These are P-Channel enhancement mode silicon gate
power fi eld effect transistors. They are advanced power
MOSFETs designed, tested, and guaranteed to withstand a
specifi ed level of energy in the breakdown avalanche mode
of operation. All of these power MOSFETs are designed for
applications such as switching regulators, switching
converters, motor drivers, relay drivers and drivers for other
high-power switching devices. The high input impedance
allows these types to be operated directly from integrated
circuits.
IEC 62056 的很有價值的參考文檔,包括:
DLMS UA 1000-1 ed.8, Blue book, COSEM Identification System and Interface Classes
DLMS UA 1000-2 ed.6, Green book, DLMS/COSEM Architecture and Protocols
DLMS UA 1001-1 ed.3,Yellow book, DLMS/COSEM Conformance Testing Proce
The C++ editor is a text editor for C++ programmers. The editor have
color syntax highlighting. editor s main purpose is to edit source
code files outside the IDE (Integrated Development Environment) with
multiple opened copies of program, when programmer needs to find,
replace or compare source code. The program can compile the file
using for this purpose the Microsoft VC compiler. Most effectively
the editor can be used with a file search utility. The search utility
Search&edit or IDE Helper is available for download on developer s
WEB site (http://www.easydevtools.com/dwnl_frame.htm).
In this paper, the feasibility of replacing a chaos source by an equivalent digital pseudo-random generator realized using Linear Feedback Shift Register (LFSR) is studied. Particular emphasis is given on the digital implementation Piece-Wise Linear Affine Maps (PWAM). As an application, an FPGA implementation of four different maps has been experimentally verified in a FM-DCSK test radio system.
This Symbian C++ code example demonstrates how to easily use the onboard camera with zoom and autofocus, utilising an accompanying CameraWrapper made by Forum Nokia. The Camera Wrapper supports all Nokia s S60 devices based on S60 3rd edition and newer, providing a unified interface for various Symbian and S60 camera APIs some of which have previously been Feature Pack specific or only available via an SDK plug-in. The example application supports the use of both the keypad and touch UI. The application can be self-signed, but it also provides an option to use the dedicated camera key (Symbian signing required). The example application replaces the separate examples published for S60 3rd edition, FP1 (S60 Platform: Camera Example with AutoFocus Support v2.2) and FP2 (S60 Camera Example AutoFocus 3rd ed FP2).
This book is an entry-level text on the technology of telecommunications. It has been
crafted with the newcomer in mind. The eighteen chapters of text have been prepared
for high-school graduates who understand algebra, logarithms, and basic electrical prin-
ciples such as Ohm’s law. However, many users require support in these areas so Appen-
dices A and B review the essentials of electricity and mathematics through logarithms.
This book is an entry-level text on the technology of telecommunications. It has been
crafted with the newcomer in mind. The twenty-one chapters of text have been prepared
for high-school graduates who understand algebra, logarithms, and the basic principles of
electricity such as Ohm’s law. However, it is appreciated that many readers require support
in these areas. Appendices A and B review the essentials of electricity and mathematics
up through logarithms. This material was placed in the appendices so as not to distract
from the main theme, the technology of telecommunication systems. Another topic that
many in the industry find difficult is the use of decibels and derived units. Appendix C
provides the reader a basic understanding of decibels and their applications. The only
mathematics necessary is an understanding of the powers of ten
The chief objective of Electric Machinery continues to be to build a strong
foundation in the basic principles of electromechanics and electric machinery.
Through all of its editions, the emphasis of Electric Machinery has been
on both physical insight and analytical techniques. Mastery of the material covered
will provide both the basis for understanding many real-world electric-machinery
applications as well as the foundation for proceeding on to more advanced courses in
electric machinery design and control.