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TRF2056 - LOW-VOLTAGE 1.2-GHz FRACTIONAL-N/INTEGER-N SYNTHESIZER

Description

The TRF2056 device 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 achieve rapid channel switching.

Features

  • including fractional accumulator modulos from 1 to 16 (compared to only 5 or 8 for the SA7025 synthesizer). The TRF2056 device provides external loop filters and 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 intermediate frequency (IF) channels. The current-output charge pumps directly drive passive resistance-capacit.

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Datasheet Details

Part number TRF2056
Manufacturer Texas Instruments
File Size 311.34 KB
Description LOW-VOLTAGE 1.2-GHz FRACTIONAL-N/INTEGER-N SYNTHESIZER
Datasheet download datasheet TRF2056 Datasheet

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Full PDF Text Transcription

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TRF2056 LOWĆVOLTAGE 1.2ĆGHz FRACTIONALĆN/INTEGERĆN SYNTHESIZER D 1.2-GHz Operation D Two Operating Modes: – Philips SA7025 Emulation Mode Terminal-for-Terminal 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 Low-Power Consumption CLOCK DATA STROBE VSS RFIN RFIN VCCP REFIN RA AUXIN SLWS111– NOVEMBER 2000 PW PACKAGE (TOP VIEW) 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VDD TSETUP LOCK/TEST RF RN VDDA PHP PHI VSSA PHA description The TRF2056 device is a low-voltage, low-power consumption 1.2-GHz fractional-N/integer-N frequency synthesizer component for wireless applications.
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