Hi Christophe,
The VCO shield kit may be found here:
http://www.elecraft.com/order_form_parts.htm#K2%20Parts
Look at the first line labeled K2VCOSHLDKT.
73,
Mike, K8CN
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Sen
; d...@w3fpr.com
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K2: Modulation on CW signal
hello list,
what it is VCOSHLDKT, is there a direct link on the site Elecraft?
thank you again for the information, it must learn.
K2 # 7369
73 , Christophe F8ACF-56
Envoyé le : Lundi 22 octobre 2012 19h19
Objet : Re: [Elecraft] K2: Modulation on CW signal
The radio was sitting by 50 amp astron power supply which was on.
Moved radio up to bedroom this morning w/ dummy load, powered by an optima
blue top deep cycle battery. Same results. Could tune in to CW
The radio was sitting by 50 amp astron power supply which was on.
Moved radio up to bedroom this morning w/ dummy load, powered by an optima
blue top deep cycle battery. Same results. Could tune in to CW signal using
yaesu radio in basement.
Ordered the optional VCOSHLDKT today anyway since
Calvin,
Do you have anything with a transformer within 2 feet of the K2? If so,
isolate the K2 by moving it away from everything and see if the ripple
goes away.
If the problem disappears with the isolation, you can install the
optional VCOSHLDKT which shields the VFO inductor.
73,
Don W3FPR
Hello Calvin,
Welcome to the Elecraft List.
Were you using a dummy load or your antenna when looking at your K2's output
with an Oscilloscope?
Is the frequency of the modulation/ ripple which you see equal to the
sidetone frequency, or a harmonic of the sidetone's frequency, which you are
usi
Hello, First time posting to the list.
Completed K2 #7239 today. Made a contact with a station on cw, 10 watts,
7.1065 mhz. He reported back that my CW signal had a very heavy ripple on the
signal.
I connected the output to a Oscilloscope and was able to see a ripple on the
waveform when key
7 matches
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