50 MHz To 3.5 GHz, 45 DB RF Log Detector
The AD8312 is a complete low cost subsystem for the measurement of RF signals in the frequency range of 50 MHz to 3.5 GHz. It has a typical dynamic range of 45 dB and is intended for use in a wide variety of cellular handsets and other Wireless devices. It provides a wider dynamic range and better accuracy than possible using Discrete Diode detectors. In particular, its temperature stability is excellent over the full operating range of -40C to +85C.
Its high sensitivity allows measurement at low power levels, thus reducing the amount of power that needs to be coupled to the detector. It is essentially a voltage-responding device, with a typical signal range of 1.25 mV to 224 mV rms or -45 dBm to 0 dBm re 50 .
By Analog Devices, Inc.
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