This talk centered on Hamming s observations and research on the question"Why do so few scientists make significant contributions and so many are forgotten in the long run?"
A fully differential amplifi er is often used to converta single-ended signal to a differential signal, a designwhich requires three signifi cant considerations: theimpedance of the single-ended source must match thesingle-ended impedance of the differential amplifi er,the amplifi er’s inputs must remain within the commonmode voltage limits and the input signal must be levelshifted to a signal that is centered at the desired outputcommon mode voltage.
ACPR (adjacent channel power ratio), AltCPR (alternatechannel power ratio), and noise are important performancemetrics for digital communication systems thatuse, for example, WCDMA (wideband code division multipleaccess) modulation. ACPR and AltCPR are bothmeasures of spectral regrowth. The power in the WCDMAcarrier is measured using a 5MHz measurement bandwidth;see Figure 1. In the case of ACPR, the total powerin a 3.84MHz bandwidth centered at 5MHz (the carrierspacing) away from the center of the outermost carrier ismeasured and compared to the carrier power. The resultis expressed in dBc. For AltCPR, the procedure is thesame, except we center the measurement 10MHz awayfrom the center of the outermost carrier.
The GRLIB IP Library is an integrated set of reusable IP cores, designed for system-on-chip (SOC) development. The IP cores are centered around the common on-chip bus, and use a coherent method for simulation and synthesis. The library is vendor independent, with support for different CAD tools and target technologies. A unique plug&play method is used to configure and connect the IP cores without the need to modify any global resources.
The GRLIB IP Library is an integrated set of reusable IP cores, designed for system-on-chip
(SOC) development. The IP cores are centered around a common on-chip bus, and use a coherent
method for simulation and synthesis. The library is vendor independent, with support for different
CAD tools and target technologies. A unique plug&play method is used to configure and connect
the IP cores without the need to modify any global resources.
Wiley出版，共20章，大小為12M
1.Introduction to the Series 60 Platform
2.Overview of the Series 60 Platform
3.Design Patterns for Application Development
4.Software Development on the Series 60
Platform
5.Platform Architecture
6.User-centered Design for Series 60
Applications
7.Testing Software
8.Application Framework
9.Standard Panes and Application Windows
10.Lists and List Types
11.Other User Interface Components
12.View Architecture
13.Audio
14.Customizing the Series 60 Platform
15.Communications Architecture
16.Communications Application Programming
Interface
17.Messaging
18.Connectivity
19.Programming in Java for Smartphones
20.Midlet User Interface Framework
The book you’re holding, physically or electronically, is the result of a very
interesting, challenging but also rewarding research project. The research was
carried out in different contexts and cooperations but it was centered around the
following question: how can we make the RF transmitters of our modern com-
munication systems (WiFi, GSM, LTE, and so on) more flexible and more efficient
at the same time.
The roots of this book were planted about a decade ago. At that time, I became
increasingly convinced that wide-area and metropolitan-area networks, where much
of my group’s research has been centered at that time, were in good shape. Although
research in these fields was (and still is) needed, that’s not where the networking
bottleneck seemed to be. Rather, the bottleneck was (and still is in many places) in
the access networks, which choked users’ access to information and services. It was
clear to me that the long-term solution to that problem has to involve optical fiber
access networks.
