Resending....sent to Walter only by mistake. On Tue, Apr 13, 2021 at 13:36 Gary Memory <[email protected]> wrote:
> I’ve had my KX2 for a couple years now. Have taken it with me on dozes of > trips and hikes. Done FD with it (to be sure, I didn’t place or win > anything...by far!). I use several different external battery packs > depending on where and what I am doing. I also keep a charged Elecraft > battery pack internally. > > I’ve always been curious what my battery draw is. This query caused me to > test it. Setup: Internal battery removed. Antenna is a 1 foot BNC jumper > into a bird, 25 W slug, bird dummy load on the other side. External > battery, Zippy Compact 8400 LiFe, fully charged. Power connections Johnson > PP, including a inline blade fuse holder, both POS and Gnd fuses. Fluke > meter, measured at the inline fuse holder (volts measured from top of > fuses, and amps measured by removing the POS fuse and then inserting meter > leads into the fuse socket. > > Results: > Receive - 13.1 V, .17 A > TX (XMT button held down until TX is locked ON then turning the PWR up for > as much RF as it would produce) 12.9 V, 2.2A, bird showing 8 W > > Not scientific. Test gear is not calibrated, but good enuf for me. I was > simply curious and have never taken the time. In the end, I love this > radio! Completely perfect for my wants and needs. > > Gary, N7BRJ > > > On Tue, Apr 13, 2021 at 12:21 Walter Underwood <[email protected]> > wrote: > >> From the KX-line brochure, the filter passband is variable from 50 to >> 4000 Hz. The audio peaking filter goes narrower than that. >> >> https://ftp.elecraft.com/KX3/Manuals%20Downloads/kxline-11_16.pdf >> >> The specs give a current of 1 to 2 A at 10 W. That varies based on the >> supply voltage, so you need to pick a voltage to get a good answer for >> that. >> >> wunder >> K6WRU >> Walter Underwood >> CM87wj >> http://observer.wunderwood.org/ (my blog) >> >> > On Apr 13, 2021, at 8:03 AM, djchase <[email protected]> wrote: >> > >> > I am a long time CW operator, but new to this group. I am considering >> purchasing a KX2, but I have been unable to find answers to these two >> questions:1. What is the approximate current draw for the KX2 on transmit >> at 5 watts CW?2. What is the narrowest receiver filter width on CW? Many >> thanks in advance for any help with these questions.73 es 72,DaveK8RXB Sent >> from my Galaxy >> > ______________________________________________________________ >> > 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 >> > Message delivered to [email protected] >> >> ______________________________________________________________ >> 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 >> Message delivered to [email protected] >> > ______________________________________________________________ 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 Message delivered to [email protected]
