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Leakage

  • Aggressive Leakage Management in ARM Based Systems

    Aggressive Leakage Management in ARM Based Systems

    標(biāo)簽: Aggressive Management Leakage Systems

    上傳時(shí)間: 2013-12-27

    上傳用戶:erkuizhang

  • 基于P87LPC764單片機(jī)的延時(shí)漏電繼電器設(shè)計(jì)

    介紹以P87LPC764型單片機(jī)為核心的延時(shí)型漏電繼電器設(shè)計(jì)方案。該方案可供用戶選擇實(shí)現(xiàn)額定動(dòng)作電流和5倍額定動(dòng)作電流下不同的延時(shí)動(dòng)作時(shí)間,并有重合閘設(shè)定選擇功能。解決了以往傳統(tǒng)分立元件帶來(lái)的延時(shí)時(shí)間離散性大且不易實(shí)現(xiàn)的弊端。 Abstract:  In this paper, the delay Leakage relay based on P87LPC764 is introduced in detail. This system provides different relay times at rating current and 5× rating current for users and also offers superposition brake set selection function. So that it resolves many traditional problems.

    標(biāo)簽: P87 764 LPC 87

    上傳時(shí)間: 2013-11-08

    上傳用戶:zhaiye

  • MAX338/MAX339的英文數(shù)據(jù)手冊(cè)

      本軟件是關(guān)于MAX338, MAX339的英文數(shù)據(jù)手冊(cè):MAX338, MAX339   8通道/雙4通道、低泄漏、CMOS模擬多路復(fù)用器   The MAX338/MAX339 are monolithic, CMOS analog multiplexers (muxes). The 8-channel MAX338 is designed to connect one of eight inputs to a common output by control of a 3-bit binary address. The dual, 4-channel MAX339 is designed to connect one of four inputs to a common output by control of a 2-bit binary address. Both devices can be used as either a mux or a demux. On-resistance is 400Ω max, and the devices conduct current equally well in both directions.   These muxes feature extremely low off Leakages (less than 20pA at +25°C), and extremely low on-channel Leakages (less than 50pA at +25°C). The new design offers guaranteed low charge injection (1.5pC typ) and electrostatic discharge (ESD) protection greater than 2000V, per method 3015.7. These improved muxes are pin-compatible upgrades for the industry-standard DG508A and DG509A. For similar Maxim devices with lower Leakage and charge injection but higher on-resistance, see the MAX328 and MAX329.

    標(biāo)簽: MAX 338 339 英文

    上傳時(shí)間: 2013-11-12

    上傳用戶:18711024007

  • Easy-to-Use, Ultra-Tiny, Differential, 16-Bit Delta Sigma ADC With I2C Interface The LTC2453 is an

    Easy-to-Use, Ultra-Tiny, Differential, 16-Bit Delta Sigma ADC With I2C Interface The LTC2453 is an ultra-tiny, fully differential, 16-bit, analog-to-digital converter. The LTC2453 uses a single 2.7V to 5.5V supply and communicates through an I2C interface. The ADC is available in an 8-pin, 3mm x 2mm DFN package. It includes an integrated oscillator that does not require any external components. It uses a delta-sigma modulator as a converter core and has no latency for multiplexed applications. The LTC2453 includes a proprietary input sampling scheme that reduces the average input sampling current several orders of magnitude lower than conventional delta-sigma converters. Additionally, due to its architecture, there is negligible current Leakage between the input pins.

    標(biāo)簽: Differential Easy-to-Use Ultra-Tiny Interface

    上傳時(shí)間: 2014-01-08

    上傳用戶:鳳臨西北

  • Fast Fourier Transform power point The rectangular window introduces broadening of any frequency co

    Fast Fourier Transform power point The rectangular window introduces broadening of any frequency components [`smearing鈥? and sidelobesthat may overlap with other frequency components [`Leakage鈥?. 鈥he effect improves as Nincreases 鈥owever, the rectangle window has poor properties and better choices of wncan lead to better spectral properties [less Leakage, in particular] 鈥搃.e. instead of just truncating the summation, we can pre-multiply by a suitable window function wnthat has better frequency domain properties. 鈥ore on window design in the filter design section of the course

    標(biāo)簽: rectangular introduces broadening Transform

    上傳時(shí)間: 2017-03-25

    上傳用戶:change0329

  • fft analysis

          Use the fast Fourier transform function fft to analyse following signal. Plot the original signal, and the magnitude of its spectrum linearly and logarithmically. Apply Hamming window to reduce the Leakage.   .   The hamming window can be coded in Matlab as   for n=1:N hamming(n)=0.54+0.46*cos((2*n-N+1)*pi/N); end;   where N is the data length in the FFT.

    標(biāo)簽: matlab fft

    上傳時(shí)間: 2015-11-23

    上傳用戶:石灰?guī)r123

  • 洞穴漏氣計(jì)算

    A coupled thermo-hydro-mechanical model for evaluating air Leakage from an unlined compressed air energy storage cavern

    標(biāo)簽: thermo-hydro-mechanical compressed evaluating air coupled Leakage storage unlined cavern energy

    上傳時(shí)間: 2021-08-13

    上傳用戶:hx09130032

  • 直流電動(dòng)機(jī)測(cè)速裝置

    本系統(tǒng)采用電動(dòng)機(jī)電樞供電回路串接采樣電阻的方式來(lái)實(shí)現(xiàn)對(duì)小型直流有刷電動(dòng)機(jī)的轉(zhuǎn)速測(cè)量。該系統(tǒng)主要由二階低通濾波電路,小信號(hào)放大電路、單片機(jī)測(cè)量顯示電路、開(kāi)關(guān)穩(wěn)壓電源電路等組成。同時(shí)自制電機(jī)測(cè)速裝置,用高頻磁環(huán)作為載體,用線圈繞制磁環(huán),利用電磁感應(yīng)原理檢測(cè)電機(jī)運(yùn)行時(shí)的漏磁,將變化的磁場(chǎng)信號(hào)轉(zhuǎn)化為磁環(huán)上的感應(yīng)電流。用信號(hào)處理單元電路將微弱電信號(hào)轉(zhuǎn)化為脈沖信號(hào),送由單片機(jī)檢測(cè),從而達(dá)到準(zhǔn)確測(cè)量電機(jī)的速度的要求。In this system, the sampling resistance of armature power supply circuit is connected in series to measure the speed of small DC brush motor. The system is mainly composed of second-order low-pass filter circuit, small signal amplifier circuit, single-chip measurement and display circuit, switching regulated power supply circuit and so on. At the same time, the self-made motor speed measuring device uses high frequency magnetic ring as the carrier, coil winding magnetic ring, and electromagnetic induction principle to detect the Leakage of magnetic field during the operation of the motor, which converts the changed magnetic field signal into the induced current on the magnetic ring. The weak electric signal is transformed into pulse signal by signal processing unit circuit, which is sent to single chip computer for detection, so as to meet the requirement of accurate measurement of motor speed.

    標(biāo)簽: 直流電動(dòng)機(jī)

    上傳時(shí)間: 2022-03-26

    上傳用戶:

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