Transient-noise simulators

Details Transient-noise simulators Transient-noise simulators

1981-03-13

1983-12-06

Tokar, Michael J.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 32, 324 57R, H03K 386, H03H 500, G01R 2700

Patent

active

044196288

ABSTRACT:
A noise simulator including a reflection absorbing circuit connected between a high-frequency noise pulse generator based on the principle of a charged delay line and a DC capacitor connected to the power line of the equipment under test. The reflection absorbing circuit is composed of a parallel resistor and a series resistor. The resistances of these resistors are determined so that the impedance at the input side of the reflection absorbing circuit in a condition that a predetermined standard impedance connected thereto is equal to the output impedance of the generator and that the impedance at the output side of the reflection absorbing circuit in the condition that the generator is connected thereto is equal to the predetermined standard impedance. A grounded electric conductor plate is movably disposed commonly adjacent to the series resistor and the DC-cut capacitor to adjust the stray capacitance prior to use for noise simulation.

REFERENCES:
patent: 1601023 (1926-09-01), Hoyt
Terman: "Radio Engineers Handbook", McGraw Hill--1943--pp. 215-216.
Tandon: "Noise Simulators . . . "--Electronics--Mar. 7/1966, pp. 117-121.
Oliver and Cage: "Electronic Measurements & Inst", McGraw Hill--1971--pp. 61-64.

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