Re: Mic pin voltage
Laurence,
You should see about 10V approx.
I think your electret mic polarity is wrong. The solder pad connected to the can of the mic is -ve or grounded.
Raj
By
Raj vu2zap
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#66478
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Re: Ordered my v5 ubitx today, case delivery tomorrow!
Awesome! Yes I am excited! A CD came with it, and I expect that to be software. My laptop is at church where I pastor, I left it there to do sermons... looks like I'm bringing it home to see what's on
By
Kelly Mabry <kmabry2007@...>
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#66477
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Re: Ordered my v5 ubitx today, case delivery tomorrow!
I recently bought their case for a new V5 uBitx as well as a case upgrade for my Bitx40. They are indeed quite nice and the included extras simplify the wiring greatly. I also like not having to
By
tdelozie
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#66476
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Re: Ordered my v5 ubitx today, case delivery tomorrow!
In addition,? I plugged the ubitx tracking number into the DHL site -- due here Friday!! -- Mind blown....lol
Kelly K5AID
By
Kelly Mabry <kmabry2007@...>
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#66475
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Re: Ordered my v5 ubitx today, case delivery tomorrow!
Yes, Martin I intend to dry fit the chassis parts tomorrow; the shack is not completely built, so I cant run in there to inspect everything. However I am going to have the time tomorrow, and space in
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Kelly Mabry <kmabry2007@...>
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#66474
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Re: Ordered my v5 ubitx today, case delivery tomorrow!
The Post Office works well too! I am in Canada and opted to use postal delivery. My uBitX was shipped on 23 Feb and I received it yesterday (Monday) 11 Mar. Very good compared with the month or so
By
Martin Potter <ve3oat@...>
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#66473
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Re: The issue I spoke about on the V4 with 20m and CW FCC tests
Nata Net
See you on Natanet
Will work you as last call.
Dave k0mbt
By
_Dave_ AD0B
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#66472
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Re: Balanced Mixer Audio Input Impedance
read what really matters is that the load, in this case the ubitx mic input
has higher impedance than the source.
By
iz oos
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#66471
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Re: Balanced Mixer Audio Input Impedance
I am not an expert but I have tried many capsules types. Hams are obsessed
about impedance mismatch. That is important at RF, as far as I know at
audio what really matters is that the load, in this
By
iz oos
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#66470
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Re: Ordered my v5 ubitx today, case delivery tomorrow!
Thanks Curt, I certainly? will enjoy this! Expect to be receiving my v5 board soon. I think I know what you are referring to.. the front panel connection kit, and the rear PC board kit for the back
By
Kelly Mabry <kmabry2007@...>
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#66469
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Re: Ordered my v5 ubitx today, case delivery tomorrow!
I am using same case. Please note the interconnecting wires, with the specific mating connectors, are a useful add on to purchase.
See ubitx.com website hosted by Sunil for a growing set of
By
Curt
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#66468
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Re: OEM Display Lights up, All Solid Blocks
Would be nice to figure out why this happens.
A few possibilities:
? ? A)? Miswires, static discharge, reverse voltage, connector installed one pin over or reversed, blow the processor?
? ? B)?
By
Jerry Gaffke
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#66467
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Balanced Mixer Audio Input Impedance
I built a mic amp and compressor/limiter to use with my uBitx V4.3. The op amp in my mic compressor/limiter is sufficient to directly drive the dual diode balanced mixer. I was wondering what input
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frederick.brown@...
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#66466
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Re: OEM Display Lights up, All Solid Blocks
That needs to be on the homepage - for ANY Bitx! The number of queries here ... :(
By
Dexter N Muir
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#66465
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Re: lm386
since the ubitx has "devolved" to using the lm386 audio amp like nearly every other qrp rig in existence, I thought an audio band-pass filter might be useful ...as per attached photo, an LC lowpass
By
jim <ab7vf@...>
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#66464
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Re: Ordered my v5 ubitx today, case delivery tomorrow!
Just got the ubitx case today, as per tracking... AND, according to PayPal I received a shipping notice with tracking number from HFsignals.com last night... oh my!? I am ecstatic.? That means my
By
Kelly Mabry <kmabry2007@...>
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#66463
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Re: In search of a Raduino
#bitx40
#raduino
I have 2 ea raduinos removed from working radios and one from a UBITX for sale. Contact me off list
K6kwq good in QRZ
Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows
By
RICHARD <k6kwq@...>
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#66462
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Re: Nextion Tune Button
Agree. That's why the OOP/C++ stuff is in the last chapter of the book.
Jack, W8TEE
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Jack Purdum <jjpurdum@...>
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#66461
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Re: Nextion Tune Button
Jerry:
Someone once said C is powerful enough to let you shoot yourself in the foot, but C++ has the power to blow your entire leg off. I think that's true. There are features in C++ that I rarely
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Jack Purdum <jjpurdum@...>
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#66460
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Re: Convenient little DC input switching adapter from TSW now available
#bitx20
#bitx40
#ubitx
It's a simple interconnect device. Power supply goes to "IN", "OUT" goes to the radio's Power input, and "SWITCH" goes to the on/off switch. This centralizes the power connections and if you need to
By
Jim Sheldon
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#66459
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