SPECTRUM ANALYZER

SPECTRUM ANALYZER

FIELD: radio instruments. SUBSTANCE: device is designed as panoramic superheterodyne receiver with four-fold frequency conversion. Input circuit of device has three switched band-pass filters which switching runs simultaneously with switching of squarer which is inserted in reference voltage circuit...

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Hauptverfasser: IVANOVA I.I, BLINOV V.F, LADNYJ V.I, PRILEPSKIJ V.V, MEDVEDEV A.I
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator IVANOVA I.I
BLINOV V.F
LADNYJ V.I
PRILEPSKIJ V.V
MEDVEDEV A.I
description FIELD: radio instruments. SUBSTANCE: device is designed as panoramic superheterodyne receiver with four-fold frequency conversion. Input circuit of device has three switched band-pass filters which switching runs simultaneously with switching of squarer which is inserted in reference voltage circuits of one mixer. Reference input of said mixer receives signal from voltage-controlled oscillator which frequency is squared. This results in possibility of alternation of mixer signal in range of 527-827 MHz. Unit for frequency recalculation is connected to decade unit of digital indication board in order to achieve correct indication in extended range. EFFECT: increased frequency range. 2 dwgn
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title SPECTRUM ANALYZER
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