Precision current-source arrangement

Details Precision current-source arrangement Precision current-source arrangement

1975-04-16

1976-09-21

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

323 4, G05F 156

Patent

active

039821722

ABSTRACT:
A precision current source arrangement with a multiple current source which supplies a number of currents which are identical in a first approximation. These currents are each individually applied to one of the input terminals of a coupling circuit which has an equal number of input and output terminals. By means of a periodic control signal this coupling circuit realizes such a connection pattern between the input and output terminals in a cyclically permuting fashion, that each of the output terminals is coupled to each of the input terminals within a constant cycle time during identical time intervals. By subjecting the currents which appear at these output terminals to a low-pass filter action a number of very accurately identical currents are obtained.

REFERENCES:
patent: 3689752 (1972-09-01), Gilbert
patent: 3805093 (1974-04-01), Hodemaekers
patent: 3812434 (1974-05-01), Lommers et al.
patent: 3848195 (1974-11-01), Kiko
patent: 3891937 (1975-06-01), Bockelmann et al.

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