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U2891B Datasheet 2.5 GHz Quadrature Up-Converter

Manufacturer: TEMIC Semiconductors (now Microchip)

General Description

The U2891B is a silicon monolithic IC made with TELEFUNKEN’s advanced UHF process.

The IC consists of a 500 MHz I/Q quadrature modulator and a 2.5 GHz mixer.

Both parts can be connected via an external filter in order to suppress harmonics and spurious products.

Overview

www.DataSheet4U.com TELEFUNKEN Semiconductors U2891B 2.5 GHz Quadrature.

Key Features

  • 3 V operation, a low current consumption and furthermore two separate power-down functions for modulator and mixer. The RF ports are single ended and the device can be operated adjustment free, but for optimization also two pins for phase adjustment are provided. These features and the double conversion concept of U2891B make this device perfectly suited for all digital radio.