Re: Row of Blocks on the Top Line
Hi, I replaced L5 and L6 100uH inductors and was able to power my QCX. Everything seems to be working fine. ? No QSOs yet, I need to finish?some details on the enclosure box hopefully this week.
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Norbert KP4WK
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#20826
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Power output questions
I¡¯ve completed my 20m QCX. It works fine, and hooked up to my hex beam, I¡¯ve made quite a few local and DX contacts. Yesterday I measured power output across an Elecraft dummy load - 8.25 volts -
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Phil/K3UT
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#20825
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Re: No new group please!
Michael This is one /g/QRPLabs/hashtags Do not know who allocates the Tags, but they are there. Guess you can make your own when a subject is started. 73 Alan G4ZFQ
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Alan G4ZFQ
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#20824
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Re: No new group please!
One group implemented tags to make filtering what messages you wanted to see at least.? Of course people had to remember to place the tags.? People have to use it to make it effective.??? Just
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Michael Monteith
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#20823
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Re: Taking another stab at getting my 80m QCX up and running
Like one of the BS170s? Have you had a PA problem, did you resolve it? 73 Alan G4ZFQ ? or
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Alan G4ZFQ
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#20822
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Re: Taking another stab at getting my 80m QCX up and running
Dear Mike, I had a similar problem when trying to peak my 60M T1.? But my signal strength at the start was higher than 2.? Make sure that the 80M band pass filter between the antenna and the primary
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David R. Hassall WA5DJJ
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#20821
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Re: Loud tone on QCX 40
#qcx
Have you found a solution for your problem?
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Jon R Garber
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#20820
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Re: qcx powers up, but no calibration tone
Just a thought - if you used sockets on the audio chips, verify that all I.C. pins in the audio chain before the bandpass filter are properly plugged into their socket pins. the bpf peaking test
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Steven Dick, K1RF
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#20819
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Re: A question....
Did you even read my last post? No, don't bother to reply, I know the answer
By
Master Ice <special@...>
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#20817
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Re: A question....
Seems to me you Facebook people are more uptight about negative press then those apposing!? (just saying!) Lee, w0vt
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Leland L. Bahr
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#20816
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Re: A question....
I will simply say what I have said before "No one has to join the FB page" . You assert that 90% of people won't go to the facebook group anyway so why so much twitching about its existence in the
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Master Ice <special@...>
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#20815
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Re: QSK noise
correct me if I misunderstand. hpf cutoff frequency at -3 dB level = 1/(2pi*R37*C22) and 0.27uF(600Hz)? 0.33uF(500Hz) will be best choice than 0.1uF(1600Hz)? Oleg RN4HGS
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RN4HGS <rn4hgs@...>
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#20814
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Re: qcx powers up, but no calibration tone
Hi Tom You can do a factory reset with menu "7.8 Factory rst.". Please do that then have another try. 73 Hans G0UPL http://qrp-labs.com
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Hans Summers
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#20813
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Re: Si5351A CLK0 Output Buffer
#synth
Hi Bob When using ProgRock for the RX module you do not need to isolate the Clk0 output or provide any buffering. For some uses of the Si5351A, you may need to provide buffering/isolation. It all
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Hans Summers
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#20812
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Re: QCX started buzzing all of a sudden after Q6 Change
Hi Leo I have seen buzzing sidetone here, when I had trouble with SWR or grounding. RF gets all over the place and some of it overloads something and creates that buzzing. Maybe you have something
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Hans Summers
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#20811
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Re: Difficulty winding and installing transformer T1
#qcx
Once a winding is where you want it, a few drops of super glue can hold it while starting the next winding.
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Don Baker
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#20810
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qcx powers up, but no calibration tone
Just fired up QCX first time. Got to initial calibration menu but there is no tone. Something simple? How do you reset the controller program? I entered several values that were inappropriate. Thanks,
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Thomas Yarish
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#20809
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Re: U3s first wspr
Finally, here it is after yet another reformatting
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TrueBlue
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#20808
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Re: QCX Blank LCD
Hello Richard, remove the lcd component. how much volt is on R48 / PIN 15 LCD ?? does your power supply provide enough, or is it not designed for the load?
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Bernd
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#20807
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Re: A question....
Why are so many people getting their underwear bunched up over someone starting a facebook group...
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Facility 406
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#20806
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