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Date
Re: New siglent on the way
Thank you guys, but I already had a series of adapters, series of of BNC attenuators, a 6 dB N rated at 2 watts and heathkit Cantenna with a homemade attenuator and now a commercial 50 W dummy load
By Gordon Gibby <ggibby@...> · #67774 ·
HERE IS A cap (CHEAP AS POSSIBLE) WAY TO CONNECT UbITX OUTPUT TO A SCOPE, METER, FREQUENCY COUNTER OR SPECTRUM ANALYZER
This utube sight has several videos on DIY test gear and dozens on radio repair. https://www.youtube.com/watch?v=RLwZFlP9wr8
By Michael Mitchell <mitchellmichaelh@...> · #67773 ·
Some are looking for dummy ;load for uBitx here is watts up
W8TEE designed this dummy load and published it on a webpage (which now seems inactive.) and QST magazine
By Michael Mitchell <mitchellmichaelh@...> · #67772 ·
Re: Raduino with a different SDR?
I use gqrx on my Ubuntu laptop. I've written several Perl and wxPerl applications that use the UDP interface to implement various scanner functions. The UDP interface implements a subset of the rigctl
By James Lynes <jmlynesjr@...> · #67771 ·
Standalone signal analyzer
Hi guys it's Kelly I'm thinking of trying to add to Standalone signal analyzer to my ubitx. I have added a buck converter from 12 volts down to 5.1 volts at 3A. I currently have it successfully
By Kelly Mabry <kmabry2007@...> · #67770 ·
Re: Microphone choices
I bought a new old stock Cobra CB mic for $5 and gutted it. ?I used the original switch that came with the mic and used the element that came with the uBitx kit and put a 4 pin mic connector on the
By Curt M. · #67769 ·
Re: ubitx v5 down: IRF510 heatsink very hot immediately after turning on the radio #ubitx-help #ubitx
Hi Evan, I created a small test amplifier on a breadboard to test the uBitx LM386 in isolation. It still works fine. It was an interesting learning experience to build this test
By Jens Kaemmerer · #67768 ·
Re: New siglent on the way
Correction: The 2000 ohm 3 Watt resistor is Mouser 283-2.0K-RC
By Jerry Gaffke · #67767 ·
Re: Raduino with a different SDR?
Could simply replace the Nano clone on the Raduino with a Raspberry Pi Zero. Easier to keep all software on one processor, no need to communicate with another processor.? Would need to port the uBitx
By Jerry Gaffke · #67766 ·
Re: New siglent on the way
I'm not so sure there is much point in buying a special high power 20dB attenuator. Even at 10 Watts, a 20dB attenuator would be rather expensive. You probably already have a 50 ohm dummy load
By Jerry Gaffke · #67765 ·
suscribirse
Enviado desde Correo para Windows 10
By Os <cl8ocb@...> · #67764 ·
Re: New siglent on the way
I have a Siglent that I have been wanting to find time to throw the uBitx on. Time is something I have in short supply right now. ;) I'll let the group know once I find some time.
By Diane Bruce · #67763 ·
Re: [JackAl] JackAL source code
tors 11 apr. 2019 kl. 15:13 skrev Jack Purdum via Groups.Io <jjpurdum= [email protected]>:
By arne gegerfelt · #67762 ·
Re: CW key sticking with Nextion LCD, still getting RF in
There is a uBitx "keying" board by W0EB on QRP Guys, might be relevant to your issue. https://qrpguys.com/ubitx-cw-conditioning-adapter 73 Jack KZ5A
By Jack Brabham - KZ5A <kz5a@...> · #67761 ·
Re: New siglent on the way
We won't hold Gordon to making great advances with the acquisition of? this nice tool, but bonne voyage on having the dBs and MHz's presented.? (Okay he is welcome to further solve the v3 and v4
By Curt · #67760 ·
Re: CW key sticking with Nextion LCD, still getting RF in
My fix for sticky controls I have had rf on the ptt on 20. SWR was 1:1 My solution was to put a choke on the mic wires inside the box. Can imagine that using a small toroid on the key wires would
By _Dave_ AD0B · #67759 ·
Re: New siglent on the way
Gordon, Congrats, you will learn a lot from an analyser. You will also need some attenuators and dummy load type power attenuators. A 30db power attenuator rated for more than 100W will suffice
By Raj vu2zap · #67758 ·
Re: Raduino with a different SDR?
The RasPi has heaps of GPIO too - I'm wondering if the likes of a 'zero' could take some of the 'control ' and display functions from the Raduino? Would/could I^2C tie them? There must be a heap of
By Dexter N Muir · #67757 ·
Re: CW key sticking with Nextion LCD, still getting RF in
Happy to say running shielded wires and making sure metal contacts like mic plug is grounding to case and everything else. I am not hearing any RF in the CW delay on my antenna.
By Joe Puma <kd2nfc@...> · #67756 ·
Re: Raduino with a different SDR?
There is piHPSDR too¡­ Probably more common. It¡¯s being used by most for the Radioberry currently. https://github.com/g0orx/pihpsdr Sent: Thursday, April 11, 2019 10:33 PM To:
By MadRadioModder · #67755 ·