LLRF4 Specifications

Parameter Description
IF channels
Center frequency1) (MHz) 50
Bandwidth2) (MHz) 9
Full-scale sensitivity3) (dBm) 11
ADCs
Channels 4
Resolution 14
Speed (MSPS) 125
DACs
Channels 2
Resolution 14
Update rate (MSPS) 260
Clocks
Clock management Using AD9512
Maximum external clock (GHz) 1.6
Clock dividers independent for ADC and DAC
Divide ratios 1–32
Phase adjustment DAC clock
General
FPGA XC3S1000-4FT256
Host interface High-speed USB 2.0
Expansion connector 8 LVDS differential pairs
Analog monitoring FPGA core supply current, LO rms,
+5V, 2 analog output loopbacks
Low-speed DAC
Channels 12
Resolution 12
Maximum update rate (kSPS) 520
Low-speed ADC
Channels 2
Resolution 12
Maximum sampling rate (kSPS) 50
1) IF filter center frequency can be customized, if needed
2) IF filter bandwidth can be customized, if needed,
3) Full-scale sensitivity depends on IF filter parameters - center frequency and bandwidth.