Trim network for monolithic circuits and use in trimming a d/a c

Details Trim network for monolithic circuits and use in trimming a d/a c Trim network for monolithic circuits and use in trimming a d/a c

1976-09-01

1979-04-17

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

338195, 340347DA, 340347M, H03K 1302

Patent

active

041503660

ABSTRACT:
There is disclosed a trim network suitable to be utilized in monolithic circuits and a method of trimming thereof to improve performance of the circuits to achieve greater yields. The network comprises at least one monolithic resistor connected across a known voltage potential and including a plurality of contacts thereon defining incremental resistances therebetween. The contacts are coupled to a common terminal via a plurality of metallic links. A desired output voltage is derived at the common terminal by open circuiting all of the links but a desired one. The voltage appearing at the common terminal can then be used for trimming a parameter of the monolithic circuit to improve the performance thereof.

REFERENCES:
patent: 3191151 (1965-06-01), Price
patent: 3441804 (1969-04-01), Klemmer
patent: 3761787 (1973-09-01), Davis et al.
patent: 3890610 (1975-06-01), Cahen
patent: 3930304 (1976-01-01), Keller et al.
Faber, Algorithmic Trimming on Active Circuit, Proceedings 1974, 24th Electronic Components Conference, IEEE/EIA, pp. 248-254.
Erdi, A Precision Trim Technique for Monolithic Analog Circuits, 1975 IEEE International Solid-State Circuits Conference, Digest of Technical Papers, pp. 192, 193.

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