Adjustable resistors for hybrid circuits

Details Adjustable resistors for hybrid circuits Adjustable resistors for hybrid circuits

1978-06-26

1979-03-27

Albritton, C. L.

Electrical resistors

Mechanically variable

Resistance value varied by removing or adding material

338308, H01C 1000

Patent

active

041468678

ABSTRACT:
High precision film resistors are designed as a main resistive element corresponding to half the total value associated with five additional resistive elements the values of each of which are successively half of the value of the preceding one plus one resistive element of the same value as the smallest element of the five above mentioned elements, each of the additional element is originally short-circuited, adjustment being performed by cancelling at least one of the short circuits. This design of the resistive elements allows a reduced number of short circuit suppressions than previously used designs with the same precision.

REFERENCES:
patent: 3441804 (1969-04-01), Klemmer
patent: 3489980 (1970-01-01), Masters
patent: 3930304 (1976-01-01), Keller et al.

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