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儀表放大器
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High performance circuit instrumentation amplifier with high common mode rejection 2022-06-05 518
Two wire control of remote units employing transistor switch 2022-06-08 91
A. c. measuring circuit having an amplifier with feedback path in which a synchronous switch output drives a d. c. meter 2022-06-09 584
Semiconductor diodes used in a ratemeter/integrator circuit 2022-06-10 381
Register control for printing continuous metal strip 2022-06-13 288
Nuclear magnetic resonance detectors 2022-06-14 719
Telephone instrument utilizing transistor amplifier 2022-06-16 792
Meter with logarithmic amplifier 2022-06-17 824
Amplifier circuit using a contact meter 2022-06-18 642
Electronic frequency-tuning mechanism 2022-06-01 53
Instrumentation circuit with d-c amplifier having temperature stabilization 2022-06-04 469
Meter and alarm circuit including switching means for measuring either of two potentials and amplifier triggering means for comparing the two potentials 2022-06-06 868
Meter bridge circuit including signal-biased amplifier for providing d.c. current to grounded load 2022-06-07 297
R. m. s. meter using amplifier with controlled feedback 2022-06-11 865
High efficiency instrument servo amplifier for microminiaturization 2022-06-12 821
Frequency standardized penetrating radiation gauge 2022-05-30 103
Meter vane position sensing controller 2022-05-31 594
Time shared amplifiers 2022-06-02 965
Testing arrangement for electricity meters while in a powerline circuit by application of a regulated load 2022-06-03 601
Circuit tester 2022-06-15 358
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