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LT5504

Linear Technology
Part Number LT5504
Manufacturer Linear Technology
Description 800MHz to 2.7GHz RF Measuring Receiver
Published Mar 22, 2005
Detailed Description FEATURES ■ RF Frequency Range: 800MHz to 2.7GHz ■ Ultra Wide Dynamic Range: 75dB at 900MHz ■ Wide Power Supply Range: 2....
Datasheet PDF File LT5504 PDF File

LT5504
LT5504

Overview
FEATURES ■ RF Frequency Range: 800MHz to 2.
7GHz ■ Ultra Wide Dynamic Range: 75dB at 900MHz ■ Wide Power Supply Range: 2.
7V to 5.
25V ■ Low Supply Current: 14.
7mA at 3V ■ 8-Lead MS0P Package U APPLICATIO S ■ RSSI Measurements ■ Receive AGC ■ Transmit Power Control ■ ASK and Envelope Demodulation ■ GSM/TDMA/CDMA/WCDMA TYPICAL APPLICATIO U U LT5504 800MHz to 2.
7GHz RF Measuring Receiver DESCRIPTIO 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 downconverted IF signal obtained using the on-chip mixer and an external local oscillator.
The RF- and IF-detect...


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