TRF2050 Datasheet Low-voltage 1.2-ghz Fractional-n/integer-n Synthesizer

Manufacturer: Texas Instruments

Overview: TRF2050 LOW-VOLTAGE 1.2-GHz FRACTIONAL-N/INTEGER-N SYNTHESIZER D 1.2-GHz Operation D Two Operating Modes: – Philips SA7025 Emulation Mode Pin-for-Pin and Programming Compatible – Extended Performance Mode (EPM) D Dual RF – IF Phase-Locked Loops D Fractional-N or Integer-N Operation D Programmable EPM Fractional Modulus of 1–16 D Normal, Speed-Up, and Fractional Compensation Charge Pumps D 2.9-V to 5.

Datasheet Details

Part number	TRF2050
Manufacturer	Texas Instruments
File Size	544.31 KB
Description	LOW-VOLTAGE 1.2-GHz FRACTIONAL-N/INTEGER-N SYNTHESIZER
Datasheet	TRF2050-etcTI.pdf

General Description

The TRF2050 is a low-voltage, low-power consumption 1.2-GHz fractional-N/integer-N frequency synthesizer component for wireless applications.

Fractional-N division and an integral speed-up charge pump are used to achieve rapid channel switching.

Two operating modes are available: 1) SA7025 emulation mode in which the part emulates the Philips SA7025 fractional-N synthesizer and 2) extended performance mode (EPM), which provides additional

Key Features

including fractional accumulator modulos from 1 to 16 (compared to only 5 or 8 for the SA7025) and programmable control of the speed-up mode duration (compared to the SA7025 method of holding the strobe line high). Along with external loop filters, the TRF2050 provides all functions necessary for voltage-controlled oscillator (VCO) control in a dual phase-locked loop (PLL) frequency synthesizer system. A main channel is provided for radio frequency (RF) channels and an auxiliary channel for inte.

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