Transcription of AD8302 LF 2.7 GHz RF/IF Gain and Phase Detector
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AD8302 LF 2.7 GHz RF/IF Gain and Phase Detector
A LF GHz RF/IF gain and Phase Detector AD8302 . FEATURES FUNCTIONAL BLOCK DIAGRAM. Measures gain /Loss and Phase up to GHz Dual Demodulating Log Amps and Phase Detector AD8302 . Input Range 60 dBm to 0 dBm in a 50 System MFLT. VIDEO OUTPUT A + +. Accurate gain Measurement Scaling (30 mV/dB) VMAG.. Typical Nonlinearity < dB INPA 60dB LOG AMPS. (7 detectors ). Accurate Phase Measurement Scaling (10 mV/Degree) OFSA. Typical Nonlinearity < 1 Degree MSET. Measurement/Controller/Level Comparator Modes Operates from Supply Voltages of V V COMM Phase . Detector . Stable V Reference Voltage Output PSET. Small Signal Envelope Bandwidth from DC to 30 MHz APPLICATIONS OFSB 60dB LOG AMPS . RF/IF PA Linearization INPB (7 detectors ) VPHS. +. Precise RF Power Control VIDEO OUTPUT B PFLT. Remote System Monitoring and Diagnostics Return Loss/VSWR Measurements VPOS BIAS x3 VREF. Log Ratio Function for AC Signals PRODUCT DESCRIPTION The signal inputs are single-ended, allowing them to be matched The AD8302 is a fully integrated system for measuring gain /loss and connected directly to a directional coupler.
The AD8302 includes a phase detector of the multiplier type, but with precise phase balance driven by the fully limited signals appearing at the outputs of the two logarithmic amplifiers. Thus, the phase accuracy measurement is independent of signal level over a wide range. The phase and gain output voltages are simultaneously available
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