This photo shows the programable synthesizer SI570 (square 2) connected to the USB chip (square 1).
|The unfinished RX board (Lima SDR).|
The concept is shown below. A test application on the PC controls SI570 via an USB interface.
|SI570 controlled by a test application via USB.|
- Install the certificate (it is on the CD-ROM: AmateurRadioRootCertificate.crt)
- Download and run PE0FKO-USB-Driver-Installer
|Installation of driver is complete.|
The installed driver is from 11/10/2012 and the version is 220.127.116.11. Now the USB connection works, and the SI570 output frequency can be set. Hooray!
|USB_Synth.exe controls the output frequency of SI570.|