Re: Bitx 20 help
#w8tee
Indeed!
By
Jerry Gaffke
·
#27506
·
|
Re: Bitx 20 help
#w8tee
For the transformers in the BITX40Module, Farhan uses FT-37-43 cores.?? That is type 43 ferrite material.?? He has ten turns trifilar on those cores.? 10 turns on that core is about 34uH.????
By
Bill Meara
·
#27505
·
|
Re: Bitx 20 help
#w8tee
Huseyin: What you are looking for are FT-37-43 and FT-50-43 cores. These are not powdered metal cores; they are ferrite cores. The red, yellow, and white cores are powdered iron; they work ok in BPF
By
John Backo
·
#27504
·
|
Re: Raduino_v1.13 with scan function released
Hi Allard: I really all the features of version 1.13, however I can not get the scan work, I have typed in all the parameters. When I go back to normal and try to start the scan mode nothing happens,
By
Ross Bell
·
#27503
·
|
Re: Change from TX offset to RX offset in future code versions?
IMO there's no one "right" way. Either way is correct. I own several older rigs and they use different methods. For example Yaesu FT-901 has RX offset, Kenwood TS-830 has TX offset. But in all cases
By
Allard PE1NWL
·
#27502
·
|
Re: Conflicting information
I once asked Peter Parker directly through Youtube about that, where he said "power supply noise filter circuits may be your best friend here." I found that if you power the PA separately, you can tap
By
John Smith
·
#27501
·
|
Re: question about dan's small parts and kits...
I'm pretty sure I made a check out to Dan's Small Parts. I don't think he has an email address. I had to use snail mail for everything and never did get a response by phone. That said, I wouldn't
By
Jack Purdum <econjack@...>
·
#27500
·
|
Re: Conflicting information
I agree with your analysis, however by turning off the 12 volt supply I never have to be concerned with a faulty diode or any other problem. The 12 volt supply is not needed and it is a minor effort
By
Dr Fred Hambrecht
·
#27499
·
|
Re: Conflicting information
Jack and ...., I tried adding a fan very similar to the one pictured and it introduced a "whirring" noise into the audio that I could not get rid of. It was wired up to the main supply voltage via the
By
N7PXY <hickspj467@...>
·
#27498
·
|
Re: question about dan's small parts and kits...
Last time I ordered from them I made the money order out to ¡°Dan¡¯s Small Parts and Kits¡± Mike K5ESS Sent: Thursday, June 01, 2017 1:45 PM To: [email protected] Subject: [BITX20] question about
By
K5ESS
·
#27497
·
|
Re: Handheld Mic w/ PTT for BITX40
Almost the same here, loads of spare connectors from previous projects, and a spare microphone. Result... no outlay for new bits. More to spend on strip board and knobs etc. Phil - G7BZD
By
philip yates <phil@...>
·
#27496
·
|
Re: Handheld Mic w/ PTT for BITX40
I really should have updated this thread. I have gone a different direction with the mic. I built one from scratch, and it's worked out nicely. I used 8 pin mic connectors because I got 5 of them for
By
Ryan Flowers
·
#27495
·
|
Re: question about dan's small parts and kits...
You make it out to Dan's Small Parts and Kits. Have ordered from him numerous times. Also see?http://stores.ebay.com/twisttwinkel ( http://stores.ebay.com/twisttwinkel )?his online ebay store.
By
bigdswitzer
·
#27494
·
|
question about dan's small parts and kits...
GM - I am putting together an order to send to Dan's Small Parts in Montana. Per Dan's instructions, I am sending a USPS money order. Does anyone here know to whom the money order should be made out?
By
bill
·
#27493
·
|
Re: Conflicting information
I have a 60mm PC fan in my holiday tin enclosure without vents. I use the separate PA power input with a step down buck converter to power the fan without the noise you get when tapping into the main
By
John Smith
·
#27492
·
|
Re: Change from TX offset to RX offset in future code versions?
Reformatting makes it easier to read. diff -b ignore changes in white space. But I don't plan on messing with the Raduino code. I'm in the process of writing one myself. Vince - KA8CSH -- Michigan VHF
By
Vince Vielhaber <vev@...>
·
#27491
·
|
Re: W8TEE TFT/VFO Board from FDIM talk
Frustrating. I did find several listings on eBay if that is suitable. All located in China however so subject to several weeks wait for shipping http://www.ebay.com/itm//121792606612
By
Graham <planophore@...>
·
#27490
·
|
Re: Change from TX offset to RX offset in future code versions?
I tend to agree with Bob. ? But Allard is doing a great job in getting that firmware sorted out, and I'm looking forward to seeing the end result of his process. I've been kibitzing now and then as
By
Jerry Gaffke
·
#27489
·
|
Re: Conflicting information
Yep, I do think that's better. BTW, I think I'm going to add a 25mmx25mm mini fan to the back of the case right behind the PA. (See picture.) My enclosure doesn't have any airflow, so I found these
By
Jack Purdum <econjack@...>
·
#27488
·
|
Re: Handheld Mic w/ PTT for BITX40
Pins 1, 7, 6, 5 are all that needs connecting, I too use the HM-36. Phil - G7BZD
By
philip yates <phil@...>
·
#27487
·
|