Matlab file for calculation parametrs of crystals.
標(biāo)簽： calculation parametrs crystals Matlab
上傳時(shí)間： 2014-12-06
上傳用戶：Pzj
Al salah is prayer time calculation software develop in java use unicode in code for urdu laganuage
標(biāo)簽： calculation laganuage software develop
上傳時(shí)間： 2014-01-23
上傳用戶：xuanjie
Pyramidal Horn design,calculation and results
標(biāo)簽： calculation Pyramidal results design
上傳時(shí)間： 2017-09-15
上傳用戶：qiaoyue
test file for Energy consumption calculation
標(biāo)簽： consumption calculation Energy test
上傳時(shí)間： 2014-01-03
上傳用戶：whenfly
·詳細(xì)說明：DTMF檢測程序。定點(diǎn)計(jì)算，可移植到DSP上。 Usage: dtmf filename -DTMF examination procedure. The fixed point calculation, may transplant to DSP on. Usage: Dtmf filename 文件列表: alaw.cpp alaw.h &nb
上傳時(shí)間： 2013-06-25
上傳用戶：sowhat
The equal-area theorem●This is sinusoidal PWM (SPWM)●The equal-area theorem can be appliedto realize any shape of waveforms ●Natural sampling●calculation based on equal-area criterion●Selected harmonic elimination●Regular sampling●Hysteresis-band control●Triangular wave comparison withfeedback control
上傳時(shí)間： 2013-11-22
上傳用戶：linyao
calculation of the Differential Impedance of Tracks on FR4 substrates There is a discrepancy between calculated and measured values of impedance for differential transmission lineson FR4. This is especially noticeable in the case of surface microstrip configurations. The anomaly is shown tobe due to the nature of the substrate material. This needs to be considered as a layered structure of epoxy resinand glass fibre. calculations, using Boundary Element field methods, show that the distribution of the electricfield within this layered structure determines the apparent dielectric constant and therefore affects theimpedance. Thus FR4 cannot be considered to be uniform dielectric when calculating differential impedance.
上傳時(shí)間： 2014-12-24
上傳用戶：DE2542
|Introduction Basic Concept Tips to layout Power circuit Type of Power circuit Basic Concept Maximum Current calculation Resistance of Copper ideal power supply & noise Capacitor & Inductor Power consumption Function of power circuit
標(biāo)簽： PCB 電源設(shè)計(jì)
上傳時(shí)間： 2014-01-04
上傳用戶：kao21
The MAX9257/MAX9258 programmable serializer/deserializer (SerDes) devices transfer both video data and control signals over the same twisted-pair cable. However, control data can only be transmitted during the vertical blank time, which is indicated by the control-channel-enabled output (CCEN) signal. The electronic control unit (ECU) firmware designer needs to know how quickly to respond to the CCEN signal before it times out and how to calculate this duration. This application note describes how to calculate the duration of the CCEN for the MAX9257/MAX9258 SerDes chipset. The calculation is based on STO timeout, clock frequency, and UART bit timing. The CCEN duration is programmable and can be closed if not in use.
標(biāo)簽： SerDes MAXX 9257 9258
上傳時(shí)間： 2014-01-24
上傳用戶：xingisme
為了使音頻信號分析儀小巧可靠，成本低廉，設(shè)計(jì)了以2片MSP430F1611單片機(jī)為核心的系統(tǒng)。該系統(tǒng)將音頻信號送入八階巴特沃茲低通濾波器，對信號進(jìn)行限幅放大、衰減、電平位移、緩沖，并利用一單片機(jī)負(fù)責(zé)對前級處理后的模擬信號進(jìn)行采樣，將采集得到的音頻信號進(jìn)行4 096點(diǎn)基2的FFT計(jì)算，并對信號加窗函數(shù)提高分辨率，另一單片機(jī)負(fù)責(zé)對信號的分析及控制顯示設(shè)備。此設(shè)計(jì)精確的測量了音頻信號的功率譜、周期性、失真度指標(biāo)，達(dá)到較高的頻率分辨率，并能將測量結(jié)果通過紅外遙控器顯示在液晶屏上。 Abstract: o make the audio signal analyzer cheaper， smaller and more reliable， this system sends the audio signal to the eight-order butterworth filter， and then amplifies， attenuates， buffers it in a limiting range， transfers the voltage level of the signal before utilizing two MSP430F1611 MCU to realize the audio analysis. One is charged for sampling and dealing with the processed audio signal collected by the 4096 point radix-2 FFT calculation and imposes the window function to improve the frequency resolution. The other one controls the display and realizes the spectrum， periodicity， power distortion analysis in high resolution which is displayed in the LCD screen through the infrared remote control.
上傳時(shí)間： 2013-12-11
上傳用戶：jasonheung
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