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Re: Micro BitX No Audio TDA2822?
Could work, first time this was suggested. An extra wire, the Raduino regulator would get hotter. ?
By Jerry Gaffke · #44680 ·
Re: RD transistors, unobtanium?
Title. Fake news. Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ Owner - Operator Big Signal Ranch – K9ZC Staunton, Illinois Owner – Operator Villa Grand Piton -
By K9HZ · #44679 ·
Re: RD transistors, unobtanium?
Where did this info come from? RF Parts shows these in stock. I just purchased both the RD16HHF1 and RD15HVF1 in quantity from RF parts and received them in 2 days. Mitsubishi still shows these on
By Dave Bottom <ars.kd6az@...> · #44678 ·
Re: RD transistors, unobtanium?
Actually, the closest available MOSET to the IRF510 is the IRF512, which is the same device, only it is rated for a drain voltage of 100v. It goes by other numbers as well. There are many devices
By John Backo · #44677 ·
Re: 13.8 v power supplies safe for bitx?
When you current limit the PA you are doing the same thing that happens when you overdrive a linear amp and cause flat-topping, i.e. the PA is driven out of its linear range. That causes spurious
By Tim Gorman · #44676 ·
Re: Micro BitX No Audio TDA2822?
Jerry has the group discussed pulling 5v from somewhere else like use the 5v that powers the Raduino? Maybe temporarily until they can get a regulator and or new WX chip? Joe KD2NFC
By Joe Puma <kd2nfc@...> · #44675 ·
Re: Raduino oscilators. 33mhz and 57mhz. Documentation says one thinng, but this is what I measured.
Jerry, A lucid and easy to follow explanation! Thank you! tim ab0wr "Jerry Gaffke via Groups.Io" <jgaffke@...> wrote:
By Tim Gorman · #44674 ·
Re: Soldering gun or iron
I used to watch my grandfather repair tube TV’s with this one.
By Joe Puma <kd2nfc@...> · #44673 ·
Re: USB interface cable installation uBITX
I used the one foot long cable and it fit perfectly in the Hammond Case as you can see. I ordered it on Amazon just because they can deliver in one hour, or next day depending on how quickly you want
By Dave Bottom <ars.kd6az@...> · #44672 ·
Re: finally finished my ubitx
Looks great Tim, I agree with you, it's a nice rig for anyone. Joel N6ALT
By Joel Caulkins/N6ALT · #44671 ·
finally finished my ubitx
Finally found time to finish up my ubitx. I am *impressed*. Tuning works fine. Audio sounds fine. Calibration is dead on. BFO is dead on. Using a 16ohm speaker the audio is plenty loud and the ws
By Tim Gorman · #44670 ·
Re: Looking for Completely Functional Dual-Band 20/(17/15/10/6) Meter QRP Rig with SSB/PSK #bitx20help
Go for Quansheng uv-r50.? Far far better than
By Sajid Rahum · #44669 ·
Re: Micro BitX No Audio TDA2822?
Thanks Jerry I did see the other fix to add LM7805 regulator plus 1 .1uF cap.? I will order 2073D if someone has tried it as well.
By Sajid Rahum · #44668 ·
Re: Soldering gun or iron
The 862D+ is going for about $50-$55 right now. I have two of them and they both work great. Vince. -- Michigan VHF Corp. http://www.nobucks.net/ http://www.CDupe.com/
By Vince Vielhaber <vev@...> · #44667 ·
Re: Soldering gun or iron
I have a small butane torch (harbor freight) that comes just before the propane torch. Vince.
By Vince Vielhaber <vev@...> · #44666 ·
Re: Encoder details from various suppliers
I wish they (Chinese ebay sellers) were a little easier to communicate with. The generally send this pre-packaged reply which says " We do not care about that detail" ! There is one, called Alice with
By Michael Shreeve · #44665 ·
Re: Soldering gun or iron
Weller WTCPT Soldering Station ( http://www.eham.net/reviews/detail/4478 )
By Randy · #44664 ·
Re: Soldering gun or iron
Me, too. I got: It was about $70 and it's pretty nice for the money. It has an iron, but also hot air. I've only used it a few times, as I use my old iron for thru-hole stuff. Jack, W8TEE
By Jack Purdum <jjpurdum@...> · #44662 ·
Re: Soldering gun or iron
Thanks everyone for your suggestions and help. As soon as I get back the house I will do some more research as recommended on the iron and other parts. I am currently waiting by my mail box for DHL
By Fr Richard R <rickocr2005@...> · #44661 ·
Re: Soldering gun or iron
I purchased a hot air rework / iron station for around 70$ I can do smd work with it
By Christopher Miller · #44660 ·