噪声重要与否，取决于它对目标电路工作的影响程度。 例如，一个开关电源在3 MHz时具有显著的输出电压纹波，如果它为之供电的电路仅有几Hz的带宽，如温度传感器等，则该纹波可能不会产生任何影响。但是，如果该开关电源为RF锁相环(PLL)供电，结果可能大不 ...

分立式和集成式组件是构成各个应用领域的RF信号链的基础功能性构建模块。在本系列文章的 第一部分，我们讨论了用于表征系统的主要特性和性能指标。然而，为了达到期望的性能，RF系统工程师还必须对各类RF器件有充分的了解，RF器件的选择将决定最终应用 ...

断电时为±40V ±36V，采用±15V电源(MAX4631/MAX4633) ±25V，采用±15V电源(MAX4632) 轨到轨信号处理 无需电源时序控制 电源关闭时所有开关断开 在故障条件下，输出箝位至适当的电源电压；无转换毛刺 85Ω（最大值）信号路径，采用±15V电源 ±4.5V至±18V双电源供电 +9V至+36V ...

演示电路DC3082A-C内置LTM4681，该器件是一款宽输入和输出电压范围、高效率和功率密度、具有数字电源系统管理功能的大电流 ...

MAX4638/MAX4639为单通道8:1和双通道4:1 CMOS模拟多路复用器/解复用器。每个多路复用器均采用+1.8V至+5V单电源或±2.5V双电源供电 ...

MAX11190是一款4通道、双路、多路复用、12位、紧凑型高速、低功耗、逐次逼近型模数转换器(ADC)。这款高性能双路ADC包括高动态范围采样保持电路和高速串行接口。该ADC支持0V至基准电压的满量程输入。 该器件具有两个双路单端模拟输入，使用2:1 MUX连接到两个ADC ...

One common method for determining the tilt or inclination of a system is to integrate the output of a gyroscope. Although this method is straightforward, error ...

A source measure unit (SMU) is an instrument that combines a sourcing function and a measurement function on the same pin or connector. It can source voltage or current and simultaneously measure ...

Knowing the frequency response of unbuffered analog-to-digital converters (ADCs) with a switched capacitor front end is an important first step in understanding how to design an interface to these ...

The phenomenon of current noise increasing with frequency is well known to IC design engineers and circuit designers, but it was elusive to many engineers as a result of either too few articles in the ...

Sensitivity, the ratio of the analog output voltage or digital output value to the input pressure, is a key specification of any microphone. Mapping units in the acoustic domain to units in the ...

Serial peripheral interface (SPI) is one of the most widely used interfaces between microcontroller and peripheral ICs such as sensors, ADCs, DACs, shift registers, SRAM, and others. This article ...