A SiGe-Based D-Band Vector Modulator for PMCW Radar Applications
2023 Sixth International Workshop on Mobile Terahertz Systems (IWMTS)(2023)
摘要
Nowadays, radar systems are used for an increasing number of civil applications, which leads to a steadily expanding number of radar sensors. This increases the risk of interference and mutual disturbance. Phase-modulated continuous wave techniques (PMCW) can remedy this situation using orthogonal transmit codes. PMCW can be realized with an analog vector modulator (VM) in combination with a DAC. This paper presents a VM that directly uses 1.2 V digital control signals to enable phase shift keying without using a DAC. The VM has a center frequency of 125 GHz and is based on four compactly integrated power amplifiers (PAs).
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关键词
BIIHFC,BiCMOS,BPSK,CDM,code-division,D-band,joint radar-communication,MIMO,multiple-input multiple-output,phase-coded,phase-shifter,phased-array,PMCW,pseudo-noise,PN,radar,RadCom,SiGe,silicon-germanium,TDM,time-division,vector modulator,VM
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