T4260 Datasheet AM/FM Front End IC

Manufacturer: Atmel (now Microchip Technology)

T4260 am/fm front end ic by Atmel (now Microchip Technology) - Datasheet Preview

Datasheet Details

Part number	T4260
Manufacturer	Atmel (now Microchip Technology)
File Size	764.80 KB
Description	AM/FM Front End IC
Download	T4260 Download (PDF)

General Description

The T4260 is an advanced AM/FM receiver with integrated fast PLL as a single-chip solution based on Atmel®’s high-performance BICMOS II technology.

The low-impedance driver at the IF output is designed for the A/D of a digital IF.

The fast tuning concept realized in this part is based on patents held by Atmel and allows lock times less than 1 ms for a jump over the FM band with a step width of 12.5 kHz.

Overview

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Key Features

AM/FM Tuner Front End with Integrated PLL AM Up-conversion System (AM-IF: 10.7 MHz) FM Down-conversion System (FM-IF: 10.7 MHz) IF Frequencies up to 25 MHz Fine-tuning Steps: AM = 1 kHz and FM = 50 kHz/25 kHz/12.5 kHz Fast Fractional PLL (Lock Time < 1 ms) Inclusive Spurious Compensation Fast RF-AGC, Programmable in 1-dB Steps Fast IF-AGC, Programmable in 2-dB Steps Fast Freque.

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