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BH4138FV

Rohm
Part Number BH4138FV
Manufacturer Rohm
Description 2nd mixer and IF amplifier
Published Mar 23, 2005
Detailed Description Communication ICs 2nd mixer and IF amplifier IC for digital cellular BH4138FV The BH4138FV is an IC developed for use w...
Datasheet PDF File BH4138FV PDF File

BH4138FV
BH4138FV

Overview
Communication ICs 2nd mixer and IF amplifier IC for digital cellular BH4138FV The BH4138FV is an IC developed for use with digital cellular phones.
This IC contains a 2nd mixer and IF amplifier.
FApplications Digital cellular phones FFeatures 1) Mixer circuit, IF amplifier, and RSSI circuit are builtin.
2) Mixer input frequency response 10MHz to 200MHz.
3) The recommended IF amplifier frequencies are 450kHz and 455kHz.
FAbsolute maximum ratings (Ta = 25_C) 4) 5) 6) 7) High gain IF amplifier (100dB).
Battery saving function.
Buffer amplifier for RSSI.
Low voltage operation (2.
3V to 5.
5V).
FRecommended operating conditions (Ta = 25_C) 664 Communication ICs FBlock diagram BH4138FV 665 ...


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