LMX3162

更新时间： 2024-09-13 22:46:59

品牌	Logo	应用领域
美国国家半导体 - NSC		无线
页数	文件大小	规格书
18页	401K
描述
Single Chip Radio Transceiver

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LMX3162 数据手册

PRELIMINARY

March 2000

LMX3162

Single Chip Radio Transceiver

The Single Chip Radio Transceiver is available in a 48-pin

7mm X 7mm X 1.4mm PQFP surface mount plastic pack-

age.

General Description

The LMX3162 Single Chip Radio Transceiver is a monolithic,

integrated radio transceiver optimized for use in ISM 2.45

GHz wireless systems. It is fabricated using National’s ABiC

V BiCMOS process (f_T= 18 GHz).

Features

n Single chip solution for ISM 2.45 GHz RF transceiver

n System RF sensitivity to −93 dBm; RSSI sensitivity to

−100 dBm

n Two regulated voltage outputs for discrete amplifiers

n High gain (85 dB) intermediate frequency strip

n Allows unregulated 3.0V–5.5V supply voltage

n Power down mode for increased current savings

n System noise figure 6.5 dB (typ)

The LMX3162 contains phase locked loop (PLL), transmit

and receive functions. The 1.3 GHz PLL is shared between

transmit and receive sections. The transmitter includes a fre-

quency doubler, and a high frequency buffer. The receiver

consists of a 2.5 GHz low noise mixer, an intermediate fre-

quency (IF) amplifier, a high gain limiting amplifier, a fre-

quency discriminator, a received signal strength indicator

(RSSI), and an analog DC compensation loop. The PLL,

doubler, and buffers can be used to implement open loop

modulation along with an external VCO and loop filter. The

circuit features on-chip voltage regulation to allow supply

voltages ranging from 3.0V to 5.5V. Two additional voltage

regulators provide a stable supply source to external dis-

crete stages in the Tx and Rx chains.

Applications

n ISM 2.45 GHz frequency band wireless systems

n Personal wireless communications (PCS/PCN)

n Wireless local area networks (WLANs)

n Other wireless communications systems

The IF amplifier, high gain limiting amplifier, and discrimina-

tor are optimized for 110 MHz operation, with a total IF gain

of 85 dB. The single conversion receiver architecture pro-

vides a low cost, high performance solution for communica-

tions systems. The RSSI output may be used for channel

quality monitoring.

Block Diagram

DS100929-1

™

MICROWIRE is a trademark of National Semiconductor Corporation.

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

DS100929

www.national.com

12 3 4 5 6 7...18

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与LMX3162相关器件

型号	品牌	获取价格	描述	数据表
LMX3162VBH	NSC	获取价格	Single Chip Radio Transceiver
LMX3162VBHX	NSC	获取价格	Single Chip Radio Transceiver
LMX321	MAXIM	获取价格	Single/Dual/Quad, General-Purpose, Low-Voltage, Rail-to-Rail Output Op Amps
LMX321	STMICROELECTRONICS	获取价格	低功耗通用运算放大器
LMX321_06	MAXIM	获取价格	Single/Dual/Quad, General-Purpose, Low-Voltage, Rail-to-Rail Output Op Amps
LMX3211TM	TI	获取价格	250 MHz RF/MICROWAVE UP/DOWN CONVERTER
LMX3211TMX	TI	获取价格	250 MHz RF/MICROWAVE UP/DOWN CONVERTER
LMX321AUK	MAXIM	获取价格	Operational Amplifier, 1 Func, 9000uV Offset-Max, BIPolar, PDSO5
LMX321AUK+	MAXIM	获取价格	Operational Amplifier, 1 Func, 9000uV Offset-Max, BIPolar, PDSO5
LMX321AUK+T	MAXIM	获取价格	Operational Amplifier, 1 Func, 6000uV Offset-Max, BIPolar, PDSO5, SOT-23, 5 PIN

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