Do you have a sure fire way to detect the counterfeit ships before buying, including buying brand name at additional cost. What brand or supplier is safe? Willis 'Cookie' Cooke, TDXS DX Chairman K5EWJ & Trustee N5BPS, USS Cavalla, USS Stewart
________________________________ From: Doug Person <k0...@aol.com> To: elecraft@mailman.qth.net Sent: Friday, March 28, 2014 12:38 PM Subject: Re: [Elecraft] USB to Serial Ports adapter: a product test I did the exact same thing for Baofeng radios. I just converted the programming cable to a serial cable. The counterfeit chips are a /serious/ problem. You will be hard-pressed to find a new computer with "real" serial ports in them. So, Serial to USB conversion is an ongoing necessity. Doug -- K0DXV On 3/28/2014 12:56 AM, Don Wilhelm wrote: > That "explanation" dances all around the real world situation. The > Chinese have been making cheap counterfeit Prolific and FTDI chips. > Both Prolific and FTDI have produced drivers which detect those > counterfeit chips to protect their intellectual property. > While the counterfeit chips may work fine when used under Windows XP, > they will not work with the newer Windows 7 or 8 drivers. > > Yes, there are "workarounds" - turn off Windows updates and load the > older drivers which do not have the detection algorithms. I would > prefer not to do that, and I have been burned several times with the > Chinese counterfeit transistors and ICs. I ordered what was supposed > to be 2N5739 transistors which are no longer available from reliable > manufacturers. I had to throw all 10 of them into the trash because > they did not work above the audio range. The SSM2165 used on the K2 > KSB2 board is an obsolete part, but is advertized from Chinese vendors > - unfortunately, that chip does not work, so it is "buyer beware". If > you buy counterfeit goods, it is just like getting a counterfeit $100 > bill, it is worthless. Unfortunately, there are vendors who are > listing 'workarounds' in order to sell their counterfeit products > rather than 'raising hell' to stop this proliferation of counterfeit > devices. > > I cut the USB end off the USB to Wouxun adapter that had the > counterfeit chip in it and will be connecting it to a DB9 connector. > I can then connect it to either a real serial port or to a good USB to > serial adapter. > > 73, > Don W3FPR > > On 3/28/2014 1:11 AM, WA7SPY wrote: >> Here is a very good explanation about USB to serial port converters. >> ( see below) You pay a higher price but the recommended one works >> with my Windows 7 PC. I have had no problems connecting older RS232 >> equipment to my Windows 7 PC. It works like a champ. >> I have no interest in the US Converters but there products work well! >> http://www.usconverters.com/index.php?main_page=page&id=62 >> >> >> >>> On Mar 27, 2014, at 8:57 PM, Don Wilhelm <w3...@embarqmail.com> wrote: >>> >>> Hi all, >>> >>> I have had an experience with the Chinese "fake" Prolific USB to >>> serial chips. A Wouxun VHF/UHF handeld would not work with my Win7 >>> computer because the Prolific drivers identified the chip as a fake >>> Chinese knockoff. I tried the solutions in the web as well as the >>> older Prolific drivers with no great success. I even tried the >>> Linux solutions and was not able to program the handheld (I am not a >>> Linux guru, but I followed the instructions). Simply, it did not >>> work, and I am not willing to keep a Windows XP computer going just >>> for these Chinese fake chips. I bought the programming cable in >>> good faith, but that faith has been destroyed by the Chinese fake >>> chips. >>> >>> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to k0...@aol.com > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to wrco...@yahoo.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
