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  • RE: AD9644 - driving DC-coupled signle ended analong signal

    Qui
    Qui

    Hello Topi,

    1. The open collector output mode implies that the outputs need to be pulled high to supply.  The AD8376 is a 5V device.  Therefore, to answer your question, the output common mode voltage will be 5V in the case where you replace the output…

    • over 8 years ago
    • Amplifiers
    • Q&A
  • FAQ: What are the precautions to prevent latch-up on the AD8375?

    wsapia
    wsapia

    Q.

    What are the precautions to prevent latch-up on the AD8375?

    --------------------------------------------------------------------------------------------

    A.

    The outputs of the AD8376 are open collectors that need to be pulled up to the positive…

    • over 2 years ago
    • RF and Microwave
    • Documents
  • RE: Query about ADL5202 IMD and Harmonics

    ADIApproved
    ADIApproved

    Hello Wayne,

    For the AD8376, the lowest frequency shown in the spec table is at 46 MHz as well.I've also measured HD2, HD3, and IMD3 at 30 MHz. HD2 =  -83 dBc, HD3 =  -103 dBc, and IMD3 = -97 dBc for a 2Vpp composite output voltage. Let me know if…

    • over 6 years ago
    • RF and Microwave
    • Q&A
  • RE: 有奖分享——最爱ADI放大器

    Watzmann
    Watzmann

    AD8376,印象很深。当时是市面上最高的DVGA,1dB stepsize, 差分输入输出,作为中频放大驱动电路非常合适。

    当时应该是基站市场占用率最高的一款芯片。

    • over 6 years ago
    • 论坛社群活动
    • 问答
  • RE: 签个到,送您好礼啦!(获奖名单已公布)

    muxl
    muxl

    上海,浦东新区碧波路889号,从事基站RRU开发和架构设计,关注ADI高速产品例如时钟:AD9549、AD9523、ADC:AD6657、AD6674、DAC:AD9142、AD9154、AD9144、PLL:ADF4351、解调器:ADRF6820、OP:ADL5566、AD8376、调制器:ADL5375、ADL5371、ADL5372等等。

    • over 6 years ago
    • 中文资源库
    • 问答
  • RE: Driving the AD9643 250MSPS

    Zartagal
    Zartagal

    Hello Qui,

    Thank you very much for your answer. The SNR specs are -85dbm in the system. I use a chain with LNA ADL5523, ADL5380 demodulator  and finally the the AD8376 DGA and the AD9643 ADC. The previous stage to the ADC is precisely the DGA, althought…

    • over 9 years ago
    • ADC Drivers
    • Q&A
  • RE: Suitable Driver for AD9681 ADC, ADL5566 or AD8351 or else?

    Sigurd
    Sigurd

    Hi bsam.

    thanks a lot.

    I would like to use the ADL5566 to drive the AD9681 and do SE-Diff conversion. In front of the ADL5566 i have a single ended (SE) bandpass (switched) and I need a max of 60dB gain - of which I would like to have at least some…

    • over 6 years ago
    • High-Speed ADCs
    • Q&A
  • RE: AD 8375 output impedance

    enash
    enash

    This is a structural issue with ADIsimRF.  Or to put it another way, the issue is how to fit the AD8375 into the ADIsimRF environment which expects each component to have real and relativelylow input and output impedances. The AD8375's output is a current…

    • over 8 years ago
    • RF and Microwave
    • Q&A
  • RE: AD8367 VGA with Fast Gain Sweep

    james@iknowsystems.com
    james@iknowsystems.com

    I get the same results after replacing the AD8376, all caps and resistors for the device. It was not a bad chip.

    I have 10nF on DECL and 2.2nF in series with 100 ohms on HPFL.  I also looked at signals on supplies, DECL, HPFL, Gain, INPT, and none of…

    • over 8 years ago
    • RF and Microwave
    • Q&A
  • RE: Differential matching of AD5356 dual mixer on CN-0140

    ADIApproved
    ADIApproved

    Let me speak to each matching circuit (or filter) separately to avoid confusion.

    The circuit between the ADL5356 (mixer) and the AD8376 (VGA) aims to provide impedance match from the mixer to the SAW filter to the VGA.  The ADL5336 has an output impedance…

    • over 9 years ago
    • RF and Microwave
    • Q&A
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