Variable Power Supply with Digital Control 2011 CHAPTER -1 Introduction:- The most frequently used device in electronic workshops and laboratories is a universal power supply…
CHAPTER 1 INTRODUCTION The anti-sleep driving alarm for people doing all night drives as well as security guards and others we have to sit in one place for long periods of…
All tube 3.5/7MHz AM/CW portable transmitter (MAFTR-37A) - Built in 2010 - [The last renewal of this page: July. 21, 2010] The Japanese CQ Magazines published in 1960's…
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