Datasheet > TRF1123IRTMTG3

TRF1123IRTMTG3

更新时间： 2024-01-04 13:56:10

品牌	Logo	应用领域
德州仪器 - TI		放大器功率放大器
页数	文件大小	规格书
13页	375K
描述
2.1-GHz to 2.7-GHz 1-W Power Amplifier

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TRF1123IRTMTG3 数据手册

TRF1123

www.ti.com

SLWS167B–APRIL 2005–REVISED SEPTEMBER 2006

2.1-GHz to 2.7-GHz 1-W Power Amplifier

FEATURES

VPOS

VNEG

•

1.5 W P-1 dBm Linear, 30-dB Gain

Transmitter

Power

Supply

•

Operates Over the MMDS, MDS, and WCS

Bands (2.1 GHz to 2.7 GHz)

VDD

PACNT

•

Two TTL Controlled, 1-bit, 16-dB Gain Steps

Power Amp /

Attenuator

Driver

Amplifier

Pre−Amp

Superior Linearity Over the Entire Gain

Range

RFI

RFO

•

PACNT Signal Enables and Disables PA

Internally Matched 50-Ω Input and Output

DETN

DETP

PAGAIN1

PAGAIN0

DESCRIPTION

The TRF1123 is a highly integrated linear transmitter power amplifier MMIC. The chip has two 16-dB gain steps

that provide a total of 32-dB gain control via 1-bit TTL control signals. The chip also integrates a TTL mute

function that turns off the amplifiers for power critical or TDD applications. A temperature compensated detector

is included for output power monitor or ALC applications. The chip has a typical P1dB of 31.5 dBm and a third

order intercept of 52 dBm.

The TRF1123 is designed to function as a part of Texas Instruments complete 2.5-GHz chip set. The TRF1123

is used as the output power amplifier or a driver amplifier for higher power applications. The linear nature of the

transmitter makes it ideal for complex modulations schemes such as high order QAM or OFDM.

KEY SPECIFICATIONS

•

OP_1dB= 31.5 dBm, Typical

Output IP3 = 52 dBm, Typical

Gain = 30 dB, Typical

Gain Flatness Over Transmit Band ±2.5 dB

Frequency Range: 2.1 GHz to 2.7 GHz

±0.5-dB Detected Output voltage vs Temperature

BLOCK DIAGRAM

The detailed block diagram and the pin-out of the ASIC are shown in Figure 1.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...13

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