Timers and Counters Circuits, page 1 #'s-A


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Timers and Counters Circuits, Page 1c
Last Updated on: Friday, September 19, 2008 04:15 AM
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Circuits Designed by Dave Johnson, P.E. :

555 Timer Forms Simple PWM Motor Controller
Using a CMOS version of the 555 timer, this circuit can be used to control the speed of a motor by adjusting the duty cycle of the pulses sent to the motor. (added 7/06)

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Air Pressure Sensor: a small project box (approximately 65x40mm), and is powered from a 12V AC plugpack. (added 9/04)

AN 1404: The Truth About the Fidelity of High Bandwidth Voltage Probes (5988-6515EN): Aligent App Note (added 2/06)

An Electronic Watt-Watt-Hour Meter: National Semiconductor - Application Note (app note added 2/06)

AN1013: Gas and Water Metering with the PIC16F91X Family: Microchip Application Note - Published 20-Jan-06 (app note added 6/06)

AN-1040: LVDS Performance: Bit Error Rate (BER) Testing Test Report #2: National Semiconductor - Application Note (app note added 2/06)

AN-1200: Mixed Signal Testing using the IEEE 1149.4 STA400: National Semiconductor - Application Note (app note added 2/06)

AN-1287: DP83815 MacPHYTER and DP83816 MacPHYTER-II High Data Rate Stress Testing: National Semiconductor - Application Note (app note added 2/06)

AN19 Component Reliability: Zetec Semiconductors - Applications Notes - This note introduces basic reliability theory, failure rate analysis, and product qualification methods, and includes sample data and FITs values for a variety of test methods. (app note added 2/06)

AN-215A: Designer's Guide to Flash-ADC Testing, Part 1: AN-215A - Analog Devices Application Notes (app note added 6/06) Flash ADCs Provide the Basis for High Speed Conversion.

AN-215B: Designer's Guide to Flash-ADC Testing, Part 2: AN-215B - Analog Devices Application Notes (app note added 6/06) DSP Test Techniques Keep Flash ADCs In Check

AN-215C: Designers's Guide to Flash-ADC Testing, Part 3: AN-215C - Analog Devices Application Notes (app note added 6/06) Measure Flash-ADC Performance for Trouble-Free Operation

AN220: Watt-Hour Meter using PIC16C923 and CS5460: Microchip Application Note - Published 20-Jan-06 (app note added 6/06)

AN-256: Circuitry for Inexpensive Relative Humidity Measurement: National Semiconductor - Application Note (app note added 2/06)

AN-265: An Electronic Watt-Watt-Hour Meter: National Semiconductor - Application Note (app note added 2/06)

AN290 Practical Temperature Measurement: Aligent App Note (added 2/06)

AN-297: Test Video A/D Converters Under Dynamic Conditions : AN-297-Analog Device Application Notes (app note added 6/06)

AN-300: Simple Circuit Detects Loss of 4-20 mA Signal: National Semiconductor - Application Note (app note added 2/06)

AN-347: Shielding and Guarding: AN-347 - Analog Devices Application Notes (app note added 6/06) How to Exclude Interference-Type Noise. What to do and Why to do it-A Rational Approach

AN-349: Keys to Longer Life for CMOS: AN-349 - Analog Devices Application Notes (app note added 6/06) Here's How CMOS Can be Protected Against Abuse

AN35 High-Side Current Sensing: Considerations and Applications for High-Side Current Monitoring: Zetec Semiconductors - Applications Notes - A guide for using the ZXCT range of products. Contained within the note are application ideas for extended supply ranges, a circuit for bi-directional current sensing and an over-current/short circuit protection circuit. Now updated and contained within AN39 (app note added 2/06)

AN39 Current Measurement Applications Handbook: Zetec Semiconductors - Applications Notes - This applications handbook explores how the requirements affect the design for AC and DC current measurement and the implications on cost and performance for different approaches. (app note added 2/06)

AN-4109 / A Guide to the Design of Current Feedback Control: Fairchild Application Notes / (app note added 6/06)

AN-559: A Low Cost Watt-Hour Energy Meter Based on the AD7755 (Chinese Version -5/2000): AN-559 - Analog Devices Application Notes (app note added 6/06)

AN-559: A Low Cost Watt-Hour Energy Meter Based on the ADE7755 (Russian Version): AN-559 - Analog Devices Application Notes (app note added 6/06)

AN-559: A Low Cost Watt-Hour Energy Meter Based on the ADE7755: AN-559 - Analog Devices Application Notes (app note added 6/06)

AN-563: A Tamper-Resistant Watt-Hour Energy Meter: AN-563 - Analog Devices Application Notes (app note added 6/06) Based on the ADE7751 and Two Current Sensors

AN-564: A Power Meter Reference Design Based on the ADE7756: AN-564 - Analog Devices Application Notes (app note added 6/06)

AN570: Calibrating the MTA11200 System: Microchip Application Note - Published 26-Aug-97 (app note added 2/06)

AN-574: A Tamper-Resistant Watt-Hour Energy Meter Based on the AD7751: AN-574 - Analog Devices Application Notes (app note added 6/06) With a Current Transformer and a Low Resistant Shunt

AN-578: RMS Calculations for Energy Meter Applications Using the ADE7756: AN-578 - Analog Devices Application Notes (app note added 6/06) The document describes the implementation of an rms signal processing algorithm using the ADE7756 and a Microcontroller (PIC16C63) from Microchip.

Audio Test Oscillator: (electronic (schematic / circuit added 4/02)

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