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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[RFI\]\s+RFI\-free\s+Vehicle\s+5v\s+USB\s+Adapter\?\s*$/: 10 ]

Total 10 documents matching your query.

1. [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Sat, 14 Mar 2020 19:08:06 -0400; I just discovered that the 5v USB adapter I installed in my '86 Suburban is a RFI-monster. If the USB cable is anywhere near a radio it wipes-out SW. Has anyone found brands or specific models that b; /archives//html/RFI/2020-03/msg00031.html (6,627 bytes)
2. Re: [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: Sean Waite <waisean@gmail.com>; Date: Sat, 14 Mar 2020 20:34:28 -0400; I haven't tried it, but KA7OEI has a page about suppressing RFI in these http://ka7oei.blogspot.com/2015/02/a-quiet-5-volt-usb-car-power-supply.html?m=1 73, Sean WA1TE _______________________________; /archives//html/RFI/2020-03/msg00032.html (7,404 bytes)
3. Re: [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Sat, 14 Mar 2020 21:09:14 -0400; Thanks! The principles there are good but his links to recommended products are now 5 years old. Manufacturing standards change real fast. I'm hoping for a product someone has purchased and tested re; /archives//html/RFI/2020-03/msg00033.html (8,378 bytes)
4. Re: [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 14 Mar 2020 19:05:51 -0700; Has anyone found brands or specific models that behave? What connector type do you need? What function? Charging a phone? I have a Motorola charger to a micro USB that I can check for noise. 73, Jim; /archives//html/RFI/2020-03/msg00034.html (7,575 bytes)
5. Re: [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Sat, 14 Mar 2020 23:51:09 -0400; The current noisy adapter provides a 5v 2.1a USB port for cellphone, and other device, charging plus a digital battery voltage display. It's also connected to a standard vehicle cigar/accessory plug.; /archives//html/RFI/2020-03/msg00035.html (8,796 bytes)
6. Re: [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: Gary Johnson <gwj@wb9jps.com>; Date: Sun, 15 Mar 2020 10:39:32 -0700; Actually, KA7OEI is on the right track. Be prepared to be disappointed with regards to RFI from Chinese dc-dc converter modules. Extensive input and output filtering MUST be added if you want to elim; /archives//html/RFI/2020-03/msg00036.html (8,245 bytes)
7. Re: [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: "qrv@kd4e.com" <qrv@kd4e.com>; Date: Sun, 15 Mar 2020 17:46:53 -0400; I'm going to try this, in a metal case, with twisted wire and toroids on the input and output ... https://www.amazon.com/Converter-DROK-Regulator-Inverter-Transformer/dp/B01NALDSJ0/ref=sr_1_3 Actuall; /archives//html/RFI/2020-03/msg00037.html (9,137 bytes)
8. Re: [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: Greg Troxel <gdt@lexort.com>; Date: Sun, 15 Mar 2020 20:41:54 -0400; A few datapoints: I have a few Anker dual-port lighter/USB devices. WIth them in the shack, charging phones, and running an esp8266, I don't hear them. That of course doesn't prove totally quiet; it; /archives//html/RFI/2020-03/msg00038.html (8,528 bytes)
9. Re: [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sun, 15 Mar 2020 19:02:50 -0700; On 3/15/2020 5:41 PM, Greg Troxel wrote: I have a few Anker dual-port lighter/USB devices. WIth them in the shack, charging phones, and running an esp8266, I don't hear them. That of course doesn't p; /archives//html/RFI/2020-03/msg00039.html (9,640 bytes)
10. Re: [RFI] RFI-free Vehicle 5v USB Adapter? (score: 1): Author: KD7JYK DM09 <kd7jyk@earthlink.net>; Date: Sun, 15 Mar 2020 20:52:21 -0700; "And no, there is no progress in the world of these modules." There is, but not in the direction you hoped. Lower part count, higher profit margin, RFI be damned... I often use older, more obscure el; /archives//html/RFI/2020-03/msg00040.html (8,492 bytes)

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