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83 Communication ICs Second Mixer IF for digital cellular phones BH4128FV The BH4128FV is an IC equipped with internal second mixer and IF amplifier circuits, developed for use with digital cellu- lar phones. Applications Digital cellular phones Features 1) Equipped with internal mixer, IF, and RSSI circuits. 2) Can be operated at mixer input frequencies ranging from 10MHz to 200MHz. 3) IF amplifier gain is 100 dB. 4) Equipped with a battery power saving function. Absolute maximum ratings (Ta = 25 C, for measurement circuit) Recommended operating conditions (Ta = 25 C, for measurement circuit)
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