By Jacob Fraden
The Handbook's assurance of sensors is vast, starting from uncomplicated photodiodes to complicated units containing parts together. It deals hard-to-find reference info at the houses of various fabrics and sensing parts and emphasizes units which are much less recognized, whose know-how continues to be being subtle, and whose use allows the size of variables that have been formerly inaccessible.
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Additional resources for Handbook of Modern Sensors: Physics, Designs, and Applications
Sample text
15 2 Sensor Characteristics Output Impedance Output impedance Zout is important to know to better interface a sensor with the electronic circuit. The output impedance is connected to the input impedance Zin of the circuit either in parallel (voltage connection) or in series (current connection). 15 shows these two connections. The output and input impedances generally should be represented in a complex form, as they may include active and reactive components. To minimize the output signal distortions, a current generating sensor (B) should have an output impedance as high as possible while the circuit’s input impedance should be low.
It makes more sense to break up the total nonlinear span into smaller quasilinear sections. Then, form 2 should be used instead for each individual section. 4. In terms of the output signal. This is useful for sensors with a digital output format so the error can be expressed, for example, in units of LSB Which particular method to use often depends on the application. In modern sensors, specification of accuracy often is replaced by a more comprehensive value of uncertainty (see Sect. 22) because uncertainty is comprised of all distorting effects both systematic and random and is not limited to inaccuracy of a transfer function.
0 ratios of either power or force (voltage). It should be emphasized that decibels do not measure absolute values, but a ratio of values only. A decibel scale represents signal magnitudes by much smaller numbers, which in many cases is far more convenient. Being a nonlinear scale, it may represent low level signals with high resolution while compressing the high level numbers. In other words, the logarithmic scale for small objects works as a microscope and for the large objects as a telescope.
