ESSCIRC 2007 - 33rd European Solid-State Circuits Conference最新文献

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Clock jitter in class-D audio power amplifiers d类音频功率放大器的时钟抖动
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430338
M. Berkhout
{"title":"Clock jitter in class-D audio power amplifiers","authors":"M. Berkhout","doi":"10.1109/ESSCIRC.2007.4430338","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430338","url":null,"abstract":"Many class-D audio amplifiers use a reference clock to fix the PWM carrier frequency. The jitter of the reference clock can cause significant voltage noise at the amplifier output. In this paper a simple model is presented that allows accurate prediction of the noise contribution from an integrated regenerative sawtooth oscillator to the output noise of a class-D audio amplifier. The implementation of an oscillator in a class-D amplifier is presented and the model is verified with measurements.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127221666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 14
A low jitter clocking strategy for a 7.5-Gb/s SerDes array in 65nm CMOS technology 基于65nm CMOS技术的7.5 gb /s SerDes阵列的低抖动时钟策略
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430359
P. Madeira, Marc-Andre LaCroix, J. Hogeboom
{"title":"A low jitter clocking strategy for a 7.5-Gb/s SerDes array in 65nm CMOS technology","authors":"P. Madeira, Marc-Andre LaCroix, J. Hogeboom","doi":"10.1109/ESSCIRC.2007.4430359","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430359","url":null,"abstract":"A low-jitter and low-power clocking strategy targeting a high-density multi-channel SerDes application is presented. A cascaded PLL architecture was devised in order to simultaneously meet the jitter generation requirements and distribute multiple clock phases to each transceiver segment. Multiple clock phases are generated and distributed to transceivers by a synchronized oscillator array (SOA), formed by multiple closed-loop ring oscillators (located in each transceiver segment). Each individual delay element is connected in parallel with its counterparts located in other segments of the array. The synchronized oscillator array spans the entire length of the SerDes macro, thus eliminating the need for expensive high-speed clock drivers. It is part of a wide-bandwidth PLL, which tracks a low-jitter clock generated from an on-chip wide-tuning range LC-PLL, locked to a low cost external reference. The long-term jitter measured at the output of a transmitter is approximately 0.33 ps rms. Integrated in STMicroelectronics' standard LP 65 nm CMOS process, the power consumption of the clock circuits in a 4 channel SerDes is 168 mW from a 1.2 V supply.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127240463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An energy-efficient 1.5-Mbps wireless FSK transmitter with A ∑Δ-modulated phase rotator 一种具有∑Δ-modulated相位旋转器的1.5 mbps高效无线FSK发射机
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430348
Yao-Hong Liu, Tsung-Hsien Lin
{"title":"An energy-efficient 1.5-Mbps wireless FSK transmitter with A ∑Δ-modulated phase rotator","authors":"Yao-Hong Liu, Tsung-Hsien Lin","doi":"10.1109/ESSCIRC.2007.4430348","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430348","url":null,"abstract":"An energy-efficient PLL-based FSK transmitter is reported in this work. The PLL output signal is manipulated by a sigma-delta modulated phase rotator, whose output frequency is controlled by the input data, to produce FSK signals. Since the data is applied outside the PLL, the frequency modulation characteristics are no longer constrained by the PLL loop. Fabricated in a 0.18-mum CMOS process, the whole transmitter draws 13 mA from a 1.5-V supply. With a 1.5-Mbps data rate, the transmitter achieves an energy efficiency of 13 nJ/bit, and delivers an output power of -9 dBm.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130048893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 9
A CMOS Operational Amplifier with Constant 68° phase margin over its whole range of noise-power trade-off programmability 在整个噪声-功率权衡可编程性范围内具有恒定68°相位裕度的CMOS运算放大器
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430340
Philipp Meier auf der Heide, C. Bronskowski, J. Tomasik, D. Schroeder
{"title":"A CMOS Operational Amplifier with Constant 68° phase margin over its whole range of noise-power trade-off programmability","authors":"Philipp Meier auf der Heide, C. Bronskowski, J. Tomasik, D. Schroeder","doi":"10.1109/ESSCIRC.2007.4430340","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430340","url":null,"abstract":"The problem of variable phase margin of our programmable operational amplifier (OpAmp), which was presented at ESSCIRC 2006, has been solved. The OpAmp is programmable concerning noise and power consumption, while the phase margin is kept at an approximately constant value of 68deg for the whole range of programmability. Experimental results for a 0.35 mum CMOS OpAmp show either low noise of 3.6 nV/radicHz or low power consumption of 59 muW, and a phase margin variation of only Deltaphires = 6deg.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129296678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
An 11.75-Gb/s combined decision feedback equalizer and clock data recovery circuit in 0.18-μm CMOS 基于0.18 μm CMOS的11.75 gb /s组合决策反馈均衡器和时钟数据恢复电路
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430353
Lijun Li, Michael M. Green
{"title":"An 11.75-Gb/s combined decision feedback equalizer and clock data recovery circuit in 0.18-μm CMOS","authors":"Lijun Li, Michael M. Green","doi":"10.1109/ESSCIRC.2007.4430353","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430353","url":null,"abstract":"An 11.75-Gb/s combined DFE and CDR circuit in 0.18mum CMOS is presented. The feedback path of the DFE is merged with an Alexander phase detector resulting in reduced power and enhanced performance. It is capable of equalizing copper cable channels with up to 12dB loss at 5.875GHz Nyquist frequency and consumes 201mW with a 1.8 supply voltage.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"357 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133002803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
80 GHz low noise amplifiers in 65nm CMOS SOI 80 GHz低噪声放大器在65nm CMOS SOI
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430315
B. Martineau, A. Cathelin, F. Danneville, A. Kaiser, G. Dambrine, S. Lépilliet, F. Gianesello, D. Belot
{"title":"80 GHz low noise amplifiers in 65nm CMOS SOI","authors":"B. Martineau, A. Cathelin, F. Danneville, A. Kaiser, G. Dambrine, S. Lépilliet, F. Gianesello, D. Belot","doi":"10.1109/ESSCIRC.2007.4430315","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430315","url":null,"abstract":"A 1 stage and 3 stages 80 GHz low noise amplifiers (LNA) are presented in this paper. Both mm-wave LNA are integrated in a 65 nm CMOS SOI process. The one stage amplifier exhibits 2.1 dB gain and a noise figure of 4.5 dB at 80 GHz. The input and output return losses are -13 dB and -6 dB respectively. This amplifier consumes 22 mW from a supply voltage of 1.2 V and occupies an area of 0.64 mm2 including the pads. The 3 stages LNA presents a gain of 7.2 dB and a noise figure of 5.7 dB at 80 GHz with an input and output matching better than -14 dB and -10 dB respectively. The 3 stages amplifier consumes 70 mW from a supply voltage of 1V and occupies an area of 0.98 mm2 including pads.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130894880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 26
A flexible, ultra-low power 35pJ/pulse digital back-end for a QAC UWB receiver 用于QAC UWB接收机的灵活、超低功耗35pJ/脉冲数字后端
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430287
M. Verhelst, W. Dehaene
{"title":"A flexible, ultra-low power 35pJ/pulse digital back-end for a QAC UWB receiver","authors":"M. Verhelst, W. Dehaene","doi":"10.1109/ESSCIRC.2007.4430287","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430287","url":null,"abstract":"The quadrature analog correlating (QAC) IR- UWB receiver is the ideal candidate for ultra-low power communication in sensor networks. The design of the digital back-end of this UWB receiver is very challenging due to the required high timing precision and flexibility. This paper describes a 0.13 mum CMOS design of a QAC IR-UWB flexible digital back-end. A novel architecture, based on nested flexmodules, lets flexibility and low power consumption go hand-in-hand. The back-end, running at 80 MHz with a 0.95 V supply, consumes 35 pJ/pulse. This leads to an energy consumption of 700 pJ/bit, including acquisition overhead, when receiving 2.67 Mbps with 15 pulses per bit.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121615928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
An integrated switched-capacitor front-end for capacitive sensors with a wide dynamic range 用于宽动态范围电容式传感器的集成开关电容前端
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430328
A. Heidary, G. Meijer
{"title":"An integrated switched-capacitor front-end for capacitive sensors with a wide dynamic range","authors":"A. Heidary, G. Meijer","doi":"10.1109/ESSCIRC.2007.4430328","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430328","url":null,"abstract":"This paper presents the analysis and design of an integrated switched-capacitor front-end circuit for capacitive sensor with a wide dynamic range. The interface has been implemented with a relaxation oscillator. A negative-feedback circuit controls the charge-transfer speed, to prevent the overload of the input amplifier for large input signals. It has been shown, that proper functioning of this circuit is limited to a certain range of one of the parasitic input capacitances. Solutions to extend this range have been proposed. The circuit has been designed and implemented in 0.7 mum standard CMOS technology. The effects of any additive and multiplicative interface errors have been reduced by applying three-signal auto-calibration. Experimental results show that application of negative feedback yields a linearity of about 50times10~6 (14 bits) for the capacitor range of 1 pF to 300 pF, with a 16 bits resolution for a measurement time of 100 ms.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127563512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A novel architecture for inductive proximity sensors using sigma delta modulation 一种采用σ δ调制的新型电感式接近传感器结构
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430299
S. Thoss, O. Machul, B. Hosticka
{"title":"A novel architecture for inductive proximity sensors using sigma delta modulation","authors":"S. Thoss, O. Machul, B. Hosticka","doi":"10.1109/ESSCIRC.2007.4430299","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430299","url":null,"abstract":"This paper presents a novel architecture for inductive proximity sensors using sigma delta modulation. The LC-oscillator is included in the sigma delta control loop providing amplitude regulation and high precision analog-to-digital conversion in one block. The circuit consists of a new LC-oscillator suitable for clocked tail current injection, two SC integrators and a clocked comparator forming the sigma delta modulator and a PLL providing the clock for synchron amplitude sampling. The circuit was realized in a 0.8 mum CMOS technology of the Fraunhofer Institute for Microelectronic Circuits and Systems. Measurements show the capability of the system to distinguish even smallest differences in the target distance.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132329053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
A 1 V 250 KPPS 90 NM CMOS pulse based transceiver for CM-range wireless communication 用于cm范围无线通信的1 V 250 KPPS 90 NM CMOS脉冲收发器
ESSCIRC 2007 - 33rd European Solid-State Circuits Conference Pub Date : 2007-09-01 DOI: 10.1109/ESSCIRC.2007.4430264
D. Guermandi, S. Gambini, J. Rabaey
{"title":"A 1 V 250 KPPS 90 NM CMOS pulse based transceiver for CM-range wireless communication","authors":"D. Guermandi, S. Gambini, J. Rabaey","doi":"10.1109/ESSCIRC.2007.4430264","DOIUrl":"https://doi.org/10.1109/ESSCIRC.2007.4430264","url":null,"abstract":"We present a baseband pulse based transceiver for centimeter range wireless communication. It is implemented in 90 nm CMOS technology and uses a 0.5 cm2 on board inductor as antenna to reduce cost and minimize size. All the timing information is extracted from the incoming pulse sequence by means of an on-chip Phase Locked Loop whose output is used to duty cycle the receiver and drive the transmitter, obviating the need for an on board quartz reference. The complete system integrates front end, antenna and clock-recovery in a single module with cm2 size. At 250 Kpps, the transceiver consumes 257 muW (6 muW TX, 181muW RX, 70 muW PLL), corresponding to an energy consumption of InJ/pulse.","PeriodicalId":121828,"journal":{"name":"ESSCIRC 2007 - 33rd European Solid-State Circuits Conference","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121809208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
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