Re: Harmonics and Relay Replacement
With reference to the article, where the?AXICOM type D2n V23105- *A5476* -A201 is described as the best relay http://www.i1wqrlinkradio.com/antype/ch97/chiave50.htm I have located some of these in
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Nigel G4ZAL <nigel@...>
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#60691
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Re: Buy in INDIA
Taxes may make the difference and it is well possible you buy goods at more favorably prices (and sometimes of better quality) outside the country. It's called microeconomics.
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iz oos
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#60690
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Re: Buy in INDIA
I would be willing to pay extra just for the chance to meet ashar. KF4FTR
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Christopher Miller
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#60689
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Re: Buy in INDIA
By any god/s you care to name! I'd be astonished to find NZ produce cheaper overseas! What sort of upside-down system are you living in?
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Dexter N Muir
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#60688
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Re: Simpler spur fix
All Be careful using SMD inductors in Low Pass Filters: they may have trouble handling the required power, and the lower Q may affect the filter characteristics. Also be careful using SMD inductors in
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Hans Summers
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#60687
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Re: Harmonics and Relay Replacement
Am 14.10.2018 um 23:57 schrieb Joe Puma: Hello Joe, It is not a big problem to get the HFD27 desoldered. A good desolder litz (I used 2,5mm from Felder) and a bit judding and pulling an they will come
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Matthias Zwoch
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#60686
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Re: Simpler spur fix
It picks up TX signal just like L5. L1 is the worst. If you put uBitx on the analyzer and bring your finger near L1 you will see huge comb like oscillations. SMD removes that. Probably due to Hi Q of
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Raj vu2zap
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#60685
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Re: BITX40 problem
#radiuno
#parts
#bitx40help
#bitx40
can you forward me the email that you wrote to hfsiganls? i will follow it up with them - f infosamaphoto@...> wrote:
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Ashhar Farhan
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#60684
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Re: Buy in INDIA
it is easier (and probably cheaper) to buy it abroad. there are extra taxes in india. - f wrote:
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Ashhar Farhan
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#60683
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Re: Harmonics and Relay Replacement
Would be there at significant advantage to replace all the 5 relays, or is enough to replace only the three at the PA LPFs?
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iz oos
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#60682
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Re: Simpler spur fix
Raj, what is wrong with the stock 30mhz LPF?
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iz oos
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#60681
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Re: Emissions allowed In Band Segments
Indeed, 60m, 4m, 1.25m and 33cm are not allowed in many countries. Il 15/ott/2018 04:41, "Curt via Groups.Io" <wb8yyy@...> ha scritto:
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iz oos
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#60680
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Re: BITX40 problem
#radiuno
#parts
#bitx40help
#bitx40
Good morning Brian yes the raduino is connected right, it's the first thing I looked at .. It has never worked! They replaced my motherboard but nothing changed! So only the raduino is left! Before
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SaMa photo SaMa photo
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#60679
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Re: Simpler spur fix
It is exactly the same. S+M seems the brand. To replicate my board best to use these. Thanks for locating the source. Also buy some 331 for the 30MHz LPF filter.. 4 per board. Raj
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Raj vu2zap
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#60678
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Re: Usb lsb invertiti R3
Hi, Sometimes the calibrations are off enough to reverse the USB and LSB settings. I assume they were initially set correctly, but somehow get changed. If you hunt around in the messages you will find
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Tom, wb6b
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#60677
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Buy in INDIA
I am travelling to India soon and would like to pick. A coupe Bitx40's any idea where I might find any near Mumbai?
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Ben Johnson
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#60676
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Re: Emissions allowed In Band Segments
Yes USA. Direct copy of FCC part 97 Para. 305. Mike K5ESS Sent: Sunday, October 14, 2018 9:42 PM To: [email protected] Subject: Re: [BITX20] Emissions allowed In Band Segments You didn't specify which
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K5ESS
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#60675
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Re: Emissions allowed In Band Segments
You didn't specify which nation or itu region. This looks like maybe a USA list, no 4m band etc. These nuances do vary some around the world. Curt
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Curt
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#60674
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Re: BITX40 problem
#radiuno
#parts
#bitx40help
#bitx40
Hi Sergio, Have you got the wiring of the Raduino to the Bitx40 main board correct? The brown wire from the Raduino connects to the black wire on the main board connector and the red wire from the
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Brian
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#60673
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Re: Harmonics and Relay Replacement
Here are snapshots for 20 and 10 meters after the relays were replaced with the Axicom components. Sorry, I didn¡¯t capture the harmonics profile at 14.2 and 28.8 Mhz before the relay change but
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Ripley
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#60672
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