7.8 GHz to 9.1 GHz Microwave Fractional – N Synthesizer
Overview
The WEA89S22G is a complete 24 bits Fractional-N microwave synthesizer able to synthesize frequencies from 7 GHz to 9 GHz with the integrated VCO. It consists of a low noise phase detector with lock detect indication, a programmable charge pump, a programmable loop filter, a multi modulus Prescaler, and a 64 band VCO with auto-calibration circuitry. Implemented in a 22nm CMOS SOI GlobalFoundries process, the WEA89S22G occupies a silicon area of 1.9 mm2.It exhibits high performance, high integration and flexibility for RADAR applications.
Key Features
- Low Power PLL
- Crystal Oscillator input 50 MHz
- Reference 50 MHz to 250 MHz
- 20mA @ 0.8 V PLL Supply – 40mA @1.5 V VCO Supply
- 24 bits Programmable order MASH (1st /2nd/3rd )
- Banerjee Figure of Merit: – 210 dB
- Programmable Charge Pump
- Programmable Active and Passive Loop Filter with high/low loop bandwidth mode
- Multi-modulus Prescaler (32-639)
- LC VCO with 64 bands
- Automatic Band Selection System
- Output Frequency 7.8 GHz – 9.1 GHz
- Output Clock Generator High Frequency 257 MHz- 575 MHz
- Output Clock Generator Low Frequency 26 MHz- 143.75 MHz
- Area: 1330 um x 1440 um (1.9 mm2)
Block Diagram
Applications
- Satellite
- Radar
Technical Specifications
Foundry, Node
GLOBALFOUNDRIES 22nm 22FDX
Maturity
silicon proven
GLOBALFOUNDRIES
Silicon Proven:
22nm
FDX
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