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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 14. Отображено 14.
06-04-2011 дата публикации

Time-domain comparator applying maladjustment correction technology

Номер: CN0102006070A
Автор: Ren Junyan, Gu Weiru, Wang Zhenyu, Wang Mingshuo, Ye Fan, Xu Jun, Li Ning
Принадлежит:

The invention belongs to the technical field of integrated circuits and relates to a time-domain comparator applying maladjustment correction technology. The time-domain comparator comprises a voltage and current conversion circuit, a logic circuit, a maladjustment correction circuit and a judgment circuit. The comparator converts a compared voltage signal into the pulse width of a time domain, uses the width of the pulse in the time-domain as the measurement of signal magnitude and has the advantages of simple structure and lower power consumption; meanwhile, the maladjustment correction method provided by the invention can effectively restrain the maladjustment of the comparator, so that the comparator is insensitive to temperature change and process deviation. The method can be widely applied to various analog-to-digital converters.

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Номер записи: 1
30-05-2012 дата публикации

High-performance low-power consumption pipeline analogue-to-digital converter

Номер: CN0101980446B
Автор: REN JUNYAN, WANG ZHENYU, WANG MINGSHUO, GU WEIRU, CHEN CHIXIAO, LI NING, XU JUN, YE FAN, JUNYAN REN, ZHENYU WANG, MINGSHUO WANG, WEIRU GU, CHIXIAO CHEN, NING LI, FAN YE
Принадлежит:

The invention belongs to the technical field of integrated circuits, in particular to a high-performance low-power consumption pipeline analogue-to-digital converter. The analogue-to-digital converter consists of an integrated front end, a second-stage pipeline, a third-stage pipeline, a fourth-stage pipeline, a fifth-stage pipeline, a first-stage parallel sub-analogue-to-digital converter and a clock alignment and digital correction circuit, wherein the integrated front end is connected with the second-stage pipeline, the third-stage pipeline, the fourth-stage pipeline, the fifth-stage pipeline and the parallel sub-analogue-to-digital converter in turn; and digital output obtained from each stage generates 12-bit quantitative output totally through the clock alignment and digital correction circuit. The converter can ensure the high performance of an analogue-to-digital converter, and simultaneously reduce the power consumption of the conventional high-speed and high-definition analogue-to-digital ...

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Номер записи: 2
13-06-2012 дата публикации

Time-domain comparator applying maladjustment correction technology

Номер: CN0102006070B
Автор: REN JUNYAN, GU WEIRU, WANG ZHENYU, WANG MINGSHUO, YE FAN, XU JUN, LI NING, JUNYAN REN, WEIRU GU, ZHENYU WANG, MINGSHUO WANG, FAN YE, NING LI
Принадлежит:

The invention belongs to the technical field of integrated circuits and relates to a time-domain comparator applying maladjustment correction technology. The time-domain comparator comprises a voltage and current conversion circuit, a logic circuit, a maladjustment correction circuit and a judgment circuit. The comparator converts a compared voltage signal into the pulse width of a time domain, uses the width of the pulse in the time-domain as the measurement of signal magnitude and has the advantages of simple structure and lower power consumption; meanwhile, the maladjustment correction method provided by the invention can effectively restrain the maladjustment of the comparator, so that the comparator is insensitive to temperature change and process deviation. The method can be widely applied to various analog-to-digital converters.

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Номер записи: 3
23-02-2011 дата публикации

High-performance low-power consumption pipeline analogue-to-digital converter

Номер: CN0101980446A
Автор: JUNYAN REN, ZHENYU WANG, MINGSHUO WANG, WEIRU GU, CHIXIAO CHEN, NING LI, XU JUN, FAN YE, REN JUNYAN, WANG ZHENYU, WANG MINGSHUO, GU WEIRU, CHEN CHIXIAO, LI NING, YE FAN
Принадлежит:

The invention belongs to the technical field of integrated circuits, in particular to a high-performance low-power consumption pipeline analogue-to-digital converter. The analogue-to-digital converter consists of an integrated front end, a second-stage pipeline, a third-stage pipeline, a fourth-stage pipeline, a fifth-stage pipeline, a first-stage parallel sub-analogue-to-digital converter and a clock alignment and digital correction circuit, wherein the integrated front end is connected with the second-stage pipeline, the third-stage pipeline, the fourth-stage pipeline, the fifth-stage pipeline and the parallel sub-analogue-to-digital converter in turn; and digital output obtained from each stage generates 12-bit quantitative output totally through the clock alignment and digital correction circuit. The converter can ensure the high performance of an analogue-to-digital converter, and simultaneously reduce the power consumption of the conventional high-speed and high-definition analogue-to-digital ...

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Номер записи: 4
13-06-2012 дата публикации

Low-voltage and low-consumption folding and interpolating analog/digital (A/D) converter adopting grouping type T/H switch

Номер: CN0102006072B
Автор: REN JUNYAN, WANG MINGSHUO, CHEN CHIXIAO, GU WEIRU, WANG ZHENYU, YE FAN, JUNYAN REN, MINGSHUO WANG, CHIXIAO CHEN, WEIRU GU, ZHENYU WANG, FAN YE
Принадлежит:

The invention belongs to the technical field of integrated circuits, in particular to a low-voltage and low-consumption folding and interpolating analog/digital (A/D) converter adopting a grouping type T/H switch. The folding and interpolating A/D converter comprises a folding unit analog pretreating module or an interpolating analog pretreating module; the grouping type T/H switch is provided with at least two backward stage pre-amplifying circuits processed by each T/H switch. The whole structure of the A/D converter is composed of the grouping T/H circuit, a reference voltage resistor string, a pre-amplifying circuit assay, an N-cascaded fold circuit, an interpolating circuit, a comparator and a coding circuit. The fold A/D converter can improve, track and maintain the high linearity design of the switch, can omit the voltage driver for isolation between the T/H switch and pre-amplifying circuit in the traditional structure, and reduce the power dissipation of the A/D converter.

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Номер записи: 5
11-05-2011 дата публикации

Amplitude-interleaving analog digital composite signal processing circuit

Номер: CN0102055477A
Автор: JUNYAN REN, CHIXIAO CHEN, MINGSHUO WANG, ZHENYU WANG, WEIRU GU, XIAOSHI ZHU, YIWEN ZHANG, BEI YU, FAN YE, XU JUN, NING LI, REN JUNYAN, CHEN CHIXIAO, WANG MINGSHUO, WANG ZHENYU, GU WEIRU, ZHU XIAOSHI, ZHANG YIWEN, YU BEI, YE FAN, LI NING
Принадлежит:

The invention belongs to the technical field of integrated circuits and particularly relates to an amplitude-interleaving analog digital composite signal processing circuit. The circuit at least comprises sampling capacitors and front-end switch arrays, wherein the sampling capacitors are directly proportional to the channel number; and the circuit further comprises a foldable multi-input operational amplifier and an analog signal channel selector judged based on the high-impedance state. The amplitude-interleaving technology realizes the signal storage exceeding the power supply voltage according to the difference charging and discharging principle of the passive device and records the information of partial signals in the form of figures, so that the purpose of simplifying the design index of the operational amplifier is achieved, and the difficult problem of design of the low supply voltage analog circuit in the advanced process is relieved.

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Номер записи: 6
09-05-2012 дата публикации

Successive approximation type analog-to-digital converter of energy-saving capacitor array

Номер: CN0102006075B
Автор: REN JUNYAN, GU WEIRU, WANG MINGSHUO, WANG ZHENYU, YE FAN, XU JUN, LI NING, JUNYAN REN, WEIRU GU, MINGSHUO WANG, ZHENYU WANG, FAN YE, NING LI
Принадлежит:

The invention belongs to the technical field of integrated circuits, in particular to a successive approximation type analog-to-digital converter of an energy-saving capacitor array. The analog-to-digital converter comprises a sampling switch, a track and hold circuit, a comparator, control logic and a capacitor array digital-to-analog converter, wherein the capacitor array digital-to-analog converter adopts a switch mode of the novel capacitor array digital-to-analog converter provided by the invention. By using the mode, the average switch consumption of the capacitor can be reduced.

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Номер записи: 7
21-03-2012 дата публикации

Low-power pipeline analogue-digital converter (ADC)

Номер: CN0102013894B
Автор: REN JUNYAN, WANG ZHENYU, GU WEIRU, WANG MINGSHUO, CHEN CHIXIAO, YE FAN, XU JUN, LI NING, JUNYAN REN, ZHENYU WANG, WEIRU GU, MINGSHUO WANG, CHIXIAO CHEN, FAN YE, NING LI
Принадлежит:

The invention belongs to the technical field of integrated circuit and particularly relates to a low-power pipeline analogue-digital converter (ADC). The ADC comprises a first-level pipeline, a second-level pipeline, a third-level pipeline, a one-level parallel sub-ADC and a clock alignment and digital correction circuit. The first-level pipeline, the second-level pipeline, the third-level pipeline and the parallel sub-ADC are connected in turn; and the digital output obtained at each level is processed by the clock alignment and digital correction circuit, and a total of 10-bit quantized output is generated. Through the invention, the power consumption of the conventional pipeline ADC is remarkably reduced while the high performance of the ADC is guaranteed.

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Номер записи: 8
13-04-2011 дата публикации

Low-power pipeline analogue-digital converter (ADC)

Номер: CN0102013894A
Автор: Chen Chixiao, Gu Weiru, Li Ning, Ren Junyan, Wang Mingshuo, Wang Zhenyu, Xu Jun, Ye Fan
Принадлежит:

The invention belongs to the technical field of integrated circuit and particularly relates to a low-power pipeline analogue-digital converter (ADC). The ADC comprises a first-level pipeline, a second-level pipeline, a third-level pipeline, a one-level parallel sub-ADC and a clock alignment and digital correction circuit. The first-level pipeline, the second-level pipeline, the third-level pipeline and the parallel sub-ADC are connected in turn; and the digital output obtained at each level is processed by the clock alignment and digital correction circuit, and a total of 10-bit quantized output is generated. Through the invention, the power consumption of the conventional pipeline ADC is remarkably reduced while the high performance of the ADC is guaranteed.

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Номер записи: 9
23-02-2011 дата публикации

High SFDR folding interpolation analog-to-digital converter

Номер: CN0101980447A
Автор: JUNYAN REN, MINGSHUO WANG, ZHENYU WANG, WEIRU GU, CHIXIAO CHEN, FAN YE, REN JUNYAN, WANG MINGSHUO, WANG ZHENYU, GU WEIRU, CHEN CHIXIAO, YE FAN
Принадлежит:

The invention provides a high SFDR (spurious free dynamic range) folding interpolation analog-to-digital converter structure adopting cascade folding interpolator inter-stage switch 'pseudo random disorder sequence'. The folding interpolation analog-to-digital converter comprises a folding unit analog preprocessing module or an interpolation analog preprocessing module; the cascade folding interpolator inter-stage switch 'pseudo random disorder sequence' is a logic sequence for pseudo-randomly selecting a folding interpolation signal path for analog signals in a preprocessing process, and a folding interpolation circuit of each stage comprises two groups of switch logics, namely a positive disorder sequence switch logic and a corresponding negative disorder sequence removal switch logic. Moreover, the switch disorder sequence logics are divided into intra-stage disorder sequence logic and inter-stage disorder sequence combined logic. The intra-stage and inter-stage switch disorder sequence ...

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Номер записи: 10
06-04-2011 дата публикации

Low-voltage and low-consumption folding and interpolating analog/digital (A/D) converter adopting grouping type T/H switch

Номер: CN0102006072A
Автор: Ren Junyan, Wang Mingshuo, Chen Chixiao, Gu Weiru, Wang Zhenyu, Ye Fan
Принадлежит:

The invention belongs to the technical field of integrated circuits, in particular to a low-voltage and low-consumption folding and interpolating analog/digital (A/D) converter adopting a grouping type T/H switch. The folding and interpolating A/D converter comprises a folding unit analog pretreating module or an interpolating analog pretreating module; the grouping type T/H switch is provided with at least two backward stage pre-amplifying circuits processed by each T/H switch. The whole structure of the A/D converter is composed of the grouping T/H circuit, a reference voltage resistor string, a pre-amplifying circuit assay, an N-cascaded fold circuit, an interpolating circuit, a comparator and a coding circuit. The fold A/D converter can improve, track and maintain the high linearity design of the switch, can omit the voltage driver for isolation between the T/H switch and pre-amplifying circuit in the traditional structure, and reduce the power dissipation of the A/D converter.

Подробнее
Номер записи: 11
21-03-2012 дата публикации

Amplitude-interleaving analog digital composite signal processing circuit

Номер: CN0102055477B
Автор: REN JUNYAN, CHEN CHIXIAO, WANG MINGSHUO, WANG ZHENYU, GU WEIRU, ZHU XIAOSHI, ZHANG YIWEN, YU BEI, YE FAN, XU JUN, LI NING, JUNYAN REN, CHIXIAO CHEN, MINGSHUO WANG, ZHENYU WANG, WEIRU GU, XIAOSHI ZHU, YIWEN ZHANG, BEI YU, FAN YE, NING LI
Принадлежит:

The invention belongs to the technical field of integrated circuits and particularly relates to an amplitude-interleaving analog digital composite signal processing circuit. The circuit at least comprises sampling capacitors and front-end switch arrays, wherein the sampling capacitors are directly proportional to the channel number; and the circuit further comprises a foldable multi-input operational amplifier and an analog signal channel selector judged based on the high-impedance state. The amplitude-interleaving technology realizes the signal storage exceeding the power supply voltage according to the difference charging and discharging principle of the passive device and records the information of partial signals in the form of figures, so that the purpose of simplifying the design index of the operational amplifier is achieved, and the difficult problem of design of the low supply voltage analog circuit in the advanced process is relieved.

Подробнее
Номер записи: 12
18-04-2023 дата публикации

High-linearity sigma-delta modulator

Номер: CN115987289A
Автор: GU WEIRU
Принадлежит:

The invention discloses a high-linearity sigma-delta modulator. The high-linearity sigma-delta modulator comprises an integrator, a summator, a multi-bit quantizer and a feedback DAC (Digital-to-Analog Converter), the adder is connected in series with the integrator, the multi-bit quantizer and the feedback DAC; the adder comprises two stages, the first stage is an active adder, the second stage is a passive amplifier, and the output end of the active adder is electrically connected with the input end of the passive amplifier. According to the invention, a two-stage adder structure is adopted, the active adder only provides 1/2 of the original gain, passive twice amplification is carried out by introducing a passive amplification charge pump behind the active adder, and the output range of an operational amplifier in the adder is reduced while the total gain is not changed, so that the linearity of the modulator is improved, and the power consumption of the modulator is reduced. And the ...

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Номер записи: 13
06-04-2011 дата публикации

Successive approximation type analog-to-digital converter of energy-saving capacitor array

Номер: CN0102006075A
Автор: Ren Junyan, Gu Weiru, Wang Mingshuo, Wang Zhenyu, Ye Fan, Xu Jun, Li Ning
Принадлежит:

The invention belongs to the technical field of integrated circuits, in particular to a successive approximation type analog-to-digital converter of an energy-saving capacitor array. The analog-to-digital converter comprises a sampling switch, a track and hold circuit, a comparator, control logic and a capacitor array digital-to-analog converter, wherein the capacitor array digital-to-analog converter adopts a switch mode of the novel capacitor array digital-to-analog converter provided by the invention. By using the mode, the average switch consumption of the capacitor can be reduced.

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Номер записи: 14