The Communications Facility Design Handbook (Electronics Handbook Series)
Jerry C. Whitaker
Format: PDF / Kindle (mobi) / ePub
The responsibilities of the system engineer are many and varied, especially as they relate to facility design and construction. Successful execution of these responsibilities requires an understanding of the underlying technologies, the applicable quality standards, and the proper methods for achieving them. The Communications Facility Design Handbook is dedicated to providing and supporting that understanding. It examines the tasks and functions of the system engineer and establishes a foundation for designing, installing, operating, and maintaining audio, video, computer, and radio frequency systems and facilities.
Unique in its scope and its approach, The Communications Facility Design Handbook describes the important steps required to take a project from basic design to installation and completion. From the fundamental principles of electronics to details on wiring, from budget analysis to safety considerations, this is your one-stop reference for planning, building, renovating, and operating all types of electronics facilities.
some particular mode, is ready to operate, or is not ready. Indicator lights of different colors illuminating a legend or having an adjacent legend are most commonly used. Alphanumeric codes and complete messages are often displayed on cathode ray tubes or on liquid crystal displays. These more complex displays are computer- or microprocessor-controlled. Miniature light bulbs are incandescent devices operating at low voltage between 1 and 48 V, with currents from 0.01 to 4 A and total power
Inductors and Transformers Losses in Inductors and Transformers Air-Core Inductors Ferromagnetic Cores Shielding Diodes and Rectifiers The pn Junction Zener Diodes and Reverse Breakdown Current Regulators Varistor Indicators Active Circuit Components Vacuum Tubes Bipolar Transistors NPN and PNP Transistors Transistor Impedance and Gain Transistor Configurations Switching and Inductive-Load Ratings Noise Field-Effect Transistors FET Impedance and Gain Integrated Circuits Digital Integrated
2000 by CRC PRESS LLC Figure 2.12 Pulse frequency modulation. It should be emphasized that all of the pulse modulation systems discussed thus far may be used with both analog and digital input signals. Conversion is required for either signal into a form that can be accepted by the pulse modulator. 2.4.4 Pulse Code Modulation The pulse modulation systems discussed previously are unencoded systems. Pulse code modulation (PCM) is a scheme wherein the input signal is quantized into discrete
relationships between the drawings, the documents should include reference designations common to the project. That way, items on one type of document can be located on another type. For example, the location of a piece of equipment can be indicated at its symbol on the flow diagram so that the technician can identify it on the rack elevation drawing and in the actual rack. A flow diagram is used by the installation technicians to assemble and wire the system components together. All necessary
wiring must conform to local wiring codes. Most codes are based on the NEC. Electrical codes specify wiring materials, wiring devices, circuit protection, and wiring methods. 5.2.1 Planning the Ground System The attention given to the design and installation of a facility ground system is a key element in the day-to-day reliability of the plant. A well-designed and -installed © 2000 by CRC PRESS LLC ground network is invisible to the engineering staff. A marginal ground system, however, can