Elecraft-K3@groups.io

Re: [Elecraft_K3] K2 w/o ATU

Glad to be of some help.... Over the years I have had 4 K2's of various configurations, so I am very familiar with them. Now it is a K3 K-Line and Two KX3's, one PX3 and KXPA/KXAT100.... Yup like

By harry latterman <harrylatterman@...> · #23729 ·

KNB3 Noise BLanker PCB Assm

Part# # E850280 I'm sorting out parts. While picking this still wrapped package up, I felt a pin poking thru the wrapper. Has this board become damaged. I was just sorting and didn't have the ESD

By Bill Ellis - WB9CAC · #23730 ·

Re: [Elecraft_K3] K2 w/o ATU

Thanks Harry.

By William Irving Zumwalt · #23728 ·

Re: [Elecraft_K3] K2 w/o ATU

You will need an antenna that has a SWR of less then 3:1, actually to play it safe at least 2:1 or you might damage the radio. There are lot of options for 20-10 meters and as you go from 30- 80

By harry latterman <harrylatterman@...> · #23727 ·

K2 w/o ATU

I have a K2 that does not have an antenna tuner, nor an amp. It's 10W's only. Will I damage it if I put an antenna on it? Or what do I need to look out for in looking for an antenna for it? I'm on a

By William Irving Zumwalt · #23726 ·

Re: [Elecraft_K3] Re: K3S assembly manual posted

Thank you for the update Wayne. That is good news... 73 Stewart G3RXQ

By stewart_bakeruk · #23725 ·

Re: [Elecraft_K3] Re: K3S assembly manual posted

Stewart, It is extremely unlikely that the AF IC will ever need to be changed. The K3S DSP board includes much better heat sinking of this IC, in addition to the new ultra-low distortion driver

By N6KR · #23724 ·

Re: K3S assembly manual posted

Photo of DSP PCB shows a K3 one, including the difficult to change SMD audio IC U1... Stewart G3RXQ

By stewart_bakeruk · #23723 ·

OT- For sale : Extra 6, 50Mhz RX contest pre-amplifier

Hello Group, It is off-topic. This RX contest pre-amplifier is surplus to my requirement. It was bought in 2013 from www.ha8et.hu It is fully functional. Noise figure <0.6dB (typ. 0.5dB) Gain

By vr2xmc · #23722 ·

Re: K3 and KSYN3A [1 Attachment]

Screen shot URL link is needed to see your post to YouTube! Bill K9YEQ

By Bill K9YEQ · #23721 ·

For Sale: Factory Built K3/100. Filters / 2nd Rx etc.

All: I have a factory built, Elecraft K3 100 watt transceiver for sale. I am the original owner, non smoker. The radio is in perfect, like-new condition and was

By Tony <DXDX@...> · #23720 ·

Re: [Elecraft_K3] K3 and KSYN3A

That was an impressive demo video. So I ran my own tests last night on my newly updated K3 with the new synth modules installed, and also on my recently updated IC-7700. Where that demo video gave an

By David McClain · #23719 ·

K3S assembly manual posted

I was looking over the K3S assembly manual which is available for download from the Elecraft site. I don't see too much different, but pictures of boards don't always tell the full story. I did

By dalej <dj2001x@...> · #23718 ·

Re: [Elecraft_K3] K3 and KSYN3A [1 Attachment]

There is the video of the 7800 v. 7851, impressive difference, but where's the K3 video? I ain't buying no $15000 rig!! My K3/P3 will still outperform it. Dale,k9vuj

By dalej <dj2001x@...> · #23717 ·

Re: [Elecraft_K3] K3 and KSYN3A

Hi again, this time i will show you P3 schreenshot as proof of incredible strong signal handling of K3 with new KSYN3A board: P3 freq. span is 5 kHz, red band is signal 59+60dB, centered on 7.134

By bozidar nikolic · #23716 ·

Re: [Elecraft_K3] major issue following upgrade to new synthesizer ?

I was referring to (Rev A4 May 11, 2015 edition) of the synthesizer installation guide, page 12/figure 9, "Trimming Synthesizer Leads." The problem has since been resolved, and involved one of the

By squarerigger@... · #23715 ·

Re: major issue following upgrade to new synthesizer ?

The problem did indeed involve one of the (tmp) coaxial jumper cables (connector not fully seated).After correcting this issue calibration went forward without a hitch, receiver has returned to

By squarerigger@... · #23714 ·

Re: [Elecraft_K3] major issue following upgrade to new synthesizer ?

Did you re-check the cables to/from the new board(s)? ...bc nr4c

By Bill Conkling <bconk75@...> · #23713 ·

[Elecraft_K3] major issue following upgrade to new synthesizer ?

I experienced the same and eventually found that Q8 and Q9 were short and R66 was burnt. However, I have no idea whether these two issues are actually related. 73 Johnny VR2XMC

By vr2xmc · #23712 ·

Re: [Elecraft_K3] ForSale: (Yaesu FTDX-9000/Icom IC-756 Pro3) mlellsworth@sbcglobal.net

To confirm, this IS a scam. It's been posted on other reflector groups. Dale, k9vuj

By dalej <dj2001x@...> · #23711 ·

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