AD8302 Amplitude Phase RF Detector Module IF 2.7GHz Phase Detection Wideband Logarithmic Amplifiers Board for

Sensor BlocksProduct FeaturesThe phase difference between two columns of the same frequency signal is often measured in the electrical instrumentation, the data processing of the detection, and the phase frequency characteristics of the network. The traditional phase measuring instrument has a narrow operating band and a low frequency, and the accuracy is not high. The AD8302 accurately measures the phase difference of two independent signals up to 2.7 GHz and measures the amplitude ratio (gain)/loss of the two columns. It is realized by the principle of logarithmic compression of the logarithmic amplifier through two pairs of well-matched two-band logarithmic detectors. Therefore, it can be used to measure the gain and phase difference of circuits such as amplifiers and mixers, and is particularly suitable for detecting wireles base stations. The internal structure of the AD8302 consists of two precision-matched demodulated wideband log amps, a multiplier-type wideband phase detector, three adders (), a set of output amplifiers, bias circuits, and reference buffers. . The input signal can be either a single-ended signal or a differential signal. Product Parameters Module supply voltage: DC2.7V~5.5V Working environment temperature: -40 ° C ~ 85 ° C AC-coupled input signal dynamic range: -60dB to 0dB in a 50 system with phase ±90° <;0.5dB <;1°, The phase difference is 180° at 30mV, and the phase difference is 0° at 1.8V. Both output small signal envelope bandwidths can 30MHz Two output voltage ranges: 30mV-1.8V output drive current up to 8mA Reference voltage output: 1.8V Working mode: measurement mode, control mode, level comparison mode Instructions For Use The module\'s gain outputs VMAG and MEST, phase difference outputs VPHS and PSET are shorted into measurement mode and operate at the default slope and center point. The phase difference output voltage proportional coefficient is 10mV/°, and the phase difference can be -180° to 0°. The phase difference between the two measured signals is determined to be positive or negative depending on the slope.

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