Shanghai Sijie Microelectronics Co., Ltd. (hereinafter referred to as Sijie Microelectronics) is a company specialising in millimetre-wave radar chip products, headquartered in Jiading, Shanghai—China’s ‘Automotive City’. Since its establishment in 2016, the company has independently developed and successfully mass-produced several 24GHz millimetre-wave radar SoC chips, all of which boast internationally leading performance metrics. Upon their launch, these chip products have received unanimous recognition and acclaim from industry clients.

Recently, Sijie Microelectronics officially launched another new product—the 24GHz millimetre-wave radar transceiver SoC—the SRK2401. This chip is the world’s first 24GHz radar SoC to integrate a fractional-frequency divider phase-locked loop (PLL) with modulation capabilities, alongside two transmit channels and four receive channels. The SRK2401 supports multiple modulation modes, including FSK, FMCW and LMFSK, and its outstanding RF performance is at the forefront of the global industry. In future, based on the SRK2401 and its application solutions, industry clients will be able to develop radar products with more powerful functionality, superior performance and greater market competitiveness at a faster pace, thereby meeting the demands of more complex and demanding application scenarios.

As a millimetre-wave chip design company with independent intellectual property rights, Sijie Microelectronics will, as always, continue to develop high-quality, high-performance chip products to support the development and prosperity of China’s millimetre-wave radar market. Building China’s smart chips – we are on the journey!



Key Specifications:

◇ 24–24.25 GHz ISM band, providing two transmit channels and four receive channels

◇ 26-bit fractional frequency division, with adjustable PLL charge pump current

◇ Phase noise of -100 dBc/Hz at 1 MHz

◇ Supports multiple waveform modulation modes

◇ RX channel voltage conversion gain: 29 dB

◇ RX channel figure of noise: 9 dB

◇ IQ mismatch: 5 degrees/1 dB

◇ RX channel input P1dB: -8 dBm

◇ TX output power: 9 dBm

◇ Transmit/receive isolation: >40 dB

◇ Receive channel isolation: >35 dB

◇ On-chip balun for single-ended RF interface

◇ On-chip power and temperature sensors

◇ Operating voltage: 3.3 V

◇ 56-pin 7 mm × 7 mm QFN package


For further information on the SRK2401, visit 请咨询我们的代理商或邮件info@zspmicro.cn.

About Shanghai Sijie Microelectronics Co., Ltd.: Sijie Microelectronics is a company specialising in millimetre-wave radar chip products. It is headquartered in Jiading, Shanghai, known as China’s ‘Automotive City’. Sijie Microelectronics boasts a highly skilled design, development and mass production team, with solid design expertise and extensive product experience, and is committed to contributing to the development of next-generation sensor and internet technologies. For further information, please visit: www.sgrsemi.com