Datasheet > ATR2731

ATR2731

更新时间： 2024-11-21 06:38:39

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
26页	572K
描述
DAB One-chip Front End

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中文翻译

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数据手册

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ATR2731 数据手册

Features

•

8.5V Supply Voltage

Voltage Regulator for Stable Operating Conditions

Microprocessor-controlled Via a Simple Two-wire Bus

Two Selectable Addresses

Gain-controlled RF Amplifier with Two Inputs, Selectable Via a Simple Two-wire Bus

Control

DAB One-chip

Front End

•

Balanced RF Amplifier Inputs

Gain-controlled RF Mixer

Four-pin Voltage-controlled Oscillator

SAW Filter Driver With Differential Low-impedance Output

AGC Voltage Generation for RF Section, Available at Charge-pump Output (Can Also

Be Used to Control a PIN Diode Attenuator)

Gain-controlled IF Amplifier

ATR2731

•

Balanced IF Amplifier Inputs

Selectable Gain-controlled IF Mixer

Single-ended IF Output

AGC Voltage Generation for IF Section, Available at Charge-pump Output

Separate Differential Input for the IF AGC Block

All AGC Time Constants are Adjustable

AGC Thresholds Programmable Via a Simple Two-wire Bus

Three AGC Charge Pump Currents Selectable (Zero, Low, High)

Reference Oscillator

Programmable 9-bit Reference Divider

Programmable 15-bit Counter 1:2048 to 1:32767 Effectively

Tri-state Phase Detector with Programmable Charge Pump

Superior Phase-noise Performance

Programmable Deactivation of Tuning Output

Three Switching Outputs (Open Collector)

Three D/A Converters (Resolution: 8 Bits)

Lock Status Indication (Open Collector)

Rev. 4904A–DAB–03/06

12 3 4 5 6 7...26

中文翻译

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