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Re: Bonehead mistake, hard to detect
Yes, you could. Jack, W8TEE *** Wow.? That *is* fussy.? Could you at least cast it to (void)? ? ? ? ? ? ? ? ? ? - Jerry
By Jack, W8TEE <jjpurdum@...> · #88493 ·
Re: ??IF Stage doubts??
Sunil, good to see you jump in here! It is good that you have the Easy Bitx available, especially now that most other single band kits such as the Bitx40 from hfsignals.com and the Bitx20A from
By Jerry Gaffke · #88492 ·
Re: #ubitxv6-help Adding the W2AEW AGC to the uBitx v6 #ubitxv6-help
The big advantage of the circuit you have chosen is that it is portable between different pieces of equipment, just plug it into the headphone jack. You do need to supply 12v to it somehow, and it
By Jerry Gaffke · #88491 ·
Re: ??IF Stage doubts??
Transistors are all compatible. The Hfe of stock transistors is barely between 150-190 The 550c that I have put have a fairly equal compatibility. Original Bitx design says all transistors to be 547s
By arorasimran@... · #88490 ·
Re: ??IF Stage doubts??
CRO is 30MHz. I am pretty sure it can do 9Mhz by nyquest theorem. Also 14 or 13 Mhz atleast by the same crude logic. Why would BFO and VCO shift when only one is altered? --
By arorasimran@... · #88489 ·
Re: #ubitxv6-help Adding the W2AEW AGC to the uBitx v6 #ubitxv6-help
Jerry, thank you very much. This is most helpful. I think I'm going to buy AA 143 germanium diodes. Strange that they are 1,35€ each in comparison to the 0,04€ for each transistor. Will keep you
By Michael DK1MI/N1BSD · #88488 ·
Re: ??IF Stage doubts??
It appears that things have been mixed. BFO should be near about 9.996 Mhz and not 9.96.Measure frequency for VFO at 17 Mhz for 40mtrs and 4 Mhz for 20 mtr version?An oscilloscope shall be inadequate
By lkorahul · #88487 ·
Re: ??IF Stage doubts??
The easy bitx been successfully build by many hams in India and abroad I shall be posting links and DDS sketch soon. Mr Arora is building bitx for first time. I advised him to strictly follow the
By Sunil Lakhani · #88486 ·
Re: Bonehead mistake, hard to detect
*** Wow. That *is* fussy. Could you at least cast it to (void)? - Jerry
By [email protected] <jerry@...> · #88485 ·
Re: Bonehead mistake, hard to detect
Warnings are a mixed blessing. It is so frustrating to be not able to eliminate them. I have a similar struggle with kicad, the pcb design software. I dont understand much of it but, there is a sanity
By Ashhar Farhan · #88484 ·
Re: Bonehead mistake, hard to detect
The C compiler my company marketed had a Picky Flag that could be set from 0 to 10. Level 10 was infuriating. Indeed, Level 7 said that any printf() call had to be of the form: ???
By Jack, W8TEE <jjpurdum@...> · #88483 ·
Re: Bonehead mistake, hard to detect
Just as an aside - I used to do CNC programming in the RS-274 G-Code language.? We had a graphic analyser that ran on a PC, but there were a few discrepancies between how the analyser ran and how the
By Gerald Sherman · #88482 ·
Re: Bonehead mistake, hard to detect
I hate to think of the many time this has happened to me. Then there is warning overload, where you take a quick look, but warnings that may actually be important get lost in the noise. I wonder what
By Tom, wb6b · #88481 ·
Re: Bonehead mistake, hard to detect
This is a very good idea for the development phase, but be careful in the production phase. I was contributing to a Google open source project. One of the Google developers, for software religious
By Tom, wb6b · #88480 ·
Re: ??IF Stage doubts??
I don't have instruments just LCR frequency meter- Tip RF- only basic wattmeter was more from experience in assemblies that I adjusted and it was very good at 40m voce pode de add no Whatzapp
By Carlos · #88479 ·
Re: ??IF Stage doubts??
yea all voltage measurements seem fine as per the chart. Do you have a CRO and can you help with 1)Waveforms of BFO and VFO individually 2)Can you change VFO and see whether BFO changes and vice a
By arorasimran@... · #88478 ·
Re: ??IF Stage doubts??
Hello everyone, I already configured the 3 E-bitx all working very well. They were assembled strictly in accordance with the manual and prior to the placement of the BPF and the toroidal inductors
By Carlos · #88477 ·
Re: New Toy
Hi John, I was indeed worried about this. The box is pretty big compared to the amp & LPF boards, and I might just solder up an internal box made of PC board stock. Thought I might just put it
By [email protected] <jerry@...> · #88476 ·
Re: New Toy
Hi Jerry, What are you doing for shielding? Are you using conductive filament or a metal box inside the enclosure? I found the Chinese boards to radiate all kind of junk through the wiring and from
By John Cunliffe W7ZQ <n2nep@...> · #88475 ·
Re: ??IF Stage doubts??
E.BITX is easy bitx. Sunil I am pretty comfortable with coding. Thanks for pointing out the different IF frequencies Are there any people around who have used E.Bitx with its stock firmware and got
By arorasimran@... · #88474 ·