Re: Antuino - the antenna analyzer
It already is a simple SA. Just shut down CLK1 coming out of the SI5351. Includes a tracking generator at CLK0/P4. Jerry, KE7ER
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Jerry Gaffke
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#63067
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Re: The K5BCQ AGC and PopFix schematics as pdf's, list of parts from Mouser
That list of part numbers is all surface mount, appropriate for? the board design that Kees did. My way of encouraging somebody else to take up producing the kits. Here's the two threads relating to
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Jerry Gaffke
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#63066
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Re: Antuino - the antenna analyzer
This could easily be turned into a simple SA. I¡¯ll bet Kees already has the boards mocked up¡ Sent: Thursday, December 27, 2018 10:28 PM To: [email protected] Subject: [BITX20] Antuino - the
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MadRadioModder
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#63065
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Re: Antuino - the antenna analyzer
Farhan Very good RF analyzer design and build. Is that going to become a BITX-Labs product at some future time? Happy New Year! Arv K7HKL _._
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Arv Evans
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#63064
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Re: Straight Key Night
Any thoughts about a uBITX cw freq? 077 would seem a bad bet but it would be nice if we had a cw watering hole in addition to 177/277. Hope to catch some of you on. Scott Ka9p
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Scott McDonald
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#63063
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Re: Bitx40 - Not Transmitting
#bitx40help
#bitx40
Which is to say the old mike failed then you put a new one in with wrong polarity ??? Timothy E. Fidler : Engineer BE Mech(1) Auckland , NDT specialist AINDT UT /RT3 , MT2 CB #2885,? Telephone
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Timothy Fidler <engstr@...>
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#63062
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Re: Bitx40 - Not Transmitting
#bitx40help
#bitx40
Hooray? !!!? Thank you all for the assistance. The root cause was connecting the mic with the wrong polarity. A new mic and correct polarity connection and I am sorted. I have learned a valuable
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Gary.ingle@...
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#63061
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Re: Antuino - the antenna analyzer
Jerry, Despite the data sheet implying that pins 1,4,and 5 are tied together internally only pins 1 and 5 are tied together. I just examined one to confirm this. Mike K5ESS Sent: Thursday, December
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K5ESS
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#63060
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Re: BitX40 low power output
#bitx40
Jerry, thanks for the tips. I was able to adjust RV1 and see 100mA with the key down and no audio input. However, I do not see the 1A current when shouting/whistling into the mic. My "power meter" is
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David Arthur
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#63059
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Re: uBITXv4 for sale
#ubitx
Who is that? Is that you Jack?
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Gordon Gibby <ggibby@...>
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#63058
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Re: uBITXv4 for sale
#ubitx
I have too many radios! Naw. This is too many radios... Jack W8TEE
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Jack Purdum <jjpurdum@...>
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#63057
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Re: Straight Key Night
Hi Mike, Thanks for the reminder. I will try to get some operating time in for that. Most of my time will be taken by another long, old tradition - taking my lady out to a new years eve supper, party,
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Bill Cromwell
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#63056
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Straight Key Night
As a thought, if you own one of these you should get on the air on Monday night with your Ubitx for Straight Key Night. It is a long old ham radio tradition. *Objective: *This 24-hour event is not a
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Michael Walker <va3mw@...>
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#63055
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Re: uBITXv4 for sale
#ubitx
Hi Jim: I am outside CoNus ( Puerto Rico) and would like to buy it Miguel WP4ZI On Fri, Dec 28, 2018 at 10:14, Bill Cromwell<wrcromwell@...> wrote: Hi Jim, There is no need any more to restrict
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Bob Villa
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#63054
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Re: uBITXv4 for sale
#ubitx
Hi Jim, There is no need any more to restrict sales to the 48 CONtigious United States via USPS. The priority and flat rate shipping is good for ALL states and any US territories. That includes the
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Bill Cromwell
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#63053
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uBITXv4 for sale
#ubitx
I have too many radios! (like 6 transceivers, including another uBITX)? This is a version 4 uBITX in a nice case (Fry's).? It has a 2.8" Nextion display, AGC/S meter, Axicom relays, and an LM386
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Jim Reagan
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#63052
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Re: Bitx40 - Not Transmitting
#bitx40help
#bitx40
Electret and Ceramic are two different types AFAIK. Electret is not AKA ceramic.
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Raj vu2zap
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#63051
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Re: Bitx40 - Not Transmitting
#bitx40help
#bitx40
Thank you, Timothy It seems that the mic may be the underlying cause and if I have connected it in reverse polarity I may have damaged it. Then testing with a damaged mic has invalidated all the tests
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Gary.ingle@...
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#63050
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Re: Bitx40 - Not Transmitting
#bitx40help
#bitx40
On a related matter, the? heat sink of the IRF 510 on this tcvr and also on the uBitx? is live to ground ( It's a feature !!) Bear that in mind when working on it or casing it.? The Fuse on the
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Timothy Fidler <engstr@...>
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#63049
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Re: Bitx40 - Not Transmitting
#bitx40help
#bitx40
Polarity it critical. There is a small Linear IC equiv approx to? a u741 built into the mic insert.? ?Generally one of the mic solder tabs on the back will? be marked with a posittive to show
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Timothy Fidler <engstr@...>
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#63048
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