A 2.4-GHz ZigBee Receiver Exploiting an RF-to-BB-Current-Reuse Blixer + Hybrid Filter Topology in 65-nm CMOS

Lin, Zhicheng; Mak, Pui-In; Martins, Rui P.

doi:10.1007/978-3-319-21524-2_3

Cited by 5 publications

(6 citation statements)

References 21 publications

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“…If we reduce both and to reduce the driving loss, the mixer resistance becomes large given by (2) In (2), is the gate length of the mixer. Since the large resistance causes significant degradation in noise figure [4], the mixer is determined by required noise figure of an application system.…”

Section: A Loss Minimized Passive Mixer Front-endmentioning

confidence: 99%

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A Sub-mW Fully Integrated Wide-Band Receiver for Wireless Sensor Network

Lee¹,

Choi²,

Kim³

et al. 2015

IEEE Microw. Wireless Compon. Lett.

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This letter presents low power implementation of a fully integrated wide band receiver for wireless sensor network. The receiver targets extremely low power operation with wide band coverage. Fabricated in 28 nm CMOS process, the receiver employs a passive mixer-first RF front-end with zero-IF architecture which is driven by non-overlapping four-phase local oscillator (LO). To minimize power consumption in LO driving stage which consumes the largest portion of power in this structure, supply voltage and device size optimization techniques are introduced. Enhanced non-overlapping LO circuit is proposed to prevent degradation of the noise figure. The receiver also includes a low power base band amplifier and in-band noise reduced biquad filter. The total receiver chain achieves conversion gain of 55 dB, noise figure of 13.6 dB and IIP3 of 7.5 dBm (@10 MHz spacing) with power consumption under 1 mW at the frequency band of 0.85 2.55 GHz.Index Terms-Low-power receiver, passive mixer-first, wide-band receiver, wireless sensor network (WSN) receiver, zero-if.

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Section: A Loss Minimized Passive Mixer Front-endmentioning

confidence: 99%

“…Many applications of WSN such as personal health care and Internet of Things (IoT) demand ultra-low power (ULP) and small size RF transceivers. Many reported ULP receivers target for ISM band standards such as Zigbee and BLE [1], [2]. Therefore, the frequency targets of those receivers are narrow band.…”

Section: Introductionmentioning

confidence: 99%

A Sub-mW Fully Integrated Wide-Band Receiver for Wireless Sensor Network

Lee¹,

Choi²,

Kim³

et al. 2015

IEEE Microw. Wireless Compon. Lett.

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“…(1) (2) Where µ n and µ p are the mobilities of NMOS and PMOS transistors respectively. W n and L n are the width and length of the NMOS transistors, while W p and L p are the width and length of the PMOS transistors.…”

Section: Proposed Self-differential Mixer Designmentioning

confidence: 99%

“…By the development of wireless short-range technologies [1,2], such as Internet of Things (IoT) [3], including wireless body area networks (WBANs) and Wireless sensor networks (WSNs), low-cost, low-power wireless transceivers have attacked considerable research. The focus of this paper is on the design of a down-conversion mixer applied in an IoT receiver.…”

Section: Introductionmentioning

confidence: 99%

Design of Self-Differential Down-Conversion I/Q Mixer for 2.4 GHz IoT Application

Zhou¹,

Xu²,

An³

et al. 2018

dtetr

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Abstract. A 2.4 GHz self-differential down-conversion Gilbert cell mixer with current-reuse topology is presented in this paper. This design is targeted for low-power IoT applications. Here, by using a novel self-differential RF input stage with current-reuse topology, the single-ended RF signal can be transferred into differential signals without using a balun. With an applied local oscillator (LO) power of 10 dBm and RF signal of -30 dBm, this mixer demonstrates 9.886 dB of conversion gain, 10.4 dB of noise figure at 5 MHz and an IIP3 of 1.1767dBm in both I/Q branch. The design consumes 1.57 mA from a 1.8 V voltage supply.

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“…The RX is only used to receive control commands sent by the external data logger, and 64 kbps OOK modulation is employed for the RX. Again, the current reusing techniques is used to stack the low noise amplifier (LNA) and the mixer to share the DC biasing current [9]. The RX IF circuits mainly consists of a 3rd order band pass filter and a 3-bit flash ADC as shown in Fig.…”

Section: Wireless Transceivermentioning

confidence: 99%

A Fully Integrated SoC for Smart Capsule Providing In-Body Continuous pH and Temperature Monitoring

Liu¹,

Jiang²,

Xia³

et al. 2016

JSTS:Journal of Semiconductor Technology and Science

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Abstract-This paper presents a SoC (System-on-aChip) dedicated for a single-chip smart capsule which can be used to continuously monitor human alimentary canal pH and temperature values. The SoC is composed of the pH and temperature sensor interface circuit, a wireless transceiver, the power management circuit and the flow control logic. Fabricated in 0.18 μm standard CMOS technology, the SoC occupies a die area of ~9 mm 2 . The SoC consumes 6.15 mW from a 3 V power supply, guaranteeing the smart capsule battery life is no less than 24 hours when using 50 mAh coin batteries. The experimental results show that measurement accuracy of the smart capsule is ±0.1 pH and ±0.2°C for pH and temperature sensing, respectively, which meets the requirement of in-body pH and temperature monitoring in clinical practice.

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A 2.4-GHz ZigBee Receiver Exploiting an RF-to-BB-Current-Reuse Blixer + Hybrid Filter Topology in 65-nm CMOS

Cited by 5 publications

References 21 publications

A Sub-mW Fully Integrated Wide-Band Receiver for Wireless Sensor Network

A Sub-mW Fully Integrated Wide-Band Receiver for Wireless Sensor Network

Design of Self-Differential Down-Conversion I/Q Mixer for 2.4 GHz IoT Application

A Fully Integrated SoC for Smart Capsule Providing In-Body Continuous pH and Temperature Monitoring

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