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  • AD605: FAQ

    GenevaCooper
    GenevaCooper

    FAQ

    • 6 months ago
    • Amplifiers
    • Documents
  • AD605: Noise vs gain

    GenevaCooper
    GenevaCooper

    Q 

    The noise figure f( Vgn) is given for a 20dB/V scaling  ( cf page 5 of the DS
    ). What  will it be for a 40dB/V  ??

     

    A 

    I don't have any measured results to give you, but the basic idea is that the
    AD605 has roughly constant output noise…
    • 7 months ago
    • Amplifiers
    • Documents
  • AD605 PGA in ultrasonic flow meter

    GenevaCooper
    GenevaCooper

    Q 

    I see quite large input impedance variation specified in the datasheet. Now I
    wonder, is the input impedance varying with the gain? Or is it just varying per
    device and constant over gain? This is important for my design because I need
    to keep…

    • 7 months ago
    • Amplifiers
    • Documents
  • AD604 vs AD605

    GenevaCooper
    GenevaCooper

    Q 

    The main difference between AD 604 and AD 605 is a preamplifier at the input
    for the first one. This amplifier has very low noise : 0.7 nV/square(Hz). I
    would like to find such a good amplifier. Which reference is it?

     

    A 

    The low noise…
    • 7 months ago
    • Amplifiers
    • Documents
  • AD604 / AD605 :  group delay and channel to channel phase variance

    GenevaCooper
    GenevaCooper

    Q 

    Do you have any information as to the variation in phase between the two
    channels of the AD605 as the gain is changed?

     

    A 

    We have no phase information for the AD605, but we do have some group-delay
    bench data for the AD604. The AD604…
    • 7 months ago
    • Amplifiers
    • Documents
  • RE: HMC869 AD605 interface

    EZAdministrator
    EZAdministrator
    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
    …
    • over 3 years ago
    • RF and Microwave
    • Q&A
  • RE: AD605 self excited

    EZAdministrator
    EZAdministrator
    This question has been assumed as answered either offline via email or with a multi-part answer. This question has now been closed out. If you have an inquiry related to this topic please post a new question in the applicable product forum.

    Thank you,
    …
    • over 3 years ago
    • Amplifiers
    • Q&A
  • AD605&AD8332 overshoot

    project
    project

    Hi.Our team is developing new products on ultrasonic testing. We chose AD605 as the receiver VGA chip. However, we met a problem as the picture shows: Ultrasonic pulse would make the receiver overshoot although we have designer protection circuit before…

    • attachments.zip
    • over 4 years ago
    • Amplifiers
    • Q&A
  • Hi.I am designing ultrasonic testing equipment. Take AD605 as the receiver. But when I connect the ultrasound probe(matching with inductor), I find that there are reverberation and almost 5us blind area on oscilloscope.Anyone can help me fix this?

    project
    project

    • over 5 years ago
    • 放大器专区
    • 问答
  • RE: AD605 , AD8331 VGA Low frequency noise

    bslimanea
    bslimanea

    We want to use the ad605 in a tympanometer  project  (medical purposes). Because it’s our first time to use AGC amplifiers, we find hard to make it work properly.
    Indeed, a signal of 226 Hz going to be amplified and applied to a loudspeaker. A microphone…

    • over 9 years ago
    • Amplifiers
    • Q&A
>
 
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