. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. Armature of stalloy or mumetal \ 1 Tension wire ~ Moving core of magnetic material mm stalloy diaphragm Coil Laminated core. Ferrite pot core (a) (b) (c) Figure Some variable inductance transducers shown diagrammatically function of the inductance. It is possible to correct these non-linearities with specially shaped armatures, but it is more usual to restrict the range of operation to a small fraction of the possible armature travel; over such a range the output of the circuit is vi
. Electronic apparatus for biological research. Electronic apparatus and appliances; Biology -- Research. Armature of stalloy or mumetal \ 1 Tension wire ~ Moving core of magnetic material mm stalloy diaphragm Coil Laminated core. Ferrite pot core (a) (b) (c) Figure Some variable inductance transducers shown diagrammatically function of the inductance. It is possible to correct these non-linearities with specially shaped armatures, but it is more usual to restrict the range of operation to a small fraction of the possible armature travel; over such a range the output of the circuit is virtually linear with displacement. A particularly convenient form of variable inductance transducer is the 'differential transformer', some examples of which are shown in Figure 3 equally spaced coils Pivoted armature Output. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Donaldson, Peter Eden Kirwan. New York, Academic Press
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