Resistor Geometry Comparison With Respect to Current Noise and TrimSensitivity | Zendy

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Resistor Geometry Comparison With Respect to Current Noise and TrimSensitivity

Author(s) -

W. Ulbrich

Publication year - 1977

Publication title -

active and passive electronic components

Language(s) - English

Resource type - Journals

eISSN - 1026-7034

pISSN - 0882-7516

DOI - 10.1155/apec.4.63

Subject(s) - trim , resistor , sensitivity (control systems) , current (fluid) , noise (video) , geometry , mathematics , computer science , electrical engineering , engineering , electronic engineering , voltage , structural engineering , artificial intelligence , image (mathematics)

The paper deals with laser trimming of film resistors. The finite-difference solution of the electric field calculated by a digital computer gives the total resistance and the inhomogeneous current distribution within the resistor area. The current noise voltage was found to be proportional to the sum of reciprocal subareas wherein the current density is approximately constant. Resistor trimming is modelled by finite increments of cut length to obtain the resistance trim rate and the trim sensitivity.

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