• ADRF6701 Query

    I am using AD9854 (I & Q output DDS) with ADRF6701(I & Q input Quadrature Modulator with Integrated VCO) to generate SSBSC output (hopping between 935-960 MHz)

    The PCB is in design stage at the moment and expected to complete sometime soon within…

  • Problem with ADRF6701

    Hi ADI engineer:

      I'm using ADRF6701 in RFID application ,now i intend to use internal VCO generate modulator LO , i found there is a 714MHz frequency output when i only power on ADRF6701 but not start configure the register , when i configure the register…

  • AD9854 Interface with BF537 via Parallel Port.

    Dear All,

    I am planning to use AD9854 to interface it with ADRF6701 to generate RF SSB Output frequency in tune of 800-1000 MHz. Our application requires that the frequency to be changed in quick succession/fast frequency sweep with fix PLL frequency…

  • RE: ADRF6701 Phase Noise

    In your last two plots the noise floor changes depending on your RBW. When you changed span this automatically changed from 200Hz to 2kHz.

    Please try to repeat this measurement with the lowest RBW possible (ideally 1Hz).

  • AD9854-ADRF6701-03 Interface

    Hey Guys,

    You are doing a great work out here.

    However I have a query which I think I'm sure of. But still I am confirming if this can work?

    I have been asked to use AD9854 with ADRF6701-ADRF6703 for this purpose instead of the Up-converter used…

  • ADRF6801 and/or ADRF6701 temperature MUXOUT not active when using external LO?

    Hello!

    I'm using an ADRF6801 demodulator in combination with an ADRF6701 modulator.

    I want to monitor junction temperatures of both chips, so the chips were configured to use the VPTAT temperature proportional voltage output at the MUXOUT pin.

  • ADRF 6701 programming

    Hello,

    I'm using ADRF 6701 in my project. The problem is that my design does not contain USB interface circuitry for programming the chip with control software. Instead of that I'm using microcontroller to programme the chip via SPI, as it's written…

  • RE: 我在使用ADRF6850时,遇到问题.

    您好!

    从您的描述看,应该还是时序有问题。建议您使用示波器测量一下时序信号,并与数据手册中时序图对比检查。目前,我们没有ADRF6850的参考代码,但是有ADRF6601和ADRF6701的,您可以参考其时序,可从下面链接下载。

    http://www.analog.com/zh/content/CIC_index_code_example/fca.html

  • Temperature Drift of IQ Modulator LO Leakage after Calibration at 25 degC

    Question: In the attached plot (labeled Figure 10) from the ADL5375 IQ Modulator Datasheet,  LO Leakage degrades significantly vs. temperature at higher frequencies after compensation at 25 degC. What is going on here?

    Answer:  It is important to understand…

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