期刊
IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS
卷 33, 期 6, 页码 867-870出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWT.2023.3265861
关键词
Frequency conversion; Frequency measurement; Frequency modulation; Transmission line measurements; Current density; Phase noise; Logic gates; Dual-modulus divider; emitter-coupled logic (ECL); frequency divider; mmWave radar; phase-locked loop (PLL); SiGe heterojunction bipolar transistor (HBT)
This paper presents the simulation and measurement results of a 4/5 dual-modulus prescaler with a power consumption of 144 mW, operating from dc to 142 GHz. The prescaler is the core component of a fully programmable dual-modulus frequency divider, which is crucial for modern measurement systems.
In this contribution, the simulation and measurement results of a 4/5 dual-modulus prescaler, operating from dc to 142 GHz with a power consumption of 144 mW, are presented. For a division ratio of 4, the maximum operation frequency of 166 GHz is even higher. The prescaler is the core of a fully programmable dual-modulus frequency divider, which is a crucial component of modern measurement systems. The effect of the physical lengths and the resulting internal delays on the prescaler's performance is analyzed. Furthermore, the voltage level of the fully differential emitter-coupled logic (ECL) is optimized in terms of phase noise and maximum operating frequency. The monolithic microwave integrated circuit (MMIC) is realized in a 130-nm SiGe:C BiCMOS technology with f (T)/f (max) = 470/650 GHz.
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