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Power Factor Improvement of Induction Motor Using Micro-Processor Controlled FC-TCR Compensator
White Paper The proposed scheme employs an FC-TCR type of power factor compensator along with associated control circuits. This paper describes the design and implementation of a scheme using a microprocessor achieve on line and... [03 Dec 2008]
A Multiple-Rotating-Clock-Phase Architecture for Digital Data Recovery Circuits Using Verilog-A
White Paper This paper presents an oversampling Data Recovery (DR) architecture using Verilog-A that employs a novel Multiple-Rotating-Clock-Phase (MRCP) concept for its operation. The MRCP-DR architecture is a variant of the... [22 Oct 2008]
Modeling of Jitter in Bang-Bang Clock and Data Recovery Circuits
White Paper Clock and Data Recovery (CDR) circuits incorporating bang-bang (binary) Phase Detectors (PDs) have recently found wide usage. In contrast to their linear counterparts, bang-bang PDs relax the speed and... [22 Oct 2008]
Open-Loop Clock and Data Recovery Systems
White Paper CDR circuits typically use PLLs, but their complexity presents several design challenges : the input data stream is random and is usually in Non-Return-to-Zero (NRZ) data format, and little energy exists at the clock... [22 Oct 2008]
Designing Bang-Bang PLLs for Clock and Data Recovery in Serial Data Transmission Systems
White Paper Clock recovery using Phase-Locked Loops (PLL) with binary (bang-bang) or ternary-quantized phase detectors has become increasingly common starting with the advent of fully monolithic Clock and Data... [07 Oct 2008]
IBM to use DNA to shrink chip size
News While this improves the performance, producing smaller circuits has strained the financial and technical resources of the industry. The limits of lithography - used to "draw" circuits - have prompted... [21 Feb 2008]
Peter Cochrane's Blog: NGNs - real or imaginary?
Comment My first (personal) experience of a NGN came with the arrival of the transistor which immediately reduced equipment sizes and power consumption, and increased the number of speech circuits per pair. The next NGN involved... [02 May 2007]
Troubleshoot dial issues on Cisco networks
White Paper The chapter focuses on the following main topics:Detailed troubleshooting network access server (NAS) wide-area network (WAN) links, including T1 circuits and PRIsTroubleshooting dial-in servicesTroubleshooting dial-out... [19 May 2006]
Peter Cochrane's Uncommon Sense: G force
Comment Instead of 1,000s of transistors, capacitors, resistors and wire leads mounted on printed circuit boards, we now have integrated circuits bonded onto substrates devoid of leads and, more importantly, almost devoid of any... [28 Nov 2002]
Oftel turns up leased line heat on BT
News Responding to pressure from operators, Oftel said it has introduced the deadline to increase the uptake of partial private circuits (PPC) through which operators gain access to leased line services. The two moves make up... [14 Jun 2002]
