[Skimmertalk] QS1R rescue - almost there... But not quite

[Charlie Ocker]

On 2/18/2025 1:06 PM, Jeff Blaine wrote:

> Running Skim Server, the USB device shows up in device manager. The FPGA 
> loading window comes up and completes, and skimmer opens.  Then skimmer 
> toggles between "SDR RECEIVER OK" and "SDR_FAILURE: USB_BULK_READ 
> FAILED" on a several second basis. From a prior post, there was a 
> comment about the voltage regulators cutting out and causing this effect 
> but monitoring the regulators at the time this is occurring shows stable 
> power on all regulator outputs.

Hi Jeff,

I recall seeing this when I was getting my used QS1R up and running a 
couple of years ago.  I believe it went away once I applied 6vdc to it. 
Before, I was trying to use 5vdc.  I've heard from others that a sure 
way to fry a QS1R is to apply 12vdc to it.

73,
Charlie  N9CO