ADL5511: FAQ

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  • ADL5511 be used for envelope detection in HPA and LPA applications?

    Question Can the ADL5511 be used for envelope detection in HPA and LPA applications? Answer Yes, the ADL5511 has an envelope bandwidth of 130 MHz and a power detection range of 40 dB. This makes it feasible…
  • ADL5511 in an AGC loop application

    Question A customer is using the ADL5511 in an AGC loop application, by applying a sine wave at different power levels using a signal generator and using the Vrms output pin to measure the output.…
  • ADL5511 input S parameters

    Question I want to integrate ADL5511 RF Detector in my application. Do you have any information regarding the input S parameters for the ADL5511? Answer I’ve attached the original s11 (converted from…
  • ADL5511 No Connect (NC) Pins

    Question: In the ADL5511 datasheet, pins 6, 7, 8, 12 and 13 are designated as No Connect. Are these pins really no-connect or can I ground them? Answer: Pins 6, 8, 12 and 13 are not internally wire-bonded…
  • ADL5511 resistor matching and formula 4 query (SR#: 1236843)

    Question wrt to the ADL5511 datasheet, rev.0. page 19. The formula 4 is incorrect? There is a 2 in the numerator. Answer This is being acknowlegde and the 2 in the numerator is incorrect. Should…
  • ADL5511 Response to a Multi-Carrier Signal

    Question: The datasheet shows the part working with a single 20MHz LTE carrier but can our part also function for 2 or even 3 carriers? Has anyone at ADI tested this? Answer: We have not tested the…
  • ADL5511 VRMS and VENV Response Time to VPOS Turn-On

    Q. The datasheet for ADL5511 shows the output response time when the ENBL pin is pulsed. What do the VRMS and VENV response times look like when VPOS is pulsed on and off. A. The attached plots show…
  • building a FSK demodulator

    Question A customer is building a FSK demodulator with the mark & space frequencies being 18KHz & 20KHz respectively. They require an envelope detector for the process, and have chosen the ADL5511…
  • Can you use the ADL5511 with different input carrier frequency signals?

    Question Can you use the ADL5511 with different input carrier frequency signals? Answer Using the ADL5511 with different input frequencies is not a problem. You basically need to configure the device…
  • difference between ADL5502 and ADL5511?

    Question What’s the difference between ADL5502 and ADL5511? Answer For the most part ADL5511 is a higher performing part than ADL5502. It has higher detection range and envelope bandwidth. One nice feature…

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