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jrc-src

  • 時鐘切換電路英文資料.

    With more and more multi-frequency clocks being used in today's chips, especially in the communications field, it is often necessary to switch the source of a clock line while the chip is running.

    標簽: 時鐘切換電路 英文

    上傳時間: 2013-10-10

    上傳用戶:1214209695

  • 基準電壓的溫度漂移研究應用筆記

    Abstract: A perfect voltage reference produces a stable voltage independent of any external factors. Real-world voltagereferences, of course, are subject to errors caused by many external factors. One causeof these major errors istemperature. Without care, it is easy to operate a voltage reference outside its operating temperature range. Thisapplication note describes how references respond to temperature changes, and how self-heating can cause a voltagereference to operate outside its recommended temperature range. Once understood, this knowledge can then be used toavoid making this design error.

    標簽: 基準電壓 溫度漂移 應用筆記

    上傳時間: 2013-11-08

    上傳用戶:xianglee

  • 了解模數轉換器的噪聲、ENOB

    Abstract: Specifications such as noise, effective number of bits (ENOB), effective resolution, and noise-free resolution inlarge part define how accurate an ADC really is. Consequently, understanding the performance metrics related to noise isone of the most difficult aspects of transitioning from a SAR to a delta-sigma ADC. With the current demand for higherresolution, designers must develop a better understanding of ADC noise, ENOB, effective resolution, and signal-to-noiseratio (SNR). This application note helps that understanding.

    標簽: ENOB 模數轉換器

    上傳時間: 2013-10-16

    上傳用戶:x18010875091

  • MAX9930在有線電視中的功能應用

    Abstract: The MAX9930–MAX9933 family of RF controllers and detector can be used in a wide variety of applications. Anideal application is cable television (CATV) over fiber, where either a RF controller or a RF detector controls the gain of atransimpedance amplifier (TIA). This application note shows how the MAX9930 (RF controller) can be used as either theRF controller or detector.

    標簽: 9930 MAX 有線電視

    上傳時間: 2013-10-11

    上傳用戶:Pzj

  • 時鐘抖動和相位噪聲對采樣系統的影響

    如果明智地選擇時鐘,一份簡單的抖動規范幾乎是不夠的。而重要的是,你要知道時鐘噪聲的帶寬和頻譜形狀,才能在采樣過程中適當地將它們考慮進去。很多系統設計師對數據轉換器時鐘的相位噪聲和抖動要求規定得不夠高,幾皮秒的時鐘抖動很快就轉換成信號路徑上的數分貝損耗。

    標簽: 時鐘抖動 相位噪聲 采樣系統

    上傳時間: 2014-12-23

    上傳用戶:dreamboy36

  • 時鐘抖動時域分析(下)

    時鐘抖動時域分析(下):

    標簽: 時鐘抖動 時域分析

    上傳時間: 2013-11-18

    上傳用戶:rocketrevenge

  • 麥克風陣列波束成形

    所有MEMS麥克風都具有全向拾音響應,也就是能夠均等地響應來自四面八方的聲音。多個麥克風可以配置成陣列,形成定向響應或波束場型。經過設計,波束成形麥克風陣列可以對來自一個或多個特定方向的聲音更敏感。麥克風波束成形是一個豐富而復雜的課題。本應用筆記僅討論基本概念和陣列配置,包括寬邊求和陣列和差分端射陣列,內容涵蓋設計考慮、空間和頻率響應以及差分陣列配置的優缺點。

    標簽: 麥克風陣列 波束成形

    上傳時間: 2013-10-17

    上傳用戶:chenlong

  • 高精度I2C實時時鐘的設計

    Abstract: This application note presents an overview of the operational characteristics of accurate I²C real-time clocks (RTCs),including the DS3231, DS3231M, and DS3232. It focuses on general application guidelines that facilitate use of device resources forpower management, I²C communication circuit configurations, and I²C characteristics relative to device power-up sequences andinitializations. Additional discussions on decoupling are provided to support developing strategies for mitigating power-supply pushingof device frequency.

    標簽: I2C 高精度 實時時鐘

    上傳時間: 2013-11-23

    上傳用戶:WMC_geophy

  • 高速電路設計與實現

    通常認為如果數字邏輯電路的頻率達到或者超過45MHZ~50MHZ,而且工作在這個頻率之上的電路已經占到了整個電子系統一定的份量(比如說1/3),就稱為高速電路。

    標簽: 高速電路

    上傳時間: 2014-12-23

    上傳用戶:baby25825

  • BUCK電路的環路計算補償仿真

    本示例從簡單的BUCK電路入手,詳細說明了如何進行電源環路的計算和補償,并通過saber仿真驗證環路補償的合理性。

    標簽: BUCK 電路 環路計算 仿真

    上傳時間: 2013-10-17

    上傳用戶:shen954166632

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