into to TX when the tip of ACC2 is HIGH (so it would work >>> directly off the RTS serial port line when it goes high for TX)? >> >> I could provide both LO=PTT IN and HI=PTT IN options. Good idea. >> Note that this is 3-V logic (but 5-V tolerant). Anything outside >> the range of 0-5 V would require clamping or a large current- >> limiting resistor. >> >> Wayne >> >> >> > > > -- > Lance Collister, W7GJ > (ex WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8, E51SIX, 3D2LR, 5W0GJ) > P.O. Box 73 > Frenchtown, MT 59834-0073 > USA > TEL: (406) 626-5728 > QTH: DN27ub > URL: http://www.bigskyspaces.com/w7gj > Windows Messenger: w...@hotmail.com > Skype: lanceW7GJ > 2m DXCC #11/6m DXCC #815 > > Interested in 6m EME? Ask me about subscribing to the Magic Band EME > email group, or just fill in the request box at the bottom of my web > page (above)! ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
