Asynchronous pulse transmitter for power reduction in inductive-coupling link

Mitsuko Saito, Noriyuki Miura, Tadahiro Kuroda

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

An asynchronous pulse transmitter is proposed to achieve low power in inductive-coupling link. The conventional asynchronous transmitter, H-bridge inductive-coupling transmitter, consumes large static (DC) current consumption. Therefore the transmit power dissipation is dominant in the total inductive-coupling power dissipation. The proposed pulse inductive-coupling transmitter eliminates the static (DC) current consumption. It provides linear power scalability which significantly reduces the power consumption especially at low data rate operation for low-power mobile applications. To verify the proposed technique, we designed and fabricated test chips in TSMC 0.18 μm complementary metal oxide semiconductor (CMOS) technology. Both proposed pulsed transmitter and conventional H-bridge transmitter is implemented in the test chip for comparison. Power reduction to 1/4 at 1.5 Gbps and 1/60 at 100 Mbps is achieved compared to the conventional transmitter. Also a crosstalk immune inductive-coupling receiver is presented for low-power relayed transmission using the proposed pulse transmitter. Crosstalk guard circuit is implemented in the receiver to ignore crosstalk. Data is successfully transferred using relayed transmission with proposed transceiver at up to 400 Mbps.

Original languageEnglish
Article number02BE06
JournalJapanese Journal of Applied Physics
Volume51
Issue number2 PART 2
DOIs
Publication statusPublished - 2012 Feb

Fingerprint

transmitters
Telecommunication links
Transmitters
pulses
Crosstalk
crosstalk
Energy dissipation
dissipation
receivers
direct current
chips
power transmission
transmitter receivers
Power transmission
Transceivers
Scalability
CMOS
Electric power utilization
Networks (circuits)
Metals

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Asynchronous pulse transmitter for power reduction in inductive-coupling link. / Saito, Mitsuko; Miura, Noriyuki; Kuroda, Tadahiro.

In: Japanese Journal of Applied Physics, Vol. 51, No. 2 PART 2, 02BE06, 02.2012.

Research output: Contribution to journalArticle

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