Electronic apparatus for biological research Electronic apparatus for biological research electronicappara00dona Year: 1958 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


Electronic apparatus for biological research Electronic apparatus for biological research electronicappara00dona Year: 1958 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 Core of magnetic _ material Energizing voltage


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