That's quite funny!
They probably shopped the labels out to the local printer with the lowest bid,
didn't really care about minor errors so long as it mostly looked right.
Does make you wonder how thorough a job they did in copying the electronics.
I might have trouble cloning a label with Chinese ideographs.
Jerry, KE7ER
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On Mon, Jan 11, 2021 at 10:07 AM, Scott McDonald wrote:
Amazingly, the language on the label of the clone I received from Ebay wasn't even copied well.
?
On the back the word "AVOID" is spelled "AVDIO", "Spectrum" is spelled "Spertrum" and "DISCHARGE" is spelled "DISQHARGE".
?
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Amazingly, the language on the label of the clone I received from Ebay wasn't even copied well.
On the back the word "AVOID" is spelled "AVDIO", "Spectrum" is spelled "Spertrum" and "DISCHARGE" is spelled "DISQHARGE".
Scott ka9p
-----Original Message-----
From: Jerry Gaffke via groups.io <jgaffke@...>
To: [email protected]
Sent: Mon, Jan 11, 2021 11:55 am
Subject: Re: [BITX20] Spectral analyser
I'm pretty sure they cloned the label like they did everything else. It's all open source, cloning is acceptable to do. But these copies are there for the money, they have tried to build a copy but may have failed in some ways. Every dollar they can shave off their material cost by using 3rd rate parts means more profit. Thorough testing of each unit before shipping would cut into the profit. They haven't spent 6 months trying different things to see what works best. They don't necessarily understand all the minor issues that can make a difference in performance. The above is not always true. It could well be that a competitor pops up in the next few months that has a better product. Jerry, KE7ER On Mon, Jan 11, 2021 at 09:10 AM, Gerard wrote:
However, I do not know where the error is on the label on wrong. Perhaps the frequencies. If you know?
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I'll second that - I took a chance on an Ebay vendor several weeks ago as it was advertised as a version 0.3, not the version 0.4 clone, but when it arrived and I opened it up, it was a v0.3 clone.
Happily got my money back through Ebay because of the fraudulent representation, and got to keep the clone, which is pretty much functional, but 50 bucks at R and L for the real thing was a much better deal.
Scott ka9p?
-----Original Message-----
From: Roy Appleton <twelveoclockhigh@...>
To: [email protected]
Sent: Mon, Jan 11, 2021 11:24 am
Subject: Re: [BITX20] Spectral analyser
Did NOT buy the tinySA from someone on ebay. You will be guaranteed to receive a clone that will not pass its own self test! Only by from the approved list vendors.
Roy
WA0YMH
Here's a list of reputable vendors from the tinySA wiki:
? ??
Note that sells it for $49.95 (plus about $10 shipping) here in the US,
seems a better bet than going with a random ebay seller:
? ??
It's a successful product, clones of dubious quality are starting to show up.
Jerry, KE7ER
On Sun, Jan 10, 2021 at 10:40 PM, MadRadioModder wrote:
You can buy the TinySA on eBay for about $60 USD.? Works relatively well. Ive given away several to people that can¡¯t afford the Rigol.?
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I'm pretty sure they cloned the label like they did everything else.
It's all open source, cloning is acceptable to do.
But these copies are there for the money, they have tried to build a copy but may have failed in some ways.
Every dollar they can shave off their material cost by using 3rd rate parts means more profit.
Thorough testing of each unit before shipping would cut into the profit.
They haven't spent 6 months trying different things to see what works best.
They don't necessarily understand all the minor issues that can make a difference in performance.
The above is not always true.
It could well be that a competitor pops up in the next few months that has a better product.
Jerry, KE7ER
toggle quoted message
Show quoted text
On Mon, Jan 11, 2021 at 09:10 AM, Gerard wrote:
However, I do not know where the error is on the label on wrong. Perhaps the frequencies. If you know?
|
If you check the list you will see RandL are currently safe to buy from.
Roy WA0YMH
About from R&L Electronics?
Did NOT buy the tinySA from someone on ebay. You will be guaranteed to receive a clone that will not pass its own self test! Only by from the approved list vendors.
Roy WA0YMH
Here's a list of reputable vendors from the tinySA wiki:
? ??
Note that sells it for $49.95 (plus about $10 shipping) here in the US,
seems a better bet than going with a random ebay seller:
? ??
It's a successful product, clones of dubious quality are starting to show up.
Jerry, KE7ER
On Sun, Jan 10, 2021 at 10:40 PM, MadRadioModder wrote:
You can buy the TinySA on eBay for about $60 USD.? Works relatively well. Ive given away several to people that can¡¯t afford the Rigol.?
|
About from R&L Electronics?
Did NOT buy the tinySA from someone on ebay. You will be guaranteed to receive a clone that will not pass its own self test! Only by from the approved list vendors.
Roy WA0YMH
Here's a list of reputable vendors from the tinySA wiki:
? ??
Note that sells it for $49.95 (plus about $10 shipping) here in the US,
seems a better bet than going with a random ebay seller:
? ??
It's a successful product, clones of dubious quality are starting to show up.
Jerry, KE7ER
On Sun, Jan 10, 2021 at 10:40 PM, MadRadioModder wrote:
You can buy the TinySA on eBay for about $60 USD.? Works relatively well. Ive given away several to people that can¡¯t afford the Rigol.?
|
Did NOT buy the tinySA from someone on ebay. You will be guaranteed to receive a clone that will not pass its own self test! Only by from the approved list vendors.
Roy WA0YMH
Here's a list of reputable vendors from the tinySA wiki:
? ??
Note that sells it for $49.95 (plus about $10 shipping) here in the US,
seems a better bet than going with a random ebay seller:
? ??
It's a successful product, clones of dubious quality are starting to show up.
Jerry, KE7ER
On Sun, Jan 10, 2021 at 10:40 PM, MadRadioModder wrote:
You can buy the TinySA on eBay for about $60 USD.? Works relatively well. Ive given away several to people that can¡¯t afford the Rigol.?
|
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Great! I would like to know which transverters he uses and whether TX stability is fine or how is made acceptable. I had used in March 2019 a TS811 and a SGlab transverter, which was fine, but I would like to try the Ubitx or other non Big-Three rigs.
Il lun 11 gen 2021 02:53 PM padmanabhan cattamanchi via <PEPINDIA= [email protected]> ha scritto:
VU3FFM is on QO-100 regularly with a ubitx
Paddy VU2PEP/AC2DT
On Friday, January 8, 2021, 01:18:14 AM GMT+5:30, iz oos < and2oosiz2@...> wrote:
Hello everybody and HNY, Has anyone tried to operate QO-100 sat using a Ubitx? What a pity most operators in the US can't uplink that SAT!
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Here's a list of reputable vendors from the tinySA wiki:
? ??https://tinysa.org/wiki/pmwiki.php?n=Main.Buying
Note that randl.com sells it for $49.95 (plus about $10 shipping) here in the US,
seems a better bet than going with a random ebay seller:
? ??
It's a successful product, clones of dubious quality are starting to show up.
Jerry, KE7ER
On Sun, Jan 10, 2021 at 10:40 PM, MadRadioModder wrote:
You can buy the TinySA on eBay for about $60 USD. ?Works relatively well. Ive given away several to people that can¡¯t afford the Rigol.?
|
Mick,
With the agc switched to off, the S meter voltage is zero
therefore no noise.
Loren
On 1/11/2021 8:36 AM, Mick wrote:
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Loren,
did you notice if the noise was still there if you turned the agc
switch off?
--
?
73
Mick VA3EPM?
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Loren, did you notice if the noise was still there if you turned the agc switch off? -- ?
73
Mick VA3EPM?
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I bought the ubitx V6 complete kit and also the AGC board from
kit-project.com.? It was installed on the ubitx board as directed.? A
simple SPDT switch was attached to the board for OFF and FAST.? A
voltmeter was attached to the S meter tab.
The radio worked okay but when a strong carrier was tuned in and the S
meter voltage began to rise.? When the voltage became greater than 1
volt, a static/hash sound? was heard in the receiver.
This static noise seems to be generated whenever the S meter voltage
becomes greater than 1 volt.? It goes away when the S meter voltage drops.
I thought that I may have damaged the AGC board so I bought another one
but it behaves the same way.? Does anyone know how to get rid of this
noise?? thanks
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Paddy, what frequency and mode is VU3FFM using? -- ?
73
Mick VA3EPM?
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Thank's for your answers
I¡¯m gonna look at this from the January 14th fall sales
cdt
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Dear OM,? I am interested to buy.?? Please let me know how much total (including SPEED POST Postel charges to my address in INDIA) you require from me in advance. ?Best of 73s.? ?BALSUN. VU2UYC.
Saw these, may be of interest...
Pack of 10 - IRF3205 N Channel FET Transistor 55V
sale price $2.95
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VU3FFM is on QO-100 regularly with a ubitx
Paddy VU2PEP/AC2DT
On Friday, January 8, 2021, 01:18:14 AM GMT+5:30, iz oos <and2oosiz2@...> wrote:
Hello everybody and HNY, Has anyone tried to operate QO-100 sat using a Ubitx? What a pity most operators in the US can't uplink that SAT!
|
Hi Gerard,
actually the frequency measurement through a generator and an oscilloscope is possible only if you can synchronize the oscilloscope with the generator and if you have a mixer followed by a medium frequency and a logarithmic detector at the oscilloscope input, some time ago I made a small spectrum analyzer for my old HP181, it worked fine, it had a dynamics of about 90dB and a bandwidth of 300MHZ, the mixer was a module from Microcircuits, the MF and the quartz filter were a part of an old project of QST (analyzer for penniless HAM) and the logaritmic detector was a module with an AD8307.
The circuit isn't complex to build, but is it worth it?
Today there are so many KITs and so many small spectrum analyzers at such affordable prices that I don't think you need to venture into a home construction.
Do not be fooled by a VNA (vector network analyzer), it cannot act as a spectrum analyzer except through the FFT which, as is known to all laboratory technicians, poses many problems in interpreting the displayed data, including false harmonics, aliasing and unwanted beats, it's easier to blunder than to know exactly which armines your oscillator or TX is kicking out.
The technically best solution is to invest a few dollars in a decent Spectrum Analyzer (check that it has the possibility of a VCO voltage output to drive the sweep of your generator) and with that, combined with your generator and a simple AD8307 Logaritmic Detector module , you can do all the functions you want of any VNA.
Greetings de
-- IW4AJR Loris
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Re: From where to get the rx/tx control signal to the PA
No Raduino?do uBITX, ¨¦ o pino 5 (ptt).
73's PY2PVB
Rubens Kamimura T¨¦cnico em Eletr?nica e Eletrot¨¦cnica - Aposentado CFT/CRT-SP: 80254934820 Cel. +55 (18) 9-9819-2225 WhatsApp
Em s¨¢b., 9 de jan. de 2021 ¨¤s 17:44, Rafael Diniz < rafael@...> escreveu:
D7 right (TX_RX)? found.
On 1/9/21 4:19 PM, Rafael Diniz wrote:
> Hi all,
>
> In order to do the rx/tx switch in a PA, I need a control signal for it.
> The most obvious is the PTT one, but as I'll be keying the radio over
> CAT, I think it is not a possibility, right?. From where should I get
> the rx/tx control signal?
>
> Best regards,
> Rafael PU2UIT
>
>
>
>
>
>
>
>
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Re: From where to get the rx/tx control signal to the PA
hello Rafael and group, As I said before, I use uBIX v4, and the radio enters RX just by feeding it with + 12Vdc, you can switch to TX: via VOX, CAT, PTT, CW woodpecker (manual) or Iambic?A or B, etc ... Particularly I use the JTDX software in FT8 and do TX manually via the TUNE icon (in JTDX). Any additional information will be QAP / QRV. 73's de Rubens py2pvb Em s¨¢b., 9 de jan. de 2021 ¨¤s 17:44, Rafael Diniz < rafael@...> escreveu:
D7 right (TX_RX)? found.
On 1/9/21 4:19 PM, Rafael Diniz wrote:
> Hi all,
>
> In order to do the rx/tx switch in a PA, I need a control signal for it.
> The most obvious is the PTT one, but as I'll be keying the radio over
> CAT, I think it is not a possibility, right?. From where should I get
> the rx/tx control signal?
>
> Best regards,
> Rafael PU2UIT
>
>
>
>
>
>
>
>
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K2ICC
Gerard
Mick
Loris Bollina