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  • 基于數(shù)字信號處理的超聲手術(shù)刀電源控制電路設(shè)計(jì)與實(shí)現(xiàn)

    目的:自主研制一款超聲手術(shù)刀電源控制系統(tǒng),以減少能量的消耗,維持手術(shù)刀的正常溫度。方法:對超聲換能器在諧振附近的等效電路建立模型,并設(shè)計(jì)基于數(shù)字信號處理(DSP)的超聲手術(shù)刀的硬件控制系統(tǒng)。結(jié)果:經(jīng)對電源控制系統(tǒng)的電路和工作性能測試,生成的電流和電壓的有效值等參數(shù),能夠及時(shí)調(diào)整電源的頻率,并達(dá)到預(yù)期的功能指標(biāo),使超聲手術(shù)刀工作在諧振狀態(tài)。結(jié)論:以DSP為核心設(shè)計(jì)的超聲手術(shù)刀電源控制系統(tǒng),測試指標(biāo)均能夠達(dá)到預(yù)期的要求,能夠使系統(tǒng)在諧振狀態(tài)下工作。Objective: To independently develop a power control system of ultrasonic scalpel so as to reduce the energy consumption and maintain the normal temperature of ultrasonic scalpel. Methods: In this paper, the model of equivalent circuit of ultrasonic transducer nearby syntony was built up, and the hardware control system of ultrasonic scalpel based on digital signal processing(DSP) was designed. Results: Through testing the circuit and work performance of power control system, the series of parameters such as effective value and so on which were produced by this system could adjust frequency of power source in time and attain anticipative functional indicator, and it took the ultrasonic scalpel to work in syntonic situation. Conclusion: The tested indicators of power control system of ultrasonic scalpel based on the kernel design of DSP can attain anticipative requirement, and can take this system to work in syntonic situation.

    標(biāo)簽: 數(shù)字信號處理 超聲手術(shù)刀 電源控制

    上傳時(shí)間: 2022-04-03

    上傳用戶:bluedrops

  • 一種新的電磁閥節(jié)能驅(qū)動電路

    隨著電磁閥在工業(yè)和日常應(yīng)用的增多,其功耗越來越被人們所重視。通過對電磁閥驅(qū)動電路的研究,設(shè)計(jì)一套電磁閥節(jié)能驅(qū)動電路。不僅提高了電磁閥的響應(yīng)時(shí)間,更重要的是降低了功耗,使電磁閥由工作在大電流狀態(tài)下,變成大電流啟動小電流維持的工作狀態(tài)。減少了由電流過大引起的電磁閥線圈過熱,增加了電磁閥的安全性。The power consumption of an electromagnetic valve is drawing increasingly more attentiori as it is widely used in industrial production and daily life. In this study, an energy - saving driving circuit of electromagnetic valves was designed. It can make an electromagnetic valve to start with a high current while work with a low current; thereby the power consumption can be reduced. Besides, it can shorten the response time of an electromagnetic valve and improve the security of the valve.

    標(biāo)簽: 電磁閥 節(jié)能驅(qū)動電路

    上傳時(shí)間: 2022-04-16

    上傳用戶:

  • 高通藍(lán)牙芯片qcc5127詳細(xì)規(guī)格書datasheet.pdf

    高通藍(lán)牙芯片qcc5127詳細(xì)規(guī)格書datasheet.pdf英文版,共97頁  詳細(xì)說明:1   Package information(pin allocations, pios terminal functions)2   Bluetooth subsystem 3   Cystal oscillator4   System powerstates (Idel,Active,Sleep, Off)5   Host Interface subsystem6   Applications subsystem ( QSPI Flash controller)7   Audio subsystem(Dual core Kalimba, ROM, RAM and caches, Data, engine)8   Audio interfaces ( Analog, Digital, Simultaneous audio routing)9   Peripheral interfaces (PIOs, LED, USB, SPI, UART)10 Boot manager11 System manager12 example application schematic13 Electrical characteristics14 Audio performance15 Bluetooth performance16 Power consumption

    標(biāo)簽: 藍(lán)牙 qcc5127

    上傳時(shí)間: 2022-06-12

    上傳用戶:

  • 時(shí)鐘芯片RX8025T

    RX-8801 SA Features built-in 32.768 kHz DTCXO, High Stability Supports l'C-Bus's high speed mode (400 kHz)Alarm interrupt function for day, date, hour, and minute settings Fixed-cycle timer interrupt function Time update interrupt function32.768 kHz output with OE function Auto correction of leap years Wide interface voltage range: 2.2 V to 5.5 V Wide time-keeping voltage range:1.8 V to 5.5 V Low current consumption: 0.84A/3V (Typ.)is an IC bus interface-compliant real-time clock which includes a 32.768 kHz DTCXO In addition to providing a calendar (year, month, date, day, hour, minute, second) function and a clock counter function, this module provides an abundance of other functions including an alarm function, fixed-cycle timer unction, time update interrupt function, and 32.768 kHz output function.The devices in this module are fabricated via a C-MOS process for low current consumption, which enables ong-term battery back-up.

    標(biāo)簽: 時(shí)鐘芯片 rx8025t

    上傳時(shí)間: 2022-06-17

    上傳用戶:

  • sony CMOS傳感器 IMX385LQR-C DataSheet

    DescriptionThe IMX385LQR-C is a diagonal 8.35 mm (Type 1/2) CMOS active pixel type solid-state image sensor with a squarepixel array and 2.13 M effective pixels. This chip operates with analog 3.3 V, digital 1.2 V, and interface 1.8 V triplepower supply, and has low power consumption. High sensitivity, low dark current and no smear are achieved throughthe adoption of R, G and B primary color mosaic filters. This chip features an electronic shutter with variablecharge-integration time.(Applications: Surveillance cameras)

    標(biāo)簽: CMOS傳感器 IMX385LQR-C

    上傳時(shí)間: 2022-06-18

    上傳用戶:

  • sony CMOS傳感器 IMX178LQJ-C dataSheet

    sony CMOS傳感器datasheet,IMX178LQJ-C_Data_SheetDescriptionThe IMX178LQJ-C is a diagonal 8.92 mm (Type 1/1.8) CMOS active pixel type image sensor with a square pixelarray and 6.44 M effective pixels. This chip operates with analog 2.9 V, digital 1.2 V and interface 1.8 V triple powersupply, and has low power consumption.High sensitivity, low dark current and no smear are achieved through the adoption of R, G and B primary colormosaic filters.This chip features an electronic shutter with variable charge-integration time.(Applications: Surveillance cameras, FA cameras, Industrial cameras)

    標(biāo)簽: CMOS傳感器 IMX178LQJ-C

    上傳時(shí)間: 2022-06-18

    上傳用戶:

  • MPU6050中文資料-數(shù)據(jù)手冊-參數(shù)

    MotioninterfaceTM is becoming a "must-have"function being adopted by smartphone and tablet manufacturers due to the enormous value it adds to the end user experience. In smartphones, it finds use in applications such as gesture commands for applications and phone control, enhanced gaming, augmented reality, panoramic photo capture and viewing, and pedestrian and vehicle navigation. With its ability to precisely and accurately track user motions, MotionTracking technology can convert handsets and tablets into powerful 3D intelligent devices that can be used in applications ranging from health and fitness monitoring to location-based services. Key requirements for Motionlnterface enabled devices are small package size, low power consumption, high accuracy and repeatability, high shock tolerance, and application specific performance programmability-all at a low consumer price point.

    標(biāo)簽: mpu6050

    上傳時(shí)間: 2022-07-06

    上傳用戶:zhaiyawei

  • GD32F103數(shù)據(jù)手冊(英文)

    The GD32F103xx device is a 32-bit general-purpose microcontroller based on the ARM?Cortex?-M3 RISC core with best ratio in terms of processing power, reduced power consumption and peripheral set. The Cortex?-M3 is a next generation processor core whichis tightly coupled with a Nested Vectored Interrupt Controller (NVIC), SysTick timer and advanced debug support.The GD32F103xx device incorporates the ARM ' Cortex?-M3 32-bit processor core operating at 108 MHz frequency with Flash accesses zero wait states to obtain maximumefficiency. It provides up to 3 MB on-chip Flash memory and up to 96 KB SRAM memory. An extensive range of enhanced I/Os and peripherals connected to two APB buses. The devices offer up to three 12-bit ADCs, up to two 12-bit DACs, up to ten general-purpose

    標(biāo)簽: gd32f103

    上傳時(shí)間: 2022-07-23

    上傳用戶:aben

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