Devices with FL2000 chip

fl2k_devices.jpg

Transmitting signals with VGA

VGA Synchronization

vga_frame.png

USB VGA adapters

FL2000 Hardware

fl2k_pcb_top.jpg

Reverse Engineering

Reverse Engineering cont.

lostsamples.png

Goal: Continuous stream of samples

libosmo-fl2k

Applications

VGA SDR transmitter

Example: GSM transmission

Example: GSM transmission

vga_gsm.jpg

Further ideas

Quality differences

fl2k_dacref_ldo.png

Quality differences

fl2k_dacref_smps.png

Output spectrum

spectrum.png

EOF

rds.jpg