Table 1.

Parameter of the digital fixed-point simulation system.

Parameter	Value
Sampling Rate	125 MSPS
Bit Width of ADC	16 bits
Bit Width of Sin/Cos LUT	12 bits
Heterodyne Frequency	10 MHz
Amplitude of Signal	0.5 V
Input Range of ADC	2 Vpp
Fraction Width of Tangent Operation	24 bits
Integer Width of Tangent Operation	24 bits
Fraction Width of Sinusoid Operation	24 bits
Integer Width of Sinusoid Operation	4 bits
Additive Gaussian White Noise (Equivalent Phase Noise)	1 μrad/Hz1/2