The WEA7681T22G is a mmWave transmitter for FMCW Radar applications covering the 76 GHz to 81 GHz automotive frequency band. The WEA7681T22G consists of three frequency doubler stages and a two stage power amplifier. All the stages are supported by programmable bias current circuitry. It is implemented in 22FDX FD-SOI process. The WEA7681T22G occupies a silicon area of 1550 x 500 um2.
76GHz to 81GHz Single Ended Transmitter
Overview
Key Features
- Output Frequency Range: 76 GHz to 81 GHz
- Input Frequency Range: 19 GHz to 20.25 GHz
- Power Supply Voltages: 1.8 V Analog, 0.8 V
- Logic, 1.25 V to 1.6 V Power Amplifier
- Power at BGA output: 17 dBm (Silicon to
- Package Transition 1.6 dB)
- 2x8 Bit Binary Controlled Cartesian Phase Shifter
- with Range 0 - 360o and 2.8o degrees of accuracy
- Turn ON/OFF time: < 100 ps
- Automotive Grade 1 (-40 oC to 125 oC)
- Power Consumption: 947 mW
- Area:1500 um x 460 um
Technical Specifications
Foundry, Node
GLOBALFOUNDRIES, 22FDX
GLOBALFOUNDRIES
Pre-Silicon:
22nm
FDX