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Power Factor Correction PFC
Basics/AN-42047 - Fairchild App Note - . . .
Power Over Ethernet Applications/ AB-44 - Fairchild App Note - . . .
Powering 3.3V Digital Systems - DN33 Design Notes (Linear Technology) . . . [Linear Technology]
Practical Picmicro® Oscillator Analysis & Design - Application Note Published 11-Aug-04. . . [Microchip]
Precision Attenuator
with Digital Control - This is a circuit for a low cost
precision attenuator with digital control. . . [© EFY Enterprises Pvt. Ltd. All rights reserved.]
Precision Digital AC
Power Controller - . . .
Precision
Digital Altimeter - The current concept incorporates a
wireless transmitter and receiver and is thought to be used for remote controlled airplanes or appliances
with two separate parts. In other words, we have one dedicated transmitter (acquisition, filtering) and one
dedicated receiver part (user-interface, look-up table, calibration, storage) , . . .
Precision Wideband Current Probe for LCD Backlight Measurement - DN101 Design Notes (Linear Technology). . . [Linear Technology]
Predicting the Behavior of Real-Time Systems -
Application Note. . . [Agilent]
Printer Port Records
Digital Waveforms - 06/18/98 EDN Design Idea (File
includes several circuitsscroll to find this one) To record or capture special waveforms, those that
appear once or have no fixed frequency, the usual technique is to use a logic analyzer or a storage
oscilloscope. However, these tools are very expensive. Moreover, because of limited memory, a storage scope
can record fewer than 1000 samples. The technique presented here provides an alternative method to recording
digital waveforms. The idea is to use the PC's printer port to sample waveforms, and the PC's memory to store
data. . . [by Dean Shen, Dycam Inc, Chatsworth, CA]
Priority encoders slip into FPGAS - 02/17/94 EDN Design Idea The standard 8-to-3 priority encoder's design, in maximal
canonical form (such as the 74148), suffers from drawbacks when you try to use the design as a macro in a
large digital project. The drawbacks are: The number of inputs to the gates varies from two to nine; If any
of the inputs develops a stuck-at-zero or stuck-at-one fault, such a fault is difficult to detect; and
Reconfiguring the design to suit a fault-tolerant design is difficult. . . [by Swapnajit Mittra, Baharat
Electronics, Bangalore, India]
Probe Clip - PIC Project Here is how to make a handy test clip. This clip pierces and clamps on to a
wire without much fuss or damage. Its great for finding what all of those wires do under your dash board. . .
[Luhan Monat - Mesa Arizona]
Procedure for DDR Clock Skew &
Jitter Measurements - Application Note # 028. . . [Pericom
Semiconductor]
Processor Controls Watchdog Circuit - 01/18/96 EDN Design Idea The simple watchdog circuit in Figure 1 allows you to use the
same line to provide additional information about the system's operation by closing or opening. . . [by
Sergey Velichko, SCP, Boise, ID]
Processor Power
System Needs No Heat Sink - DN135 Design Notes (Linear
Technology). . . [Linear Technology]
Program turns PC sound card into a function generator - 09/02/99 EDN Design Idea You can use a low-cost PC sound card as an analog-function
generator by controlling the PC with the program "SoundArb. " [To obtain SoundArb, download di2409setup. exe,
a 1. 06-Mbyte self-extracting installation program. ]. . . [by David Sherman]
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