T7024-TRS Просмотр технического описания (PDF) - Atmel Corporation

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T7024-TRS

Bluetooth/ISM 2.4-GHz Front End IC

Atmel Corporation 

Features

• Single 3-V Supply Voltage

• High Power-added Efficient Power Amplifier (Pout Typically 23 dBm)

• Ramp-controlled Output Power

• Low-noise Preamplifier (NF Typically 2.1 dB)

• Biasing for External PIN Diode T/R Switch

• Current-saving Standby Mode

• Few External Components

• Packages:

– PSSO20

– QFN20 with Extended Performance

Electrostatic sensitive device.

Observe precautions for handling.

Bluetooth™/ISM

2.4-GHz Front-

End IC

T7024

Description

The T7024 is a monolithic SiGe transmit/receive front-end IC with power amplifier,

low-noise amplifier and T/R switch driver. It is especially designed for operation in

TDMA systems like Bluetooth™ and WDCT.

Due to the ramp-control feature and a very low quiescent current, an external switch

transistor for VS is not required.

Figure 1. Block Diagram

RX_ON PU VS_LNA

TX

TX/RX/

standby

Control

RX

SWITCH_OUT

R_SWITCH

LNA_OUT

LNA

RAMP

LNA_IN

V1_PA

V2_PA

PA_IN

V3_PA_OUT

PA

4533D–BLURF–01/04

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