Re: [Elecraft] Q11 Blown

Richard, Well, the loud pop was most likely one PA transistor exploding, so I expect you will have to replace Q7 and Q8 as well. If you remove the heatsink, you will likely see one of the PA transistors damaged. Yes, replace Q11 and Q13 together. Get the K2PAKIT from Elecraft - that kit has

Re: [Elecraft] Q11 Blown

Richard, If you do not have good de-soldering tools, be careful when removing components. There is no sense in removing the component intact. The board is more valuable than any component. Cut off the leads close to the component body (or crush the component with pliers if necessary so you

Re: [Elecraft] KXPA100 with PX3

>>http://www.elecraft.com/manual/PX3_installation_FAQ_v-0-8.pdf  see Figure 3. >When I tried that, I got no output from the KXPA100 with the KX3 PA MODE set >to ON.  If I set that to OFF, I get full output but then not full interaction >with the KX3.  What am I doing wrong? So are you saying

Re: [Elecraft] EFHW (was Small QRP antenna)

On Fri,12/30/2016 6:02 AM, Michael Babineau wrote: Anyone interested in EFHW antennas should read Steve, AA5TB’s excellent website Here's another great way to end feed a half wave that Steve didn't think of. It originated with an idea that N6LF published. http://k9yc.com/VerticalDipole.pdf

[Elecraft] Help with defective KFL3A-400 needed

Hello everybody, I have a friend's KFL3A-400 on my bench which shows a 20 dB passband attenuation with high ripple. The fault was originally detected by a 3 S units signal drop in the K3 compared to its other crystal filters. The filter was working perfectly until recently. I disassembled

[Elecraft] Please do a KPA1500

Now more than ever there is a need for a 1500 watt amplifier of the quality and function of the KPA500. PLEASE, Elecraft, reconsider your decision to produce a KPA 1500. You could use the front end of the KPA500 as a controller? Fred Serota, K3BHX

Re: [Elecraft] Q11 Blown

Excellent Don, Many thanks for your quick response, I'll start as soon as I can. Happy new year and 73s Richard M0AUW -- View this message in context: http://elecraft.365791.n2.nabble.com/Q11-Blown-tp7625179p7625183.html Sent from the Elecraft mailing list archive at Nabble.com.

Re: [Elecraft] KXPA100 with PX3

The KX3 says it has the KXPA100 behind it, but I still get no output. When I turn PA MODE to OFF, and turn the amp ON using the front panel switch, I get full output but in Basic mode. 73 Ray W2RS -Original Message- From: Cady, Fred To: rsoifer1

[Elecraft] EFHW (was Small QRP antenna)

Anyone interested in EFHW antennas should read Steve, AA5TB’s excellent website. http://www.aa5tb.com/efha.html Some of the currently available EFHW tuners (QRPGuys& QRPkits SOTA ) use the tapped inductor approach, but I much prefer Steve’s idea of using a transformer. The advantage is that it

Re: [Elecraft] KXPA100 with PX3

Hi Dick, When I tried that, I got no output from the KXPA100 with the KX3 PA MODE set to ON. If I set that to OFF, I get full output but then not full interaction with the KX3. What am I doing wrong? 73 Ray W2RS -Original Message- From: Dick Dievendorff To:

[Elecraft] Velocity factor

I wonder if the difference in opinions has to do not with right or wrong as a matter of physics but rather with the customary use of terminology. As I have understood it, the phrase “velocity factor” is ordinarily used in connection with transmission lines; AND it is the case that the velocity

Re: [Elecraft] KXPA100 with PX3

Ray, Check to be certain the RJ-45 connectors are fully plugged in. Some of them are difficult to seat if you hold onto the cover boot. Pull the boot back and push the plug itself in until it clicks. Make sure the other plugs are fully seated - give them an extra push into their jacks.

Re: [Elecraft] Help with defective KFL3A-400 needed

Marcus, You might want to query the folks at Inrad - they build the 8 pole filters. You would need to replace all the crystals with a matched set, so it may be better to buy a new filter. 73, Don W3FPR On 12/30/2016 8:18 AM, Marcus Busch [DL1EKC] wrote: Hello everybody, I have a friend's

[Elecraft] KXPA100 with PX3

I've been using the PX3 with my KX3 for a year now, with no problems. I've now added a KXPA100, and find that either I can have full functionality of the amplifier, or of the panadaptor, but not both at the same time. I've set up the system for full functionality of the PX3 and "Basic"

Re: [Elecraft] KXPA100 with PX3

Hi Ryan, Yes, I am using the control cable. 73 Ray -Original Message- From: Ryan Noguchi To: rsoifer1 ; elecraft Sent: Fri, Dec 30, 2016 8:43 am Subject: Re: [Elecraft] KXPA100 with PX3

Re: [Elecraft] P3 For Sale

The P3 is sold> Joe N9VX On Fri, Dec 30, 2016 at 4:30 AM, Joe Word wrote: > Email corrected... > For Sale Elecraft P3-F factory built panadapter in as new condition with > optional P3SVGA adapter for computer monitor use. No scratches and has not > been around tobacco

Re: [Elecraft] KXPA100 with PX3

Ray: Hope this helps: http://www.elecraft.com/manual/PX3_installation_FAQ_v-0-8.pdf see Figure 3. 73 de Dick, K6KR -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Ray W2RS via Elecraft Sent: Friday, December 30, 2016 06:38 To:

Re: [Elecraft] [KX3] Mini Banana Plug Question

The mini plug by my measurement is 2.4 mm at the shaft not slotted and ~ 2.5 mm near the tip, the slotted section at its widest. 73, Bill K9YEQ -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Bob Nielsen Sent: Friday, December 30, 2016 1:40 AM To:

Re: [Elecraft] KXPA100 with PX3

Make sure all of the plugs are fully seated in their sockets. 73, Fred KE7X For all KE7X Elecraft books, see www.ke7x.com From: Elecraft on behalf of Ryan Noguchi via Elecraft Sent: Friday,

Re: [Elecraft] KXPA100 with PX3

You may simply have the power set too low (below 11W) for the KXPA100 to turn on. 73 Dave AD6A Sent from my  iPhone 5s > On Dec 30, 2016, at 9:22 AM, Don Wilhelm wrote: > > Ray, > > Check to be certain the RJ-45 connectors are fully plugged in. Some of them > are

Re: [Elecraft] Please do a KPA1500

On Fri,12/30/2016 10:27 AM, Dean L wrote: 500w 》1500 w -It's less than an S-unit increase in signal Anyone who has tried to work a station who doesn't hear well because of a high noise level, or with a poor signal path, knows that even 1 or 2 dB can be the difference between making a QSO

Re: [Elecraft] K2 and Kenwood SP-50 Mic

On Fri,12/30/2016 10:30 AM, ken mcmahon wrote: Page 18 of the KSB2 manual shows info for the MC-60 and I don't want to assume it matches the MC-50. Ken, Connector pin-outs tend to be consistent within a brand of radio. Kenwood, Icom, and Yaesu each have their own way of doing it, and they

Re: [Elecraft] KXPA100 with PX3

Further to my last email, when I am in Basic mode, with PA MODE set to OFF and the KXPA100 on/off switch set to ON, I get full power out and no dissipation. When PA MODE is ON and the on/off switch set to OFF, the KX3 acts like the KXPA100 is connected to it but there is no power output from

Re: [Elecraft] Small QRP antenna

Sorry Jim, you're mistaken on many counts. An antenna does not have VF, but the wire we use for it does. VF of an infinitely thin bare wire in free space is 1. Surrounding it with a dielectric (insulation) makes it longer electrically, usually by a few percent. So does making the wire

[Elecraft] {OT} - Variation on use of a coaxial switch

I would like to use a coaxial switch for an unintended use and I'm not sure if it's a good idea in terms of RF isolation and potential equipment damage. I'm no expert in this area but I know this list is a wealth of expert opinion, so here's my question: I want to buy a two position

Re: [Elecraft] Small QRP antenna

Sorry, Jim, you are misquoting the wrong guy. Tweren't me, McGee. 73 Jim Allen W6OGC > Message: 24 > Date: Fri, 30 Dec 2016 13:25:28 -0800 > From: Jim Brown > To: elecraft@mailman.qth.net > Subject: Re: [Elecraft] Small QRP antenna > Message-ID: >

Re: [Elecraft] Please do a KPA1500

That will be a lot of money for only an extra S unit (barely). Just over a 4db gain off the top of my head. It is the first 500 W that count. Mike va3mw > On Dec 30, 2016, at 1:27 PM, Dean L wrote: > > Fred > 500w 》1500 w -It's less than an S-unit increase in

Re: [Elecraft] Please do a KPA1500

I agree. German HK3J El vie., 30 dic. 2016 3:18 p. m., Guy Olinger K2AV escribió: > On Dec 30, 2016 12:36 PM, "Fredric Serota" wrote: > > Now more than ever there is a need for a 1500 watt amplifier of the > > quality and function of the KPA500. PLEASE,

Re: [Elecraft] Please do a KPA1500

The same argument goes for any 3:1 power ratio, but Ham radio is about having fun and if someone has more fun with QRO within legal limits, why not? In the 1960's I added a new final to a homebrew CW rig and went from 100 mW out to a full 1 Watt as soon as a suitable transistor became

Re: [Elecraft] [KX3] USB sound card functionality in the future?

Interesting... Not knowing much about the architecture, isn't most of the hardware already on board to send samples out the USB? Looking at the KX3 block diagram [1], I'm curious why you couldn't move digital I/Q samples from the DSP to the PIC, then in/out to the USB port. While I'm sure the

Re: [Elecraft] [KX3] USB sound card functionality in the future?

Dave, Whatever it is, there will be no hyphens in the designation. Elecraft does not use hyphens in its product names (other than the N-Gen and 2T-Gen mini-modules). 73, Don W3FPR On 12/30/2016 5:25 PM, Dave Hartzell wrote: Thanks Don. Maybe someday it will be supported on the KX3-S (or

Re: [Elecraft] {OT} - Variation on use of a coaxial switch

Stan, If your maximum power is 100 watts and the isolation of the switch is 40dB or more then I don't think you have any problem. 73, Don W3FPR On 12/30/2016 5:49 PM, stan levandowski wrote: I would like to use a coaxial switch for an unintended use and I'm not sure if it's a good idea in

Re: [Elecraft] Please do a KPA1500

Fred 500w 》1500 w -It's less than an S-unit increase in signal and makes your power meter spin fast. Just putting it into perspective ...I'm sure you already knew this. Happy New Year/73 Dean K2WW On Dec 30, 2016 12:36 PM, "Fredric Serota" wrote: > Now more than ever there

Re: [Elecraft] Please do a KPA1500

I kinda like the remote amp thought; My wife loves the heat and I like it cool. I could put the amp in her craft room and let her enjoy the extra heat while my shack stays cooler. From: Fredric Serota To: "elecraft@mailman.qth.net" Sent:

Re: [Elecraft] [KX3] USB sound card functionality in the future?

Dave, I seriously doubt it. If you look inside the KX3 or the KX2, there is not much space. Secondly, the way the KX3, PX3 and KXPA100 'string together" for the RS-232 (ACC1) connections, both the PX3 and KXPA100 would have to change to support USB and audio. So I don't think that is going

Re: [Elecraft] K3S Bundle Offer ends on December 31. (end of day)

Nice! Perhaps y'all will consider working up a promo for a KPA500/KAT500 combo in the future __ Clay Autery, KY5G MONTAC Enterprises (318) 518-1389 On 12/30/2016 5:35 PM, Eric Swartz - WA6HHQ, Elecraft wrote: > Countdown to 2017! Don't miss out on the K3S Bundle Offer -

Re: [Elecraft] Please do a KPA1500

If you're being heard at 20 dB over S9 when running one kilowatt, you'll still be S5 at 100 milliwatts! That said, if you're gonna run an amp, why not go for max legal? 73, Charlie k3ICH -Original Message- From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dean L

Re: [Elecraft] [KX3] USB sound card functionality in the future?

Dave, First of all, the audio for digital operations needs to come from the phones and mic lines. The RX I/Q is taken off before any DSP Processing so the bandwidth is not restricted by the filtering done in the KX3. In other words, the RX I/Q is not simply audio - it may be at baseband,

Re: [Elecraft] Please do a KPA1500

During mediocre conditions there has been more than once on 80 and 160M the DX could not quite get my call correct with the KPA500. Once the Acom 2000A timed out they had no trouble copying my call. Most of the time I operate the K3 barefoot. When I need more oomph I turn on the KPA500. If

Re: [Elecraft] {OT} - Variation on use of a coaxial switch

Thank you, Don. An Alpha Delta has that isolation. I thought it would be OK but as a hobbyist and not a pro, I don't know what I don't know.  Happy New Year. Stan WB2LQF On Fri, Dec 30, 2016 at 06:44 PM, Don Wilhelm wrote: Stan, If your maximum power is 100 watts and the isolation of the

Re: [Elecraft] Please do a KPA1500

I can tell you, I have a lot of 50 MHz DX in the log that a home brew 4CX-1000A made possible. Unlike HF DXing, some six meter ES & F2 openings last only a few minutes, and the early bird + big amp, gets the proverbial worm. I am definitely NOT opposed to running high power. My only piece of

[Elecraft] Want to add SVGA and P3TXMON to your P3?

I have a P3SVGA with P3TXMON and DCHF-2000 (160m - 6m 2000 KW Directional Coupler). The P3 is S/N 37xx and everything works perfectly, and is in as-new condition with no scratches/dents etc., and lives in a non-smoking home. I don't use the SVGA option or the directional coupler, so I would

Re: [Elecraft] Please do a KPA1500

Folks, we have not ever formally said we would never do a 1500W amp. We have said at times in the past that we were not doing one at that time, but we never rule anything out. We're always looking for good suggestions and marketing input on what we should do in the future. 73, Eric

Re: [Elecraft] Small QRP antenna

My experience matches this precisely. ~35 years ago, I built the huge quad described in "Evolution of a Quad Array" from an article in QST, May 1978, IIRC. It was done with help from experienced antenna builders, measured very meticulously. When we finally got it up on the tower, it was

Re: [Elecraft] Please do a KPA1500

On Dec 30, 2016 12:36 PM, "Fredric Serota" wrote: > Now more than ever there is a need for a 1500 watt amplifier of the > quality and function of the KPA500. PLEASE, Elecraft, reconsider your > decision to produce a KPA 1500. Without debating how much use is had from a 5 dB

Re: [Elecraft] {OT} - Variation on use of a coaxial switch

As long as there is sufficient isolation in the switch there should be no problem. I have done exactly as you describe with my KX2 and IC-7100 using a MFJ-1702C switch, which is rated for better than 60 dB of isolation to 300 MHz. Bob, N7XY On 12/30/16 2:49 PM, stan levandowski wrote: I

Re: [Elecraft] K2 and Kenwood SP-50 Mic

Thanks Jim, I should have mentioned; I already have the 8 pin DIN connector at the rig end of the mic cable. However, I don't know what the pin-outs are. I've Googled it to no avail... Page 18 of the KSB2 manual shows info for the MC-60 and I don't want to assume it matches the MC-50. Thanks,

Re: [Elecraft] KXPA100 with PX3

How are you turning the KX3 and KXPA100 on and off. If you shut down the power supply with the KX3 powered on, it will default to PA off and power our <10 watts and stay that way until you manually go back and turn PA on and change power level on KX3 to require the amp to be on. You should

Re: [Elecraft] K2 and Kenwood SP-50 Mic

A multitude of microphone information can be found at http://www.qsl.net/g4wpw/date.html. Thank QSL.net for preserving this website information, G4WPW is now SK. 73, Don W3FPR On 12/30/2016 1:44 PM, Jim Brown wrote: On Fri,12/30/2016 10:30 AM, ken mcmahon wrote: Page 18 of the KSB2 manual

Re: [Elecraft] KXPA100 with PX3

Ryan, Yes, I am using the correct adapter cable. 73 Ray W2RS -Original Message- From: Ryan Noguchi To: rsoifer1 ; elecraft Sent: Fri, Dec 30, 2016 8:43 am Subject: Re: [Elecraft] KXPA100 with PX3

Re: [Elecraft] KXPA100 with PX3

>Further to my last email, when I am in Basic mode, with PA MODE set to OFF and >the KXPA100 on/off switch set to ON, I get full power out and no dissipation.   >When PA MODE is ON and the on/off switch set to OFF, the KX3 acts like the >KXPA100 is connected to it but there is no power output

Re: [Elecraft] Please do a KPA1500

I have no interest in a 1 or 1.5 KW Amp. Guy (K2AV) sums it up nicely. 73! Ken Kopp - K0PP On Dec 30, 2016 1:18 PM, "Guy Olinger K2AV" wrote: > On Dec 30, 2016 12:36 PM, "Fredric Serota" wrote: > > Now more than ever there is a need for a 1500 watt

Re: [Elecraft] KXPA100 with PX3

Ray, Does the power light on the KXPA100 turn on when you power on the KX3? I am not sure about your statements about "all the power it produces is being dissipated" Dissipated where? Into power output or into heat? Does the heatsink heat up? Similarly, your statement about "no power

[Elecraft] [KX3] USB sound card functionality in the future?

I'm not sure what the upgrade and refresh cycle is for the KX3, but I'm wondering if there will ever be KIO3-like capability added to the KX3 (or KX2). Mainly so the radio shows up as a sound card over the USB... Dave ad0qe __ Elecraft

Re: [Elecraft] {OT} - Variation on use of a coaxial switch

Note that many antenna switches short the in-used antenna to ground so you would be shorting the output of the in-selected radio to ground. NOT a good idea. MFJ makes a switch that connects 2 radios to 3 antennas. Flip the switch and the antennas are switched to the other radio. Put a dummy

Re: [Elecraft] [Moon-Net] Elecraft transverter

You should know that DEMI can install (and probably sell as a kit for you to install) the ApolLo synthesizer board inside of Elecraft transverters. I asked Steve at DEMI some time ago if it would be possible, and he asked me to send him my XV222 transverter. Within a few days, I received it

Re: [Elecraft] {OT} - Variation on use of a coaxial switch

That may be one difference. But having been a pro who got paid for giving advice about things that matter to a client, what being a pro has always meant to was to make sure that I was 1) Never giving advice you were not certain of; and 2) Always ready to say "I don't know, but I'll find out;"

Re: [Elecraft] 4Sale: Loaded K3s

SOLD! Sent from my iPhone === Carl Jón Denbow, N8VZ 17 Coventry Lane Athens, Ohio 45701-3718 c...@n8vz.com www.n8vz.com EM89wh IRLP 4533 Echolink 116070 PSK and JT65 Forever! === > On Dec 20, 2016, at 8:30 PM, Carl Jón Denbow

Re: [Elecraft] {OT} - Variation on use of a coaxial switch

T-shirt the other day: MECHANIC Curious enough to take it apart Professional enough to put it back together Smart enough to hide the extra parts 73, Fred K6DGW Sparks NV USA Washoe County DM09dn On 12/30/2016 4:59 PM, Don Wilhelm wrote: Ron and all, I would differ from that a little bit.

Re: [Elecraft] [KX3] USB sound card functionality in the future?

Since the radio is not really that modular I'd not hold my breath. The K3 had several boards that made up the KIO3 module. Sent from my iPhone ...nr4c. bill > On Dec 30, 2016, at 3:54 PM, Dave Hartzell wrote: > > I'm not sure what the upgrade and refresh cycle is for the

Re: [Elecraft] Please do a KPA1500

With a little work, KPA500 can be a KW amp while losing weight. This is by using LDMOS and a commercial PS. But then KAT500 would have to be beefed up to KAT1000. I have Expert 1.3k that I use with KX3 for > 1 KW. The Expert is 21 lbs (lighter than Elecraft) with a 3:1 tuner + 4 antenna switch

[Elecraft] P3 For Sale

For Sale Elecraft P3-F factory built panadapter in as new condition with optional P3SVGA adapter for computer monitor use. No scratches and has not been around tobacco smoke. Serial number 36xx. No longer have a K3, so selling the P3. Comes with original box, manual and cable set: RF cable, data

[Elecraft] P3 For Sale

Email corrected... For Sale Elecraft P3-F factory built panadapter in as new condition with optional P3SVGA adapter for computer monitor use. No scratches and has not been around tobacco smoke. Serial number 36xx. No longer have a K3, so selling the P3. Comes with original box, manual and cable

[Elecraft] Q11 Blown

Hi Don et all, My own stupid fault, I was tuning up my other transceiver and forgot the K2 (fitted withK2/100) was still on and something went bang! On checking the K2 there was no transmit, receive was ok. I traced the fault back and found that *Q11 had blown*. I cannot visibly see any other

[Elecraft] K3s missing right channel in "nor xxx" mode / digital level too low - BUG?

Hi Al, Thanks for your answer. Can't explain the logic behind this behavior. Would it be a bug in firmware?... Maybe this could be on the wish list then. For both requests ("nor" stereo AFX *and* low digital level). Santa's gone, but who knows? Best 73, Christian F1GWR Le 30 déc. 2016 à