A5009324140- Radio Frequency Integrated Circuit Design
- Microwave Engineering and Waveguides
- Advancements in PLL and VCO Technologies
- Robot Manipulation and Learning
- Manufacturing Process and Optimization
- Bluetooth and Wireless Communication Technologies
- Robotic Mechanisms and Dynamics
- Power Line Communications and Noise
- PAPR reduction in OFDM
- Advanced Wireless Communication Techniques
- Acoustic Wave Resonator Technologies
- Wireless Body Area Networks
- Industrial Vision Systems and Defect Detection
- Advanced Surface Polishing Techniques
Ji Hua Laboratory
2023
Broadcom (Israel)
2002-2008
Broadcom (United States)
2002-2007
A low-power 802.11abg SoC which achieves the best reported sensitivity as well lowest power consumption and utilizes an extensive array of auto calibrations is reported. This a two-antenna receiver to build single weight combiner (SWC) system. new signal-path Cartesian phase generation combination technique proposed that shifts RF signal in 22.5deg steps. 3 dB improvement received SNR achieved comparison path receiver. The radio AFE occupy 10 mm <sup...
A fully-integrated CMOS transceiver tuned to 2.4 GHz consumes 46 mA in receive mode and 47 transmit from a 2.7 V supply. The receiver has -80 dBm sensitivity at 0.1% BER, -7 IIP3. transmitter delivers GFSK modulated spectrum 5 output power.
A low-power single-chip Bluetooth EDR device is realized using a configurable transformer-based RF front-end, low-IF receiver and direct-conversion transmitter architecture. It implemented in 0.13mum CMOS process occupies 11.8mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> . Sensitivity for 1, 2 3Mb/s rates -88, -90, -84dBm differential EVM 5.5% rms.
A single-chip multi-band direct-conversion CMOS MIMO transceiver (2 times 2) targeted for WLAN applications is presented. This capable of satisfying the requirements Enhanced Wireless Consortium and achieves PHY rates >270Mb/s. The receivers transmitters achieve an EVM better than -41 dB (0.9%) -40dB (1.0%) operating in legacy g a modes, respectively. From 1.8V supply with both cores operating, chip draws 275mA RX mode 280mA TX mode.
A fully integrated CMOS transceiver tuned to 2.1 GHz consumes 46 mA in receive-mode and 47 transmit-mode from a 2.7 V supply. The receiver achieves sensitivity of -80 dBm at 0.1% BER, an IIP3 -7 dBm. transmitter delivers GFSK modulated spectrum output power 5
Connectors with latches, such as LC fiber connectors, RJ45 network cable and certain electronic have significant automation requirements for connection disconnection. To accomplish not only the peg-in-hole but also peg-out-hole tasks, careful consideration must be given to both safety of connectors coordination between assembly strategies latch actions. Therefore, achieving safe reliable in scenarios is challenging. This letter presents a comprehensive robotic solution peg-in/out-hole tasks...
A 0.18 /spl mu/m CMOS IEEE 802.11b SoC integrated all the radio building blocks including PA, PLL loop filter, and antenna switch, as well complete physical layer MAC sections. At 2.4 GHz, it dissipates 165 mW in receive-mode 360 transmit-mode from a 1.8 V supply. The receiver achieves typical NF of 6 dB, -88 dBm sensitivity at 11 Mbit/s rate. transmitter delivers nominal output power 13 dBm.
Bluetooth is a communication protocol enabling low-cost, short-range radio links between mobile phones, PCs, and other portable devices. The standard specifies 2.4 GHz; frequency-hopped, spread-spectrum system that supports data rate of 1 Mb/s. This paper describes low-power, highly integrated solution for GHz applications, such as Bluetooth.
A fully integrated system-on-a-chip intended for use in IEEE 802.11b applications is built 0.18 /spl mu/m CMOS. All the radio building blocks, including PA, PLL loop filter, and T/R switch, as well complete physical layer MAC sections, have been into a single chip. The tuned to 2.4 GHz dissipates 165 mW receive-mode 360 transmit-mode. receiver achieves sensitivity of -88 dBm at 11 Mbps rate, transmitter delivers nominal output power 13 dBm.