RU2015110174A - The method of amplification and demodulation of frequency-modulated signals and device for its implementation - Google Patents
The method of amplification and demodulation of frequency-modulated signals and device for its implementation Download PDFInfo
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- RU2015110174A RU2015110174A RU2015110174A RU2015110174A RU2015110174A RU 2015110174 A RU2015110174 A RU 2015110174A RU 2015110174 A RU2015110174 A RU 2015110174A RU 2015110174 A RU2015110174 A RU 2015110174A RU 2015110174 A RU2015110174 A RU 2015110174A
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- frequency
- terminal
- given
- low
- feedback circuit
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- 230000003321 amplification Effects 0.000 title claims abstract 5
- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract 5
- 238000000034 method Methods 0.000 title claims abstract 3
- 230000009365 direct transmission Effects 0.000 claims abstract 5
- 238000000926 separation method Methods 0.000 claims abstract 5
- 230000003993 interaction Effects 0.000 claims abstract 2
- 238000001228 spectrum Methods 0.000 claims abstract 2
- 239000011159 matrix material Substances 0.000 claims 6
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000014509 gene expression Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such amplifiers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
1. Способ усиления и демодуляции частотно-модулированных сигналов, основанный на использовании энергии источника постоянного напряжения, взаимодействии частотно-модулированного сигнала с устройством, которое выполняют из цепи прямой передачи в виде трехполюсного нелинейного элемента, четырехполюсника, цепи внешней обратной связи, фильтра нижних частот, разделительной емкости и низкочастотной нагрузки, выполнении условий согласования цепи прямой передачи с цепью внешней обратной связи, условий согласования цепи внешней обратной связи с управляющим электродом трехполюсного нелинейного элемента, условий согласования цепи прямой передачи и цепи внешней обратной связи с остальной частью устройства с заданным допуском, преобразовании частотно-модулированного сигнала в амплитудно-частотно-модулированный сигнал на левом склоне амплитудно-частотной характеристики, расщеплении спектра амплитудно-частотно-модулированного сигнала на низкочастотные и высокочастотные составляющие с помощью трехполюсного нелинейного элемента, выделении низкочастотной составляющей с помощью фильтра нижних частот, устранении постоянной составляющей с помощью разделительной емкости и получении на низкочастотной нагрузке низкочастотного сигнала, амплитуда которого изменяется по закону изменения частоты частотно-модулированного сигнала, отличающийся тем, что четырехполюсник выполняют резистивным, в качестве цепи внешней обратной связи используют произвольный комплексный четырехполюсник, параллельно подключенный к трехполюсному нелинейному элементу, трехполюсный нелинейный элемент и цепь обратной связи как1. The method of amplification and demodulation of frequency-modulated signals, based on the use of energy from a constant voltage source, the interaction of the frequency-modulated signal with a device that is performed from a direct transmission circuit in the form of a three-pole nonlinear element, four-terminal, external feedback circuit, low-pass filter, separation capacitance and low-frequency load, meeting the conditions for matching the forward circuit with the external feedback circuit, matching conditions for the external feedback circuit connection with the control electrode of a three-pole nonlinear element, matching conditions for the direct transmission circuit and the external feedback circuit with the rest of the device with a given tolerance, converting the frequency-modulated signal into an amplitude-frequency-modulated signal on the left slope of the amplitude-frequency characteristic, splitting the spectrum of amplitude- frequency-modulated signal to low-frequency and high-frequency components using a three-pole nonlinear element, the selection of the low-frequency component with using a low-pass filter, eliminating the DC component using a separation capacitance, and obtaining a low-frequency signal at a low-frequency load, the amplitude of which changes according to the law of frequency change of the frequency-modulated signal, characterized in that the four-terminal is made resistive, an arbitrary complex four-terminal is used as the external feedback circuit connected in parallel to a three-pole non-linear element, a three-pole non-linear element and a feedback circuit as
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2015110174/08A RU2605675C2 (en) | 2015-03-23 | 2015-03-23 | Method of amplifying and demodulating frequency-modulated signals and device therefor |
Applications Claiming Priority (1)
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RU2015110174/08A RU2605675C2 (en) | 2015-03-23 | 2015-03-23 | Method of amplifying and demodulating frequency-modulated signals and device therefor |
Publications (2)
Publication Number | Publication Date |
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RU2015110174A true RU2015110174A (en) | 2016-10-20 |
RU2605675C2 RU2605675C2 (en) | 2016-12-27 |
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RU2015110174/08A RU2605675C2 (en) | 2015-03-23 | 2015-03-23 | Method of amplifying and demodulating frequency-modulated signals and device therefor |
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Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4A (en) * | 1836-08-10 | Stock | ||
EP1626495B1 (en) * | 2003-05-22 | 2008-01-16 | Japan Science and Technology Agency | Fm signal demodulation method and device thereof |
RU2463689C1 (en) * | 2011-04-13 | 2012-10-10 | Федеральное государственное военное образовательное учреждение высшего профессионального образования "Военный авиационный инженерный университет" (г. Воронеж) Министерства обороны Российской Федерации | Method for frequency modulation and demodulation of high-frequency signals and apparatus for realising said method |
RU2483435C2 (en) * | 2011-04-13 | 2013-05-27 | Федеральное государственное военное образовательное учреждение высшего профессионального образования "Военный авиационный инженерный университет" (г. Воронеж) Министерства обороны Российской Федерации | Method for frequency modulation and demodulation of high-frequency signals and apparatus for realising said method |
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2015
- 2015-03-23 RU RU2015110174/08A patent/RU2605675C2/en not_active IP Right Cessation
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RU2605675C2 (en) | 2016-12-27 |
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