low power digital cmos design pdf

... Fossum, Low Power Camera-on-a-Chip Using CMOS Active Pixel Sensor Technology, IEEE Symposium on Low Power Electronics, pp 74-77, 1995 Chapter Design Techniques for CMOS Image Sensors A CMOS image ... that lead to low power, wide dynamic range, high ll-factor and high resolution linear image sensor with digital interface The proposed circuit design is based on a standard 0:4 m CMOS process ... largest contributor to FPN The digital interface issues of CMOS imagers are also studied The design of a 12-bit pipelined analog-to -digital- converter (ADC) in standard CMOS technology is presented...

Ngày tải lên: 28/08/2014, 02:29

... INTRODUCTION……………………………………………………………………XIII ULTRA -LOW- POWER DESIGN: DEVICE AND LOGIC DESIGN APPROACHES……………………………………….………………………………….1 ON-CHIP OPTICAL INTERCONNECT FOR LOW- POWER …………………21 NANOTECHNOLOGIES FOR LOW POWER …………….…………………….40 ... outlook to proposals on other levels in the design flow and to future work Keywords: Low- power design, dynamic power reduction, leakage power reduction, ultralow-Vth devices, multi-Vdd, multi-Vth, ... Pacific Design Automation Conference 2003, pp 400-403 [20] K Usami, M Horowitz, Clustered Voltage Scaling Technique for Low- Power Design, Proceedings of the International Symposium on Low Power Design...

Ngày tải lên: 01/06/2014, 11:43

... 0.74 6.7 45 nm 1.55 2.44 21 25 0.6 5.3 0.62 5.8 DD: digital dynamic power, DL: digital leakage power D: total digital power, A: total analog power EPP: energy per pulse, EPB: energy per bit 4.2 ... contributions, a designer could decide on design techniques to tackle static and dynamic power consumption on top of CMOS scaling for enabling future low- power UWB radios A roadmap analysis of the power ... high-performance logic (HP), low- operating power (LOP), and low- standby power (LSP) in order to cover a wide range of applications that have different requirements for speed and/or power efficiency The drain...

Ngày tải lên: 22/06/2014, 22:20

... of technology for low data rate low power applications such as wireless sensor networks [12]-[13] based on IEEE 802.15.4a standard for reasons such as low cost, low power and low complexity Wireless ... 50 Fig 4.1: Low power burst mode UWB transceiver architecture 51 Fig 4.2: Measured result for low power burst mode UWB transceiver 52 Fig 4.3: Chip microphotograph of low power burst ... NUS Thesis Title: Design of Low Power CMOS UWB Transceiver ICs Abstract Two non-coherent UWB transceivers for wireless sensor networks are proposed in this thesis, namely the low power burst mode...

Ngày tải lên: 04/10/2015, 15:45

... Power- Flow Problem 325 6.5 Power- Flow Solution by Gauss–Seidel 331 6.6 Power- Flow Solution by Newton–Raphson 334 6.7 Control of Power Flow 343 6.8 Sparsity Techniques 349 6.9 Fast Decoupled Power ... Power Flow 352 6.10 The ‘‘DC’’ Power Flow 353 6.11 Power- Flow Modeling of Wind Generation 354 Design Projects 1–5 366 CHAPTER Symmetrical Faults 379 Case Study: The Problem of Arcing Faults in Low- Voltage ... to voltages, power engineers are also concerned with how power flows through the system (the solution of the power flow problem is covered in Chapter 6, Power Flows) In PowerWorld, power flows can...

Ngày tải lên: 30/03/2014, 07:20

... 90% lower than the design in [6], 81% lower than the design in [13], 82% lower than the design in [14], and 3% lower than the design in [15] Proposed multi-output dynamic full adder is 7% slower ... the design in [15] is the fastest full adder and the design in [13] is the slowest full adder Proposed low power dynamic carbon nanotube full adder is 46% slower than the design in [15], 12% slower ... the design in [6], 26% faster than the design in [13], 36% slower than the design in [14], and 43% slower than the design in [15] This proposed full adder consumes 91% less power than the design...

Ngày tải lên: 21/06/2014, 00:20

... B1, B2, B3, B4 in Figure 7), allowing the connection of the output power stage to the PWM output of a low- power digital circuit, such as an FPGA For the target power levels of this work the supply ... acquisition/playing system in a single embedded device 2.2 Platform-Based Design Flow To allow a fast but still accurate design space exploration we followed a meet-inthe-middle approach between bottom-up and ... different analog and digital techniques The resulting architecture aims at achieving optimal performance in terms of low- distortion and high power efficiency while still allowing a low- cost implementation:...

Ngày tải lên: 21/06/2014, 20:20

... technique in low- power implementations: it reduces the delay per task while keeping the energy per task constant The partitioning exploration step of the design flow uses a CycloStatic DataFlow (CSDF, ... [9] The techniques for power aware system design [10] are grouped according to their impact on the energy delay product in [4] Our proposed design flow assigns them to a design step and identifies ... a design flow helps to focus on the problems related to each design step and to evolve gradually towards a final, energy efficient implementation Additionally, such design approach shortens the design...

Ngày tải lên: 22/06/2014, 19:20

... Chandrakasan, S Sheng, and R W Brodersen, “Lowpower CMOS digital design, ” IEEE Journal of Solid-State Circuits, vol 27, no 4, pp 473–484, 1992 [18] B M Bass, “A low- power, high-performance, 1024-points ... NTU as a Research Engineer His research interests include digital IC design, VLSI architectures for digital signal processing, low- power design, and embedded signal processing Woon-Seng Gan received ... Recently, low- power VLSI speech systems, such as speech recognizers and speech codecs, have many promising applications in large volume battery powered portable products, such as personal digital...

Ngày tải lên: 22/06/2014, 19:20

... as a Design Manager of the Advanced Analog Cells Section, in charge of the design of data converters for personal communication systems His current main interest is the design of low- power low- voltage ... and his research interests include low- power and low- voltage mixed signal wireless integrated circuits, GHz serial interfaces and high-performance and low- power digital signal processing architectures ... in area and power savings, since a single-stage low- voltage and low- power amplifier can be used for the implementation Two issues need to be carefully considered for the ADC system design First,...

Ngày tải lên: 22/06/2014, 22:20

... Researcher at Pisa University, working on algorithms and VLSI architecture design for multimedia and lowpower CMOS design methodologies Luca Fanucci was born in Montecatini Terme, Italy, in 1965 ... identifying, realizing, and testing a design methodology based on systolic arrays For the past years he has been involved in the design of high-performance low- power digital systems Professor Terreni ... in the areas of system-on-chip design, low- power systems, VLSI architectures for real-time image and signal processing, and applications of VLSI technology to digital and RF communication systems...

Ngày tải lên: 23/06/2014, 01:20

... for Low Power Slide 19 Low Power Design  Reduce dynamic power – α: clock gating, sleep mode – C: – VDD: – f:  Reduce static power CMOS VLSI Design Design for Low Power Slide 20 Low Power Design ... low leakage devices, Pstatic = 749 mW (!) CMOS VLSI Design Design for Low Power Slide 18 Low Power Design  Reduce dynamic power – α: – C: – VDD: – f:  Reduce static power CMOS VLSI Design Design ... Outline     Power and Energy Dynamic Power Static Power Low Power Design CMOS VLSI Design Design for LowSlide Power Power and Energy  Power is drawn from a voltage source...

Ngày tải lên: 01/07/2014, 11:20

Ngày tải lên: 05/07/2014, 08:20

... full level digital data in the memory array The digital data traveling through various digital circuitry gets distorted by adding delays in the signals like low voltage signal levels, slow rise ... various digital circuits and gets distorted when it reaches the chip i.e the digital data traveling through various digital circuitry gets distorted by adding delays in the signals like low voltage ... MOSFET Digital Model and Delay calculations Switching Resistance Calculation: The switching resistance in the digital circuits is estimated by using the following approximation In the following...

Ngày tải lên: 11/07/2014, 02:21

... 0 0 1 0 0 1 0 (AB) (A=B) 4.2 Low Power Design 4.2.1 Low Power Design at Circuit Level 4.2.1.1 Purpose This level will implement designs (Design_ 1 and Design_ 2) of the 1-bit magnitude comparator ... Table 28 4.2 Low Power Design 29 4.2.1 Low Power Design at Circuit Level 29 4.2.1.1 Purpose 29 4.2.1.2 Design Basic 29 4.2.1.3 Design Implementation ... Remark: Dynamic Power Dissipation is linearly proportional to Frequency Nguyễn Thị Đê 28 CHAPTER IV LOW POWER DESIGN OF A SIMPLE LOGIC CIRCUIT In this chapter the techniques of low power design is...

Ngày tải lên: 26/08/2015, 16:25

... should be battery-powered to work for days or even months for a single charge This requires the sensor nodes to be in small size and consume low power Different sensor node designs have been ... terms of network lifetime Moreover, the MAC layer should be of low complexity for easy implementation, and consumes low power The design of the physical and application layers are not the concerns ... as a baseline design such that future systems can be built upon it Besides the effort in hardware design, the MAC protocol also plays an important v role An efficient MAC protocol design can ensure...

Ngày tải lên: 09/09/2015, 08:16

... consumes more power than inductive telemetry, high power consumption implies higher system cost, weight, and form factor, mainly due to the need of larger power capacity Example on low- power devices ... 4.19 Die photo 77 Fig 4.20 TX power breakdown 77 XV List of Tables Table 3.1 Digital bits for filter design 44 Table 3.2 TX Power Breakdown 51 Table 3.3 Performance ... suppressed Lastly, the TX will be designed to support multiple channels 1.3 Research Contribution The main contributions of my research works lie in the design of low- power high-data-rate TX dedicated...

Ngày tải lên: 09/09/2015, 11:19

... transformation Comprehensive design equations are derived to aid the PA design, characterization and optimization The proposed design facilitates fully on-chip solution for low- power Class-E PA Measurement ... is equivalent to GMSK This allows for simple circuit architecture to save power [14, 31, 32] IEEE 802.15.4 standard is particularly popular for low data-rate and low- power applications, and its ... the data-rates are below Mbps 2.2 Custom Designed Transceivers using proprietary Standards Various custom designed transceivers with proprietary standards targeting for low- power application are...

Ngày tải lên: 09/09/2015, 18:49

... circuits design This chapter discusses low- voltage low- power issues related to switched-capacitor (SC) circuits and introduces low- voltage and low- power circuits design techniques 3.1 Low- Voltage Low- Power ... chapter discusses design considerations for low- voltage low- power circuits The discussion starts from low- voltage circuit design issues Then it is followed by low- voltage circuit design techniques ... of (a) DT and (b) CT ΔΣ modulator 22 Chapter Design Consideration for Low- Voltage Low- Power Circuits CHAPTER DESIGN CONSIDERATION FOR LOW- VOLTAGE LOW- POWER CIRCUITS Continuing down scaling of device...

Ngày tải lên: 09/09/2015, 18:49

... to CMOS digital technologies The resulting transceiver could thus benefit from the down-scaling of CMOS devices by tapping on faster digital logic and tremendous digital signal processing power ... Energy efficiecy (pJ/pulse) [14] [13] [16] [15] [17] CMOS CMOS CMOS CMOS CMOS 90 130 180 90 180 1.25 1.35 1.8 1.8-2.2 1.2 1250 186 920 22.6 12 17.5 CMOS 90 0.71-0.165 Pulse amplitude 0.15V@ 2.4V@ ... fully digital implementation and duty cycling Because of its digital pulse like nature, IR UWB can benefit from the scalability of CMOS technology and the tremendous digital signal processing power...

Ngày tải lên: 10/09/2015, 09:21