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535 Communication ICs IF detector IC for 900MHz spread spectrum cordless phones BH4127FV The BH4127FV is a mixer, IF amplifier, and FM detector IC developed for use with 900MHz spread spectrum cordless phones Applications 900MHz spread spectrum cordless phones Features 1) Built-in mixer circuit, IF circuit, RSSI circuit, and FM detector circuit. 2) Operates at mixer input frequencies ranging from 20 to 300 MHz. 3) Equipped with a battery save function. 4) FM detector circuit demodulates up to ±750kHzdev. 5) FM detector circuit demodulates up to 2.6Mbps. Absolute maximum ratings (Ta = 25C, with the measurement circuit) Recommended operating conditions