什么是電荷藕合器件圖像傳感器CCD ...

什么是圖像傳感器 圖像傳感器是組成數(shù)字?jǐn)z像頭的重要組成部分，根據(jù)元...

CCD圖像傳感器的原理及應(yīng)用--μPD3575D 摘要：μPD3575D是NEC公司生產(chǎn)的一種高靈敏度、低暗電流、1024像元的內(nèi)置采樣保持電路和放大電路的線陣CCD圖像傳感器。文章介紹了μPD3575...

The C-message filter, which simulates the frequency response of the human ear, is a commonly specified test and measurement filter for voice, audio, and telecomunication applications in the U.S. In Europe, a close relative is a psophometri...

摘要：帶外雜散信號(hào)所引起的混疊現(xiàn)象是A/D轉(zhuǎn)換器應(yīng)用中所面臨的關(guān)鍵問(wèn)題，如果沒(méi)有適當(dāng)?shù)臑V波處理，這些信號(hào)會(huì)嚴(yán)重影響數(shù)據(jù)轉(zhuǎn)換系統(tǒng)的性能指標(biāo)。本文主要討論抗混疊濾波的...

Abstract: In portable communications low-dropout linear regulators (LDOs) are used to generate supply voltages for the RF circuitry; these voltages must be especially clean when powering the synthesizer and voltage-controlled oscillator (V...

Abstract: Audio application note describes a simple, compact scheme that provides a low noise, low ripple power source for use in audio amplifiers, microphones, headphone amplifiers, CODECs and other audio circuits. ...

Abstract: The following article describes how to slow down and store high-speed data of a typical flash data converter such as the MAX101A. This note also provides helpful guidance for PCB layout, timing information and a simple test circu...

Abstract: One of the most useful techniques for evaluating the dynamic performance of fast and ultra-fast data converters is coherent sampling. This technique increases the spectral resolution of a Fast Fourier Transform (FFT) and eliminat...

Abstract: This paper discusses the successful implementation of two reference circuits tailored to the space-saving needs of ultrasound imaging applications, which commonly encounter the demand for one reference source to power multiple an...

摘要：本應(yīng)用筆記比較了集成RF混頻器與無(wú)源混頻器方案的整體性能，論述了兩種方案的主要特征，并指出集成方案相對(duì)于無(wú)源方案的主要優(yōu)點(diǎn)。 過(guò)去，RF研發(fā)人員在高...

摘要：本應(yīng)用筆記描述了變壓器原邊端接和副邊端接的區(qū)別，通常用于前置高速模/數(shù)轉(zhuǎn)換器(ADC)的信號(hào)調(diào)理鏈路。本文詳細(xì)說(shuō)明了在較高中頻(IF)的應(yīng)用中，兩種端接對(duì)高速ADC增益平...

摘要：對(duì)于MAX9209/MAX9222等多通道輸入的LVDS串行/解串器，測(cè)量接收器的延遲裕量以判斷它們的抖動(dòng)容限是一種行之有效的方法。雖然一些文獻(xiàn)給出了接收端的延遲定義，但還沒(méi)有公認(rèn)...

摘要：USB作為低功耗電子產(chǎn)品(大多數(shù)為電池供電產(chǎn)品)的電源提供了越來(lái)越多的應(yīng)用機(jī)會(huì)，無(wú)處不在的USB也為充電器設(shè)計(jì)提供了更多機(jī)會(huì)和更大的挑戰(zhàn)。本文介紹了電池充電器與USB電...

摘要：MAX3420E利用通用的微控制器，簡(jiǎn)化了USB外設(shè)的設(shè)計(jì)。本文在介紹MAX3420E的基礎(chǔ)上，重點(diǎn)討論器件的SPI接口。說(shuō)明器件如何與硬件SPI口或位仿真的通用I/O口進(jìn)行連接，并給出了利...

抗擾性準(zhǔn)測(cè)量標(biāo)準(zhǔn)抗靜電釋放性抗靜電釋放性抗靜電釋放性抗靜電釋放性 （（（（IEC）））） 1000-4-2該測(cè)試的目的主要是驗(yàn)證對(duì)因物體或人或裝置的接近或接觸...

電磁的兼容性 (EMC)的術(shù)語(yǔ) 由于電磁干擾的原因，工作在規(guī)定的電磁環(huán)境安全范圍內(nèi)的電氣和電子的系統(tǒng)、裝置...

Abstract: This application note describes how ESD threatens electronic systems, type of damage inflicted, how ESD is generated, test methods and waveforms used, human body and machine models for testing, IEC compliance levels, contact and ...

Abstract: Technical brief describes construction of a variable-reluctance sensor for detecting low- or medium-speed events. A simple circuit is shown utilizing two channels of an ESD-protected RS-485 transceiver to deliver differential out...

Abstract: Devices and circuits are described for RS-232 interfaces operating from a wide range of power supplies. Systems are described for operation with the traditional triple supply of +5/12/-12V, +5/+12V, +5V only, +3V to +5.5V only, +...