Re: [Flexradio] Flex-1500: USB isolation required?

2012-08-21 Thread Ken Alexander
Thanks Tim, You saved me 75 bucks! 73, Ken Alexander VE3HLS On 20/08/2012 10:09 PM, Tim Ellison, W4TME wrote: Ken, The FLEX-1500 was specifically engineered to mitigate RF and noise on the USB connection; the RF and USB are physically separated as much as possible, we use common mode

Re: [Flexradio] Flex-1500: USB isolation required?

2012-08-20 Thread Tim Ellison, W4TME
Ken, The FLEX-1500 was specifically engineered to mitigate RF and noise on the USB connection; the RF and USB are physically separated as much as possible, we use common mode ferrite chokes on the USB interface to remove any RF signals riding in on the USB cable and the USB cable supplied

[Flexradio] Flex-1500: USB isolation required?

2012-08-19 Thread Ken Alexander
I see that Heros Technology sells a USB Galvanic Digital Isolator for SDR radios. It provides isolation in the USB connection between the computer and the transceiver and prevents computer noise from entering the 1500. So, a few questions: 1. Do we know if the Flex-1500 already has this