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U2893B

TEMIC Semiconductors
Part Number U2893B
Manufacturer TEMIC Semiconductors
Description Modulation PLL for GSM/ DCS and PCS Systems
Published Apr 16, 2005
Detailed Description U2893B Modulation PLL for GSM, DCS and PCS Systems Description The U2893B is a monolithic integrated circuit. It is real...
Datasheet PDF File U2893B PDF File

U2893B
U2893B

Overview
U2893B Modulation PLL for GSM, DCS and PCS Systems Description The U2893B is a monolithic integrated circuit.
It is realized using TEMIC’s advanced silicon bipolar UHF5S technology.
The device integrates a mixer, an I/Q modulator, a phase-frequency detector (PFD) with two synchronous-programmable dividers, and a charge pump.
The U2893B is designed for cellular phones such as GSM, DCS1800, and PCS1900, applying a transmitter-architecture where the VCO is operated at the TX output frequency.
U2893B exhibits low power consumption, and the powerdown function extends battery life.
The IC is available in a shrinked small-outline 28–pin package (SSO28).
Features D Supply voltage down to 2.
7 V D Cu...


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