A simple battery operated counting integrator was developed for field integration of millivolt analog signals. The circuit uses a micropower operational amplifier and C/MOS digital circuitry to minimize current drain. Two small mercury batteries operate the circuit for an entire growing season. An e
โฆ LIBER โฆ
A micropower, digital temperature integrator
โ Scribed by D.J Buckley
- Publisher
- Elsevier Science
- Year
- 1976
- Weight
- 460 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0002-1571
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โฆ Synopsis
A micropower temperature integrator for integrating temperatures from 0 ยฐ to 50ยฐC is described. The threshold temperature above which integration occurs is selectable from 0 ยฐ to 49ยฐC. The instrument's digital readout is in units of day-ยฐC and has an accuracy within +-2.4% of the indicated value.
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