Digitizer Parameter Comparison
System 1 System 2
Number of RF Channels: (signal sources being sampled)
Sample Type: 1 = Real, 2 = Complex
Sample Rate: Msamp/sec
Sample Resolution: bits
FFT Block: samples
FFT Time Averaging: samples
Observation Length: hours (e.g., transit ± 3 hrs)
Useful BW = MHz (80% of theoretical)
FFT RBW = kHz (sample rate / block length)
FFT Time Resolution = μsec (averages * block length / rate)
Max Dynamic Range = dB (10log[2^bits] )
Data Rate = MB/sec (all channels together)
Data Rate = GB/hour (all channels together)
Data Rate = TB/observation (all channels together)