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RU2016113942A - RADIO RECEIVER WITH KEY CONTROL OF AMPLITUDE OF WASHING-OUT SIGNAL - Google Patents

RADIO RECEIVER WITH KEY CONTROL OF AMPLITUDE OF WASHING-OUT SIGNAL Download PDF

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Publication number
RU2016113942A
RU2016113942A RU2016113942A RU2016113942A RU2016113942A RU 2016113942 A RU2016113942 A RU 2016113942A RU 2016113942 A RU2016113942 A RU 2016113942A RU 2016113942 A RU2016113942 A RU 2016113942A RU 2016113942 A RU2016113942 A RU 2016113942A
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RU
Russia
Prior art keywords
output
adc
input
amplitude
signal
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RU2016113942A
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Russian (ru)
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RU2660660C2 (en
Inventor
Владимир Александрович Маковий
Сергей Александрович Ермаков
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Акционерное общество "Концерн "Созвездие"
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Lock And Its Accessories (AREA)

Claims (5)

Радиоприемное устройство с ключевым управлением амплитудой размывающего сигнала, содержащее последовательно соединенные блок входных цепей и преселектора, сумматор, аналого-цифровой преобразователь (АЦП), цифровой приемный тракт и демодулятор, выход которого является информационным выходом устройства; последовательно соединенные формирователь размывающего сигнала и ключ, выход которого соединен со вторым входом сумматора; источник частоты дискретизации, содержащий N опорных генераторов, выходы которых соединены с соответствующими входами коммутатора, выход которого является выходом источника частоты дискретизации и соединен с тактовым входом АЦП, отличающееся тем, что в него дополнительно введены последовательно соединенные вычислитель амплитуды принимаемого сигнала, вход которого соединен с выходом АЦП, и цифровой компаратор с пороговым значением П2, выход которого подсоединен к первому входу ключа, при этом, пороговое значение П2 определяется по формуле:A radio receiver with key control of the amplitude of the erosion signal, comprising a series-connected block of input circuits and a preselector, an adder, an analog-to-digital converter (ADC), a digital receiving path and a demodulator, the output of which is the information output of the device; serially connected driver of the erosion signal and a key, the output of which is connected to the second input of the adder; a sampling frequency source containing N reference generators, the outputs of which are connected to the corresponding inputs of the switch, the output of which is the output of the sampling frequency source and connected to the ADC clock input, characterized in that it is additionally connected to the received signal amplitude calculator, the input of which is connected to ADC output, and a digital comparator with a threshold value P2, the output of which is connected to the first input of the key, while the threshold value P2 is determined by the form ole:
Figure 00000001
Figure 00000001
 где FS - мгновенное значение цифрового сигнала, соответствующее максимальному входному мгновенному напряжению, не вызывающему ограничения АЦП;where FS is the instantaneous value of the digital signal corresponding to the maximum input instantaneous voltage that does not cause ADC limitation; Ad - амплитуда размывающего сигнала, В;A d is the amplitude of the erosion signal, V; KADC - коэффициент преобразования АЦП, устанавливающий соответствие между входным напряжением АЦП и его выходным кодом,
Figure 00000002
.K ADC - ADC conversion coefficient, establishing a correspondence between the input voltage of the ADC and its output code,
Figure 00000002
.
RU2016113942A 2016-04-11 2016-04-11 Radio receiving device with the dither signal amplitude switch control RU2660660C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2016113942A RU2660660C2 (en) 2016-04-11 2016-04-11 Radio receiving device with the dither signal amplitude switch control

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Application Number Priority Date Filing Date Title
RU2016113942A RU2660660C2 (en) 2016-04-11 2016-04-11 Radio receiving device with the dither signal amplitude switch control

Publications (2)

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RU2016113942A true RU2016113942A (en) 2017-10-16
RU2660660C2 RU2660660C2 (en) 2018-07-09

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2691731C1 (en) * 2018-07-23 2019-06-18 Акционерное общество "Концерн "Созвездие" Wideband signal receiving device
RU2768249C1 (en) * 2021-04-26 2022-03-23 Акционерное общество "Концерн "Созвездие" Broadband signal receiving unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1446690A1 (en) * 1986-10-14 1988-12-23 Предприятие П/Я В-8719 Device for automatic controlling of receiver amplification
US6268814B1 (en) * 2000-03-14 2001-07-31 Lucent Technologies Inc. Carrier-dependent dithering for analog-to-digital conversion
GB2506458B (en) * 2013-01-15 2015-01-14 Imagination Tech Ltd Method and circuit for controlling an automatic gain control circuit
RU2548658C1 (en) * 2013-10-03 2015-04-20 Акционерное общество "Концерн "Созвездие" Radio receiving device with switch control of dither signal amplitude

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