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Strain Gauge Circuits
Last Updated on: Friday, March 12, 2010 12:07 PM


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A Worked Stepping Motor Example - Perhaps some of the most commonly available stepping motors, for the experimenter, are the head positioning motors from old diskette drives. These can be found at electronics swap meets, in computer surplus outlets, and even in trash dumpsters. In addition to a stepper, a typical full-height 5.25 inch disk drive includes a 12 volt DC motor with tachometer....(circuit design added 09/08)
Accurately measure resistance with less than perfect components - 11/11/04 EDN-Design Ideas:  For transducers, such as strain gauges or thermistors, you must accurately and inexpensively measure resistance using circuitry built with imperfect components and in which gain and offset errors can significantly limit the accuracy of ohmic measurements. The right circuit topology makes it possible to eliminate most error terms while measuring ohms, leaving the accuracy to be determined by jus.....(design idea added 11/04)
AN-275: Versatile Transmitter Chip Links Strain Gauges and RTDs to Current Loop - AN-275 Analog Devices Application Notes  (app note added 6/06)
AN-683: Strain Gage Measurement using an AC Excitation - AN-683 Analog Devices Application Notes  (app note added 6/06)
High Precision Rail-to-Rail Output Operational Amplifier - National Semiconductor Application Note LMV2001 April 2004 (app note added 02/05)
Sound Level Meter (Aaron Cake) - One chip replacement for the standard analog meters, based on LM3915 audio level IC... (added 7/05)
Strain Gauge Sensor #2 - (circuit / schematic design added 6/06)
Versatile Transmitter Chip Links Strain Gauges and RTDs to Current Loop - AN-275 Analog Devices Application Notes  (app note added 6/06)
 

 
 
 
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