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LT5504 - 800MHz to 2.7GHz RF Measuring Receiver

The LT®5504 is an 800MHz to 2700MHz monolithic integrated measuring receiver, capable of detecting a wide dynamic range RF signal from –75dBm to +5dBm. The logarithm of the RF signal is precisely converted into a linear DC voltage. The LT5504 consists of RF/IF limiters, an LO buffer amplifier, a limiting mixer, a 3rd-order 450MHz integrated low pass filter, RF/IF detectors and an output interface. The ultrawide dynamic range is achieved by simultaneously measuring the RF signal and a down-converted IF signal obtained using the on-chip mixer and an external local oscillator. The RF- and IF-detected signals are summed to generate an accurate linear DC voltage proportional to the input RF voltage (or power) in dB. The output is buffered with a low output impedance driver.

特点 RF Frequency Range: 800MHz to 2.7GHz Ultra Wide Dynamic Range: 80dB Over Full Frequency Range and Over Temperature Wide Power Supply Range: 2.7V to 5.25V Low Supply Current: 14.7mA at 3V Shutdown Current: 0.2µA 8-Lead MS0P Package 典型应用

应用 RSSI Measurements Receive AGC Transmit Power Control ASK and Envelope Demodulation GSM/TDMA/CDMA/WCDMA 封装信息

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