• AD831: How don't supply the power to internal amp.

    I'm going to use this mixer w/o internal amp. Is there any way don't supply the power to internal amp. (to reduce the quiescent current)? What is the difference between pin no. 1 and 12 ? Are these pins supply different internal circuits?

    Br, …

  • AD831前的高通滤波网络做什么用?

    AD831前的高通滤波网络是做什么用的?为什么我不使用的时候输出反而更好?滤波网络的参数怎么确定?

  • AD831射频输入端的 阻抗匹配问题

    请问 C1  C2  L1  Rr   Cc  这些元器件 是怎么设计参数的呢 ?

  • 有关AD831的问题,忘ADI工程师赐教

    最近在做混频器,用的是AD831,专门先测试了一下性能,有几个疑惑:

    1、当RF输入频率和LO输入频率不相等的时候(输入频率小于150MHz以内),不管是谁大谁小,单端输出的都是他们频率差的绝对值。但是有时候当频率相差太大就不对了,差值大于某个频率(80MHz左右把,这个不是很固定,有时候频率很低也不对)就不是他们的差了,输出的是两者频率最大的那个,有时候又出现输出频率不停跳变不稳定的现象。

    2、当RF输入频率和LO输入频率相等的时候,单端输出的频率是两者频率的和,但是输出超不过80MHz,这个是否可以认为AD831有上混频的功能…

  • ad831 最低的工作频率LO,RF,IF是多少?能否本振100Hz?RF:20-200MHz

    我想用AD831做一个乘法,本振100HZ,rf是外面天线收到的信号(20MHz-200MHz)电平是变化的。用AD831能否实现?

  • 想问一下像AD831,ADL5391这种高频率的芯片没有仿真软件可以验证吗,并且他们的S参数文件又该以什么软件打开查看呢

    想问一下像AD831,ADL5391这种高频率的芯片没有仿真软件可以验证吗,并且他们的S参数文件又该以什么软件打开查看呢?解惑一下谢谢

  • RE: MCU controlled wideband local oscillator

    thanks for that.

    is there source code for the sweep function? i want to program it into the mcu.

    and may i just ask you something about the ad831... since my separate post on it isn't getting any response:

    the RF input network shown on figure…

  • How to determine your local oscillator

    Hello there,

    I am using the frequency mixer AD831 for my graduation project, where I am building a receiver. I've just been stuck on one part for the last 2 weeks, namely the Local Oscillator for this particular mixer. My signal is at 150MHz, and i would…

  • Broadband demodulation

    Hi,

    I currently use the AD8333 demodulator, which goes up to 50MHz but I would need to demodulate signals ranging from 10-20MHz up to 100MHz or even 150MHz.

    Do you have a device that I can use for that purpose or could I use a combination of several…

  • Recommended down convert mixer for low RF frequency input, from RF 400kHz~100MHz to IF 100kHz ?

    Hi all,

    Our customer will develop the low frequency down converter.

    RF input : 400kHz~100MHz

    IF output : 100kHz

    Q1:

    For example, can AD831 and AD8343 be used for applications in such a low frequency range?
    The input range is from 0Hz.

    Q2:

    For example, can…