RU2013128160A - METHOD OF FREQUENCY CONVERSION AND CONVERTER FOR ITS IMPLEMENTATION - Google Patents
METHOD OF FREQUENCY CONVERSION AND CONVERTER FOR ITS IMPLEMENTATION Download PDFInfo
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- RU2013128160A RU2013128160A RU2013128160/08A RU2013128160A RU2013128160A RU 2013128160 A RU2013128160 A RU 2013128160A RU 2013128160/08 A RU2013128160/08 A RU 2013128160/08A RU 2013128160 A RU2013128160 A RU 2013128160A RU 2013128160 A RU2013128160 A RU 2013128160A
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- input
- frequency
- local oscillator
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- low
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- Superheterodyne Receivers (AREA)
Abstract
1. Способ преобразования частоты, заключающийся в том, что входной сигнал смешивают с напряжением встроенного гетеродина, отличающийся тем, что фильтруют напряжение низкой частоты и используют его в качестве продетектированного напряжения, причем частоту Wгетеродина выбирают равной частоте Wпринимаемого сигнала W=Wи поддерживают указанное равенство путем фазовой автоматической подстройки частоты Wгетеродина.2. Преобразователь частоты, содержащий последовательно включенные гетеродин и смеситель, второй вход которого является входом преобразователя частоты, отличающийся тем, что он снабжен фильтром нижних частот, премножителем, фазовращателем на 90° и фазовым детектором, причем к выходу смесителя последовательно подключены фильтр нижних частот, перемножитель, второй вход которого соединен с входом преобразователя частоты, и фазовый детектор, второй вход которого через фазовращатель на 90° соединен со вторым выходом гетеродина, а выход подключен к входу гетеродина, выход фильтра нижних частот является выходом преобразователя частоты.1. The method of frequency conversion, which consists in the fact that the input signal is mixed with the voltage of the built-in local oscillator, characterized in that the low-frequency voltage is filtered and used as a detected voltage, the frequency of the local oscillator being chosen equal to the frequency W of the received signal W = W and maintain this equality by phase automatic tuning of the frequency of the local oscillator. 2. A frequency converter containing a series-oscillator and a mixer, the second input of which is an input of a frequency converter, characterized in that it is equipped with a low-pass filter, a multiplier, a 90 ° phase shifter and a phase detector, and a low-pass filter, a multiplier are connected in series to the mixer output, the second input of which is connected to the input of the frequency converter, and a phase detector, the second input of which is connected through the phase shifter 90 ° to the second output of the local oscillator, and the output is connected n to the input of the local oscillator, the output of the lowpass filter is the output of the frequency converter.
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RU2013128160/08A RU2552180C2 (en) | 2013-06-19 | 2013-06-19 | Frequency conversion method and converter for its implementation |
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RU2013128160/08A RU2552180C2 (en) | 2013-06-19 | 2013-06-19 | Frequency conversion method and converter for its implementation |
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RU2013128160A true RU2013128160A (en) | 2014-12-27 |
RU2552180C2 RU2552180C2 (en) | 2015-06-10 |
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RU2013128160/08A RU2552180C2 (en) | 2013-06-19 | 2013-06-19 | Frequency conversion method and converter for its implementation |
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RU (1) | RU2552180C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2616572C1 (en) * | 2016-03-09 | 2017-04-17 | Федеральное государственное казенное военное образовательное учреждение высшего образования "Военно-космическая академия имени А.Ф. Можайского" Министерства обороны Российской Федерации | Frequency converter using image channel |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2670062B1 (en) * | 1990-11-30 | 1993-11-12 | Thomson Csf | METHOD FOR RECALARING THE LOCAL OSCILLATORS OF A RECEIVER AND DEVICE FOR CARRYING OUT THE METHOD. |
RU2085036C1 (en) * | 1993-03-22 | 1997-07-20 | Воронежский научно-исследовательский институт связи | Phase-modulated signal receiver |
RU2176128C2 (en) * | 2000-02-04 | 2001-11-20 | Военный инженерно-космический университет им. А.Ф. Можайского | Frequency changer |
RU2336626C2 (en) * | 2001-01-12 | 2008-10-20 | Квэлкомм Инкорпорейтед | Method of heterodyne signal penetration control in direct conversion methods |
RU2423784C2 (en) * | 2009-01-11 | 2011-07-10 | Общество с ограниченной ответственностью Научно-производственная фирма "Радиокомпоненты" | Frequency synthesiser |
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2013
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RU2552180C2 (en) | 2015-06-10 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20150718 |