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2013 Proceedings of the ESSCIRC (ESSCIRC)最新文献

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A 14 µA ECG processor with robust heart rate monitor for a wearable healthcare system 用于可穿戴医疗保健系统的带鲁棒心率监视器的14µA ECG处理器
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649093
S. Izumi, K. Yamashita, M. Nakano, T. Konishi, H. Kawaguchi, H. Kimura, K. Marumoto, T. Fuchikami, Y. Fujimori, H. Nakajima, T. Shiga, M. Yoshimoto
This report describes an electrocardiograph (ECG) processor for use with a wearable healthcare system. It comprises an analog front end, a 12-bit ADC, a robust Instantaneous Heart Rate (IHR) monitor, a 32-bit Cortex-M0 core, and 64 Kbyte Ferroelectric Random Access Memory (FeRAM). The IHR monitor uses a short-term autocorrelation (STAC) algorithm to improve the heart-rate detection accuracy despite its use in noisy conditions. The ECG processor chip consumes 13.7 μA for heart rate logging application.
本报告描述了一种用于可穿戴医疗保健系统的心电图(ECG)处理器。它包括一个模拟前端、一个12位ADC、一个健壮的瞬时心率(IHR)监视器、一个32位Cortex-M0内核和64 kb的铁电随机存取存储器(FeRAM)。IHR监测器使用短期自相关(STAC)算法来提高心率检测的准确性,尽管它在嘈杂的条件下使用。心电处理器芯片用于心率记录的功耗为13.7 μA。
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引用次数: 19
A 0.54 THz signal generator in 40 nm bulk CMOS with 22 GHz tuning range 一个0.54太赫兹的信号发生器在40纳米块CMOS与22 GHz调谐范围
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649160
W. Steyaert, P. Reynaert
This work presents a 540 GHz signal generator consisting of a LC-VCO with buffer, implemented in a 40 nm bulk CMOS technology. The buffer is optimized for non-linear operation, to maximize the third harmonic generation at 540 GHz. The third harmonic is coupled to the load by a transformer. To accurately measure the output power, a WR-1.5 probe has been used. The output power is -31 dBm at 543 GHz, for 16.8 mW of DC power consumption. The output frequency can be tuned from 561.5 GHz to 539.6 GHz, resulting in a 21.9 GHz tuning range,the highest reported so far for CMOS THz oscillators. The 3-dB output bandwidth is 5.5 GHz.
这项工作提出了一个540 GHz的信号发生器,由一个带缓冲的LC-VCO组成,实现在40纳米的大块CMOS技术。该缓冲器针对非线性操作进行了优化,以最大限度地提高540 GHz下的三次谐波产生。第三次谐波通过变压器耦合到负载上。为了准确测量输出功率,使用了WR-1.5探头。543 GHz时输出功率为-31 dBm,直流功耗为16.8 mW。输出频率可以从561.5 GHz调谐到539.6 GHz,从而产生21.9 GHz的调谐范围,这是迄今为止报道的CMOS太赫兹振荡器的最高调谐范围。3db输出带宽为5.5 GHz。
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引用次数: 11
A high-swing complementary class-C VCO 高摆幅互补c类压控振荡器
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649159
Luca Fanori, P. Andreani
This paper presents a high-swing VCO combining the efficiency of the class-C oscillator with that of the complementary PMOS-NMOS topology. Moreover, removing the traditional tail current source, the VCO exhibits an even larger swing, maximizing the phase noise performance. Designed in a 90nm CMOS process, the VCO operates between 3.3GHz and 4.4 GHz, for a 28% tuning range. Drawing 1.8mA from 1.2V, the phase noise is -142 dBc/Hz at a 10MHz offset from a 4.4GHz carrier. The resulting phase-noise FoM is 191.5 dBc/Hz and varies 1.5 dB across the tuning range.
本文提出了一种结合c类振荡器效率和互补PMOS-NMOS拓扑效率的高摆幅压控振荡器。此外,去除传统的尾电流源,VCO表现出更大的摆幅,最大化相位噪声性能。该VCO采用90nm CMOS工艺设计,工作频率在3.3GHz至4.4 GHz之间,调谐范围为28%。从1.2V提取1.8mA时,相位噪声为-142 dBc/Hz,与4.4GHz载波偏移10MHz。所得相位噪声FoM为191.5 dBc/Hz,在整个调谐范围内变化1.5 dB。
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引用次数: 25
Design of a power-efficient CAM using automated background checking scheme for small match line swing 采用小匹配线摆动自动背景检查方案的节能凸轮设计
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649109
A. Do, Chun Yin, K. Yeo, T. T. Kim
This work reports a fully parallel match-line (ML) structure with an automated background checking (ABC) scheme. MLs are pre-charged by a pulsed current source to minimize power. The proposed ABC scheme monitors the ML sensing using two dummy rows. It digitally adjusts the pulse width and the delay of the search control signals of the CAM without disturbing the normal operation. Therefore, it can continuously track the optimum operating point, making the CAM tolerant to fabrication variations. Additionally, multi-Vt transistors are used in the CAM cell to reduce the leakage by 15× while improving the ML discharge speed by 2× when compared with the standard-Vt devices at 1.2V, 80 °C. The test chip was prototyped using a standard 65 nm CMOS process. The average energy consumption is 0.77 fJ/bit/search at 500 MHz /1.2 V.
这项工作报告了一个具有自动背景检查(ABC)方案的完全并行匹配线(ML)结构。MLs由脉冲电流源预充电,以尽量减少功率。提出的ABC方案使用两个虚拟行来监视ML感知。在不影响凸轮正常工作的情况下,对凸轮搜索控制信号的脉宽和延时进行数字调节。因此,它可以连续跟踪最佳工作点,使凸轮容忍制造变化。此外,CAM电池中使用了多vt晶体管,与标准vt器件在1.2V, 80°C下相比,泄漏减少了15倍,ML放电速度提高了2倍。测试芯片的原型采用标准的65纳米CMOS工艺。在500mhz /1.2 V时,平均功耗为0.77 fJ/bit/search。
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引用次数: 18
A 39 dB DR CMOS log-amp RF power detector with ±1.1 dB temperature drift from −40 to 85°C 39 dB DR CMOS对数放大器RF功率检测器,温度漂移±1.1 dB,范围为- 40至85°C
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649129
E. Muijs, P. Silva, A. V. Staveren, W. Serdijn
This paper presents a temperature compensated logarithmic amplifier (log-amp) RF power detector implemented in CMOS 0.18μm technology. The input power can range from -50 to +10 dBm for RF signals ranging from 100MHz to 1.5 GHz. This design attains a typical DR of 39 dB for a ±1 dB log-conformance error (LCE). Up to 900MHz the temperature drift is never larger than ±1.1 dB for all 24 measured samples over a temperature range from -40 to +85°C. The current consumption is 6.3mA from a 1.8V power supply and the chip area is 0.76mm2.
提出了一种基于CMOS 0.18μm工艺的温度补偿对数放大器射频功率检测器。输入功率范围为-50 ~ + 10dbm,适用于100MHz ~ 1.5 GHz的射频信号。该设计在±1 dB日志一致性误差(LCE)下实现了39 dB的典型DR。在900MHz的温度范围内,所有24个测量样品的温度漂移从不大于±1.1 dB,温度范围为-40至+85℃。电流消耗为6.3mA,来自1.8V电源,芯片面积为0.76mm2。
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引用次数: 7
EMC compliant LIN transceiver 兼容EMC的LIN收发器
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649148
P. Schröter, Magnus-Maria Hell, Martin Frey
This paper introduces an integrated Local Interconnect Network (LIN) transceiver which sets a new performance benchmark in terms of electromagnetic compatibility (EMC). The proposed topology succeeds in an extraordinary high robustness against RF disturbances which are injected into the BUS and in very low electromagnetic emissions (EMEs) radiated by the LIN network without adding any external components for filtering. In order to evaluate the circuits superior EMC performance, it was designed using a HV-BiCMOS technology for automotive applications, the EMC behavior was measured and the results were compared with a state of the art topology.
本文介绍了一种集成的本地互连网络(LIN)收发器,该收发器在电磁兼容性(EMC)方面设定了新的性能基准。所提出的拓扑结构成功地对注入总线的射频干扰和LIN网络辐射的极低电磁发射(EMEs)具有非常高的鲁棒性,而无需添加任何外部组件进行滤波。为了评估电路优越的电磁兼容性能,采用汽车应用的HV-BiCMOS技术设计了电路,测量了电磁兼容性能,并将结果与最先进的拓扑结构进行了比较。
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引用次数: 8
A 180nm fully-integrated dual-channel reconfigurable receiver for GNSS interoperations 用于GNSS互操作的180nm全集成双通道可重构接收机
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649101
Nan Qi, B. Chi, Yang Xu, Zhou Chen, Yang Xu, Jun Xie, Zheng Song, Zhihua Wang
A fully-integrated dual-channel reconfigurable GNSS (GPS/GLONASS/Galileo/Compass) receiver in 180nm CMOS is presented, supporting simultaneous dual-system signal reception. Two channels of the receiver share RF front-end circuits and the frequency synthesizer, and employ separate IF-strips to support the different navigation systems. Reconfigurable signal bandwidths are supported, covering from 2.2MHz to 10MHz to implement both civil and high precision positioning. The on-chip I/Q mismatch calibration circuit is integrated to improve the image rejection ratio (IRR), which can be realized automatically with the aid of a FPGA. Besides, the receiver integrates internal AFC, DCOC, LDO and DCXO, which make it a complete GNSS radio. Thanks to the power scalable analog baseband circuits, the power consumption in the typical dual-channel mode is reduced to 23mA. The receiver achieves 2.5dB noise figure, 55dB dynamic range with 1dB steps, 50dB IRR and -57dBm input 1dB-compression point. The receiver can cooperate with a digital baseband to track real-time satellites in the open sky, achieving higher than 40dB CNR for both GPS and Compass systems.
提出了一种180nm CMOS全集成双通道可重构GNSS (GPS/GLONASS/Galileo/Compass)接收机,支持双系统信号同时接收。接收机的两个通道共用射频前端电路和频率合成器,并采用单独的中频带来支持不同的导航系统。支持可重构的信号带宽,覆盖2.2MHz至10MHz,可实现民用和高精度定位。为了提高图像抑制比(IRR),集成了片上I/Q错配校正电路,可借助FPGA自动实现。此外,接收机内部集成了AFC、DCOC、LDO和DCXO,使其成为一个完整的GNSS无线电。由于采用功率可扩展的模拟基带电路,典型双通道模式下的功耗降至23mA。接收机的噪声系数为2.5dB,动态范围为55dB,步进为1dB, IRR为50dB,输入为-57dBm,压缩点为1dB。该接收机可以配合数字基带在开放天空中跟踪实时卫星,GPS和Compass系统的信噪比均高于40dB。
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引用次数: 5
A 0.13µm CMOS integrated wireless power receiver for biomedical applications 用于生物医学应用的0.13 μ m CMOS集成无线电源接收器
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649091
M. Zargham, P. Gulak
This paper presents a fully integrated 2.2×2.2mm2, wireless power transfer (WPT) receiver in 0.13μm CMOS without any external components or post-processing steps. The on-chip receiver coil (Rx) demonstrates a peak measured WPT efficiency of -18.47dB, -20.96dB and -20.13dB at 10mm of separation through air, bovine muscle and 0.2molar NaCl, respectively. Fully integrating the large receiver coil along with supporting circuits introduces new challenges that are addressed in this paper. The receiver employs a synchronous adaptive matching network that guarantees the maximum achievable efficiency for a given resistive load. The proposed WPT rectifier uses feedback to avoid plasma-induced gate-oxide damage and a new dual-supply regulator architecture to achieve high power supply rejection ratio (PSRR) without utilizing any large off-chip capacitors.
本文介绍了一种完全集成的2.2×2.2mm2无线功率传输(WPT)接收器,该接收器采用0.13μm CMOS,无需任何外部组件或后处理步骤。片上接收线圈(Rx)在空气、牛肌肉和0.2摩尔NaCl中分别在10mm距离处的WPT效率峰值分别为-18.47dB、-20.96dB和-20.13dB。完全集成大的接收线圈和支持电路带来了新的挑战,这在本文中得到了解决。接收机采用同步自适应匹配网络,保证给定电阻负载的最大可实现效率。所提出的WPT整流器采用反馈来避免等离子体诱导的栅极氧化损伤,并采用新的双电源稳压器结构来实现高电源抑制比(PSRR),而无需使用任何大型片外电容器。
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引用次数: 5
A 0.7 – 3.7 GHz six phase receiver front-end with third order harmonic rejection 具有三阶谐波抑制的0.7 - 3.7 GHz六相接收机前端
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649127
Anders Nejdel, Markus Törmänen, H. Sjöland
This paper presents a highly linear receiver front-end operating from 700 MHz to 3.7 GHz with 3rd order harmonic rejection. It consists of a complementary low noise transconductance amplifier with capacitive cross coupling and negative gm current sources, a six phase current-mode passive mixer, and baseband transimpedance amplifiers providing programmable gain. The circuit has been fabricated in 65 nm CMOS technology with an active area of just 0.09 mm2. It consumes 7.2 mA, excluding the six phase local oscillator generation, from a 1.2 V supply, achieving a third order harmonic rejection of 40 dB, and a noise figure of 3 to 4.5 dB at 52 dB gain. The out of band IIP2 and IIP3 at full gain is +55 dBm and +5 dBm, respectively.
本文提出了一种工作频率为700 MHz ~ 3.7 GHz的三阶谐波抑制型高线性接收机前端。它包括一个互补的低噪声跨导放大器,具有电容交叉耦合和负通用电流源,一个六相电流模式无源混频器,以及提供可编程增益的基带跨阻放大器。该电路采用65纳米CMOS技术制造,有效面积仅为0.09 mm2。它的功耗为7.2 mA(不包括六相本振产生),来自1.2 V电源,在52 dB增益下实现了40 dB的三阶谐波抑制和3至4.5 dB的噪声系数。带外IIP2和IIP3在全增益时分别为+55 dBm和+5 dBm。
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引用次数: 9
A 48 GHz 6-bit LO-path phase shifter in 40-nm CMOS for 60 GHz applications 用于60 GHz应用的40纳米CMOS的48 GHz 6位lo路径移相器
Pub Date : 2013-10-31 DOI: 10.1109/ESSCIRC.2013.6649075
Chuang Lu, M. Matters-Kammerer, R. Mahmoudi, P. Baltus, E. Habekotté, K. V. Hartingsveldt, F. V. D. Wilt
This paper presents a 48 GHz high resolution LO-path phase shifter implemented in 40-nm low-power CMOS technology. The full 360° phase shift tuning is implemented by a switched capacitor loaded tunable transmission line for fine tuning, in combination with a selection of one out of the N×45° phase steps available from the frequency divider-by-4 for coarse tuning. The measured phase shift resolution is 5.4° between 44 GHz and 54 GHz, which offers about 6-bit resolution. The chip area of the core circuitry is 550μm×260μm, and the total current consumption is 14.1 mA from a 1.2 V supply voltage.
提出了一种采用40纳米低功耗CMOS技术实现的48 GHz高分辨率lo路移相器。完整的360°相移调谐是通过一个开关电容负载的可调谐传输线实现的,用于微调,结合从4分频器中可选择的N×45°相位步骤之一进行粗调谐。测量的相移分辨率在44 GHz和54 GHz之间为5.4°,提供约6位分辨率。核心电路的芯片面积为550μm×260μm,在1.2 V电源电压下,总电流消耗为14.1 mA。
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引用次数: 12
期刊
2013 Proceedings of the ESSCIRC (ESSCIRC)
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