Measuring installation for frequency analysis of signal levels w

Details Measuring installation for frequency analysis of signal levels w Measuring installation for frequency analysis of signal levels w

1978-12-19

1980-11-04

Tokar, Michael J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

324 77E, G01R 2316

Patent

active

042322634

ABSTRACT:
The invention relates to a measuring installation for a frequency analysis of signal levels within a large volume range which is to be extremely fast. The measuring installation has an intermediate frequency amplifier arrangement with two and more selective amplifiers (SV1, SV2, SC3) which are equipped in each case with an automatic amplification regulation. The loop is broad band and contains a controllable attenuator (PR1, PR2, PR3) and a variable-gain amplifier (RV1, RV2, RV3). The band width of the selective amplifiers connected in series is reduced step-by-step in the direction of the signal flow. The regulating variables of the variable-gain amplifiers are summed in an adder (Ad) and supplied to a signal level evaluation and display installation (AA).

REFERENCES:
patent: 3418574 (1968-12-01), Wyckoff
patent: 3470468 (1969-09-01), Halpern
patent: 3971927 (1976-07-01), Speiser et al.
patent: 4005417 (1977-01-01), Collins

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