9.125 GHz to 10.375 GHz Fractional–N Synthesizer, FMCW Radar Linear Chirp Generator
Product No:
WEA910S22G
- Applications:Satellite,Radar
- Maturity:silicon proven
- Foundry:GF
- Geometry (nm):22nm
- Process Node:22FDX
The WEA910S22G is a PLL-based high performance frequency synthesizer implemented in 22FDX FD-SOI process with integrated multifunction chirp frequency generator. It generates a 10 GHz fundamental frequency and various frequency ramps with integrated VCO utilizing a 64band autocalibration system. The synthesizer is powered by a 1.5 V and 0.8 V supplies. The WEA910S22G occupies a silicon area of 3150 um x 700 um (2.2 mm2). It exhibits high performance, high integration and flexibility for automotive RADAR applications.
Key Features
- Low phase Noise PLL
- Differential reference input 300MHz – 700MHz
- 0.8 V PLL Supply – 1.5 V VCO Supply
- 24 bits Programmable order MASH (1st /2nd/3rd )
- Banerjee Figure of Merit: -217 dB
- Programmable Active and Passive Loop Filter with high/low loop bandwidth mode
- LC-VCO with 64 bands
- Automatic Band Selection System
- Output Frequency 9.125 GHz – 10.375 GHz
- 125 MHz tuning range per Band,
- Lock time<1 us
- Chirp ramp < 10 us, FM Chirp
- Linearity error < 1%
- Typical In-band noise -100 dBc/Hz
- Area: 3150 um x 700 um (2.2 mm2)
- Consumption: 91 mW
- 22FDXSOI-Option11/19
