Company Profile
SGR is a national high-tech enterprise and a national “Specialized and Sophisticated” “Little Giant” enterprise specializing in millimeter-wave radar chips and technology development. It has design centers, testing centers, and sales offices in Xiamen, Shanghai, Changzhou, Jiashan, and Shenzhen. The company’s related chips have passed the automotive-grade AEC-Q certification. Its products are widely used in various fields such as automotive, drones, transportation, security, home appliances, and sanitary ware. For more information, please visit www.sgrsemi.com.
Main Business
Millimeter-wave radar chip and technology development.
Main Products
Description：
The SRK1101 is a fully integrated transceiver MMIC based on the state-of-art silicon germanium process. It operates in the 24 GHz ISM band from 24.00 to 24.25 GHz. It has 1 transmitting path that delivers 3dBm to the antenna feed and 1 receiving path that provides a 25dB voltage gain and a 10dB noise figure. A frequency divider is included to generate signals with output frequencies of 1.5 GHz or 3 MHz. On-chip baluns are included to provide single-ended RF interfaces. The package is a compact 16-lead, 2.4mm x 2.4mm QFN.
FEATURES:
- 24 GHz ISM band transceiver MMIC with 1 transmitter and 1 receiver
- RX channel voltage conversion gain: 25 dB
- RX channel noise figure: 10 dB (DSB)
- RX channel input P1dB: -22 dBm
- TX output power: 3 dBm
- VCO phase noise: -96 dBc @ 1 MHz offset
- Two independent tuning inputs to VCO for flexible radar wave generation
- Integrated balun for single-ended RF interfaces
- Prescaler with 1.5 GHz or 3 MHz outputs
- On-chip temperature sensor
- DC power rating: 3.3 V and 58 mA
- 16-lead, 2.4 mm x 2.4 mm QFN package
- Fully ESD protection
Application areas:
Automotive radars /Industrial radars /IoT sensors
Description：
The SRK2401 is a fully integrated FMCW radar transceiver based on the state-of-art silicon germanium process. It operates in the 24 GHz ISM band from 24.00 to 24.25 GHz. It consists of a fractional-N frequency synthesizer offering FMCW ramp generation, two transmit chains featuring a 9 dBm output power, and four receive chains with a 29 dB conversion gain, a 9 dB noise figure and a high input compression point up to -8 dBm. A single signal with frequency of about 23 kHz generated from integrated frequency prescaler is also available. On-chip baluns are included to provide single-ended RF interfaces. The device is controlled via SPI interface. The radar transceiver is package in a compact 56-lead, 7 mm x 7 mm QFN package.
FEATURES:
- 24 GHz ISM band fully integrated FMCW radar transceiver
- Integrated with 2 transmitters, 4 receivers and a fractional-N frequency synthesizer
- FMCW ramp generation
- 26-bit fixed modulus allows sub hertz frequency resolution
- Programmable charge pump currents
- RX channel voltage conversion gain: 29 dB
- RX channel noise figure: 9 dB
- RX channel input P1dB: -8 dBm
- TX output power: 9 dBm
- VCO phase noise: -103 dBc @ 1 MHz offset
- Integrated balun for single-ended RF interfaces
- Prescaler with about 23 kHz output
- On-chip power and temperature sensors
- DC power rating: 3.3 V and 435 mA
- 56-lead, 7 mm x 7 mm QFN package
- Fully ESD protection
Application areas:
Industrial radars/ IoT sensors