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op

op放大器應用技巧100例

很經典的一本書值得收藏

標簽： 100 op放大器應用技巧

上傳時間： 2013-11-25

上傳用戶：lz4v4
op放大電路設計

放大器學習資料

標簽： 放大電路設計

上傳時間： 2013-10-19

上傳用戶：幾何公差
op放大器應用技巧100例

該資料僅供于學習，勿用于商業

標簽： 100 op放大器應用技巧

上傳時間： 2013-11-15

上傳用戶：894448095
op放大器應用技巧100例

真正寫給工程師的教材

標簽： 100 op放大器應用技巧

上傳時間： 2013-10-22

上傳用戶：
意法半導體運放穩定性

Who has never experienced oscillations issues when using an operational amplifier? opampsare often used in a simple voltage follower configuration. However, this is not the bestconfiguration in terms of capacitive loading and potential risk of oscillations.Capacitive loads have a big impact on the stability of operational amplifier-basedapplications. Several compensation methods exist to stabilize a standard op-amp. Thisapplication note describes the most common ones, which can be used in most cases.The general theory of each compensation method is explained, and based on this, specific

標簽： 半導體運放穩定性

上傳時間： 2013-10-28

上傳用戶：chenbhdt
小面積和大面積光電二極管的低噪聲放大器

Photodiodes can be broken into two categories: largearea photodiodes with their attendant high capacitance(30pF to 3000pF) and smaller area photodiodes withrelatively low capacitance (10pF or less). For optimalsignal-to-noise performance, a transimpedance amplifi erconsisting of an inverting op amp and a feedback resistoris most commonly used to convert the photodiode currentinto voltage. In low noise amplifi er design, large areaphotodiode amplifi ers require more attention to reducingop amp input voltage noise, while small area photodiodeamplifi ers require more attention to reducing op amp inputcurrent noise and parasitic capacitances.

標簽： 光電二極管低噪聲放大器

上傳時間： 2013-10-28

上傳用戶：hanbeidang
使用LTC運算放大器宏模型

This application note is an overview discussion of theLinear Technology SPICE macromodel library. It assumeslittle if any prior knowledge of this software library or itshistory. However, it does assume familiarity with both theanalog simulation program SPICE (or one of its manyderivatives), and modern day op amps, including bipolar,JFET, and MOSFET amplifier technologies

標簽： LTC 運算放大器模型

上傳時間： 2013-11-14

上傳用戶：zhanditian
獨特的IC BUFFER增強運算放大器設計

This note describes some of the unique IC design techniques incorporated into a fast, monolithic power buffer, the LT1010. Also, some application ideas are described such as capacitive load driving, boosting fast op amp output current and power supply circuits.

標簽： BUFFER 運算放大器設計

上傳時間： 2013-11-12

上傳用戶：671145514
PCB設計經典資料

本文將接續介紹電源與功率電路基板，以及數字電路基板導線設計。寬帶與高頻電路基板導線設計a.輸入阻抗1MHz，平滑性(flatness)50MHz 的op增幅器電路基板圖26 是由FET 輸入的高速op 增幅器opA656 構成的高輸入阻抗op 增幅電路，它的gain取決于R1、R2，本電路圖的電路定數為2 倍。此外為改善平滑性特別追加設置可以加大噪訊gain，抑制gain-頻率特性高頻領域時峰值的R3。圖26 高輸入阻抗的寬帶op增幅電路圖27 是高輸入阻抗op 增幅器的電路基板圖案。降低高速op 增幅器反相輸入端子與接地之間的浮游容量非常重要，所以本電路的浮游容量設計目標低于0.5pF。如果上述部位附著大浮游容量的話，會成為高頻領域的頻率特性產生峰值的原因，嚴重時頻率甚至會因為feedback 阻抗與浮游容量，造成feedback 信號的位相延遲，最后導致頻率特性產生波動現象。此外高輸入阻抗op 增幅器輸入部位的浮游容量也逐漸成為問題，圖27 的電路基板圖案的非反相輸入端子部位無full ground設計，如果有外部噪訊干擾之虞時，接地可設計成網格狀(mesh)。圖28 是根據圖26 制成的op 增幅器Gain－頻率特性測試結果，由圖可知即使接近50MHz頻率特性非常平滑，-3dB cutoff頻率大約是133MHz。

標簽： PCB

上傳時間： 2013-11-13

上傳用戶：hebanlian
零晶體管IC-IC設計一個新高度

Abstract: We can apply a BiCMOS integrated circuit with only resistors and no transistors to solve adifficult design problem. The mythically perfect operational amplifier's gain and temperature coefficient aredependent on external resistor values. Maxim precision resistor arrays are manufactured together on asingle die and then automatically trimmed, to ensure close ratio matching. This guarantees that theoperational amplifier (op amp) gain and temperature coefficient are predictable and reliable, even withlarge production volumes.

標簽： IC-IC 零晶體管

上傳時間： 2014-11-30

上傳用戶：ynzfm