• Level Control Loop with AD8314 RF Log Detector

    I am designing an RF level controller with the AD8314 Logarithmic RF Detector, using it's non-inverted output (V_UP, pin 6).

    According to the datasheet, the loop filtering capacitor Cf should be placed between pin 4 (FLTR) and pin 6 (V_UP).

    Maybe…

  • RE: ADL5519 AGC Response Time

    The speed of the op amps really won't be the limiting factor in this type of application. The two dominant factors are: The speed of the log amp and how fast can the VGA which is being controlled switch.( the ADL5519 has a very fast rise time so it won…

  • AD8314: Temperature compensating the AD8314

    Hello, for our exact measurements I need to know the detailed
    temperature drift of the detector AD8314 at 2.5GHz (in our application
    2.3GHz). Can you send me the V_UP vs. Input Amplitude for T=-30
    to  85 centigrade (as shown in Figure6 of…
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  • FAQ: How can I avoid startup transients when operating the AD8318 in Controller Mode?

    Q.

    How can I avoid startup transients when operating the AD8318 in Controller Mode?  I am using the AD8318 Log Detector/Controller to control  the output level in an AGC loop.  The control loop consists of a fixed-gain  RF amplifier, an ADL5330 VGA, a…