I was very glad to see Wes W4JYK finish this reciever. Wes is a member of our local radio club -- the Vienna Wireless Society, and is part of the club's Makers Group.
Wes writes:
The DCR is up and running. Listened to East Cars Net along with a few other stations. Very cool! and good project.
Thanks Wes and congratulations on entering the Hall of Fame!
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Posts
I like the fine-tuning variable capacitor. Nice job!
ReplyDeleteThanks
DeleteBeautifuly done! I was wondering if a small variable cap would work for fine-tuning. Question answered.
ReplyDeleteIt does work pretty well. My capacitor is a low value as it has only 2 plates.
Deletewhat is the value of the variable cap and how much change do you think it gives you? 50kHz?
DeleteI'll check and let you know.
DeleteThe variable capacitor goes from 12 pF to 15 pF, approximately 3 pF difference which results in 60 kHz frequency change. That is pretty low on my capacitance meter so the accuracy is in question. Haven't done the math to see if it makes sense.
ReplyDelete