COMMUNICATIONS
- Daytime Paper Sessions
- Evening Panel Discussion
- Tutorial
1998 ISSCC - COMMUNICATIONS
Subcommittee Chair: Enjeti Murthi, Philips Semiconductor, Sunnyvale, CA.
HIGHLIGHTS
- Portable RF data systems[TP3]
- Single-chip transceiver[3.3]
- High-efficiency linearizing RF power amplifier[3.6]
- Circuit techniques for higher-level integration[SP23]
- Improved mixer for direct-conversion radio receivers[23.3]
- Backbone links move to multi-gigabit speeds[SA19]
- Si-Bipolar TX/RX chipset achieves 10Gb/s[19.1]
- CMOS moves to 4.25Gb/s[19.3]
- Si-Ge HBT building blocks for 40Gb/s links[19.7]
- Local-Area Networks and Routers become faster and more efficient[FP13]
- 10Gb/s SONET framer circuit[13.2]
- 20-channel, 500Mb/s chip allows 10Gb/s data transmission[13.4]
- Ethernet moves to 1Gb/s[13.5, 13.6]
- Data appliances allow better use of global information resources[FA8]
- 115mW Global-Positioning-System (GPS) chip [8.1]
- IC supports Direct-Broadcast Satellite System[8.3]
- Novel super-regenerative receiver for ultra-low-cost data applications 1GHz[8.4]
- Car-Radio chip with global data-service access[8.5]
ECONOMIC AND SOCIAL IMPACT
- These issues are covered in detail in our panel discussion
PANEL
- Global communications: the good, the bad, and the ugly[FE8]
- A discussion of the global implications of technological change
TUTORIAL
- How a Spread-Spectrum Radio Works[T2]
Session:
TP3 Subcommittee: Communications
Transceivers and Power Amplifiers
Chair:
William J. Ooms, Motorola, Inc., Tempe, AZ.
Associate Chair:
Thomas H. Lee, Stanford University, Stanford, CA.
DRIVERS
- Increased level of integration of transmitter and receiver circuitry for portable communications
- Lower operating voltage
- Higher efficiency for RF power amplifiers
- Longer battery life for longer talk time
HIGHLIGHTS
- Transceiver chipset for 900MHz paging includes integrated channel-selection filters[3.1]
- CMOS IF transceiver for narrowband PCS includes signal processing [3.2]
- DCS-1800 transceiver in 0.25um CMOS operates at 2.5V [3.3]
- A GSM MOS power-amplifier module achieves 47% efficiency at 3.6V [3.4]
- BiCMOS RF driver amplifier with closed-loop power control enables power amplifiers with over 50% efficiency [3.5]
- CMOS envelope-elimination-and-restoration circuit for linear power amplifiers boosts efficiency from 36% to 50% [3.6]
Session:
FA8 Subcommittee: COMMUNICATIONS
WIRELESS RECEIVERS
Chair:
Mehmet Soyuer, IBM T.J. Watson Research Ctr., Yorktown Heights, NY
Associate Chair:
Rudy van de Plassche, Philips Research Labs, Eindhoven, The Netherlands
DRIVERS
- Low power
- Portability
- High Levels of Integration
- Satellite Communication
- Global Applications
- Current Reuse
- RF Circuits in SOI and SOS
HIGHLIGHTS
- High levels of integration in a CMOS receiver [8.1]
- Dual-band receiver in CMOS [8.2]
- Direct-conversion satellite tuner [8.3]
- Low-power (1.2mW) 1-GHz receiver [8.4]
- Programmable global car radio [8.5]
- CMOS LNA with current reuse and on-chip matching transformers [8.6]
- 4-GHz and 13-GHz CMOS tuned amplifiers on SOI and SOS substrates[8.7]
Session:
FP13 Subcommittee:
COMMUNICATIONS
DATACOM/TELECOM
Chair:
Akira Kanuma, Toshiba Corp., Kanagawa, Japan
Associate Chair:
Enjeti Murthi, Philips Semiconductor, Sunnyvale,CA.
DRIVERS
- Higher integration with more channels and standards per chip
- Higher bit rates for low-cost wiring
- Lower-cost technology for high-speed networks
- Lower power for high-speed switching
HIGHLIGHTS
- 70Mb/s cable-modem CMOS receiver [13.1]
- 10Gb/s SiGe Bipolar SDH framer [13.2]
- 2V, 120mA, 25Gb/s 2x2 crosspoint switch in InP-HBT [13.3]
- 20-channel 500Mb/s/ch GaAs Optical receiver [13.4]
- 100Mb/s Ethernet CMOS transceiver for twisted pair [13.5,13.6]
Session:
SA19 Subcommittee: Communications
Multi-Gigahertz Serial Data
Chair: MaryJo Nettles, AMCC, San Diego, CA.
Associate Chair: T. Baba, Matsushita Semiconductor of America, Palo Alto, CA.
DRIVERS
- Higher speed for increased network bandwidth
- Lower power
- Improved integration
- Error-free performance with low jitter generation
HIGHLIGHTS
- Error-free performance with a fully-integrated 10Gb/s transceiver [19.1]
- CMOS integration of multi-gigabit fiber-optic systems [19.2, 19.3 ]
- Integration of a transimpedance amplifier onto a CDR/DEMUX at 3.5Gb/s [19.4]
- Detailed analysis of jitter management in a 4.5Gb/s digital display [19.5]
- 95GHz fT SiGe process and circuits demonstrating 40Gb/s to 50Gb/s performance [19.6, 19.7]
Session:
SP23 Subcommittee: Communications
Wireless Building Blocks
Chair:
Paul Davis, Lucent Technologies, Reading, PA.
Associate Chair:
Bob Bayruns, Anadigics, Warren, NJ.
DRIVERS
- Low Power
- Portability
- Higher Levels of Integration
- RF circuits in low-cost technologies
- Low-voltage supplies to reduce number of batteries
HIGHLIGHTS
- Highly-integrated Modulators/Demodulators [23.1, 23.2]
- Silicon-based applications at 2GHz to 10GHz [23.3, 23.4, 23.5, 23.6]
- New mixer topology for multi-GHz operation in 0.5 micron CMOS [23.4]
- 5GHz BiCMOS Up/Down Converter for GMSK wireless systems [23.6]
Panel Session:
FE8 Subcommittee: Communications
Global Communications: the good, the bad, and the ugly
OBJECTIVE
- To explore the impact of rapid technological growth on society.
CHALLENGES
- What are the global implications of new technology?
- How can negative effects be mitigated?
- How can positive effects be enhanced?
CONTROVERSIES
- Should market forces, governments, engineers, or managers be responsible for the impact of new technology?
Tutorial:
T2 Subcommittee: Communications
How a Spread-Spectrum Radio Works
Charles Chien
OVERVIEW
- Basic Systems Concepts: Radio Channel, Spread-Spectrum Communications, Radio Architecture
- Applications: Digital Cellular, Personal Communications, Wireless Local Loops, Wireless Local-Area Networks
- Building Blocks: LNA, Mixer, Synthesizer, Power Amplifier, Rake Receiver, Matched filter
- Practical Issues: Multipath Mitigation, Synchronization, Implementation Loss
TUTORIAL SPEAKER BIOGRAPHY
Charles Chien received the BSEE from UC Berkeley in 1989, and MSEE and PhD from UCLA in 1991 and 1995. Since 1995 he has been with the UCLA EE Dept., where he is co-principal investigator on hand-held untethered nodes for high-performance wireless multimedia networked systems. In 1997, he joined Rockwell Science Center as Principal Scientist and Acting Manager of the Communication Systems Group. Dr. Chien has experience in digital communications, digital signal processing, high-speed CMOS circuits, and VLSI circuit implementations of communication systems.
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