A front-end receiver with a dual cross-coupling technique for MICS applications

Cihun Siyong Alex Gong, Chia Hung Chang, Feng Lin Shiu, Hwann Kaeo Chiou, Yih Shiou Hwang

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents a front-end receiver with a dual cross-couple technique for Medical Implant Communication ServicesM applications, using a standard complementary metal-oxide semiconductor process. A lower-power design is achieved using a resistive feedback, gm-boosting technique along with a current reuse topology in the receiver's transconductance stage. In addition, a dual cross-coupling configuration applied at the input stage increases overall gain performance and reduces power consumption. The measured power dissipation of the low-noise amplifier is only 0.51 mW. The conversion gain of the receiver is 19.74 dB, while the radio frequency and local oscillator frequencies are respectively 403.5 and 393.5 MHz, and the LO power is 0 dBm. The chip exhibits excellent isolation below −70 dB from LO to intermediate frequency and LO to radio frequency.

Original languageEnglish
Pages (from-to)502-514
Number of pages13
JournalInternational Journal of Circuit Theory and Applications
Volume45
Issue number4
DOIs
StatePublished - 1 Apr 2017

Keywords

  • cross-coupling
  • current reuse
  • LNA
  • low power
  • MICS
  • mixer

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