Digging deeper, this practical resource shows you how to engineer innovative devices by experimenting with and radically improving existing designs.Build Your Own Transistor Radios covers:Calibration tools and test generatorsTRF, regenerative, and reflex radiosBasic and advanced superheterodyne radiosCoil-...
1. McGraw-Hill Encyclopedia of Science & Technology, 10th Edition, Volume 14 (PLAS-QUI).pdf 大小:20.3MB 网盘下载:下载地址 内容简介 这部被评为“科学和工程技术的首选大百科”,在美国独树一帜,影响广泛,曾被美国前总统里根在任期间访问前苏联时做为国礼相送。在新版(第10版)里的8500篇学术文章中,有...
W 90. ELECTRICAL CIRCUIT An alternating current generator generates a current given by I ϭ 30 sin 120t where t is time in seconds. What are the amplitude A and pe- riod P of this function? What is the frequency of the current; that is, how many cycles (periods) will be completed...
Generator 641 Master/Detail Browser 643 Reports Manager 648 Reporting from Data Grids 655 Spool SQL 659 Spool SQL 659 Utilities 660 Archive 660 Wrap Code 660 Service Manager 661 External tools 662 FTP 665 Java Manager 668 Network Utilities 672 Task Scheduler 676 Unix Job Scheduler 678 Source ...