[Elecraft] HW-101

[WILLIS COOKE]

Mike, chirp is a sign of VFO instability.  It is normal to have a slight amount of chirp on tube type transceivers and transmitters.  The "rock solid" CW that is typical of today's phase lock loop products may elude you.  So, it depends on how much chirp you have whether you can cure it.  Look at the voltage on the VFO and see if it changes any at all with key down.  If it does, look at the regulator for the VFO.  The HW-101 should not chirp badly if properly set up, but you may not be able to eliminate all of it.  Also, Heathkit used poor quality surplus components in their kits and the circuits may need redesign.  I have repaired wiring errors in the factory wired circuits of Heath products and seen circumstances where components were not as marked or needed different values when the product was new.  You need to recognize that the HW-101, though popular was not up to 1970 standards and is now 40 years old in addition.


Willis 'Cookie' Cooke 
K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart

From: vicki glover <glover3149 at comcast.net>
To: elecraft at mailman.qth.net
Sent: Monday, July 25, 2011 1:09 PM
Subject: [Elecraft] HW-101

Guys, 
I know this probably is wrong place to be asking questions about the heathkit, but, I'm desperate!  Anybody have any suggestions to correct "chip" in cw transmission?
73
mike-kb3qja
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