Datasheet > TQ9203

TQ9203

更新时间： 2024-09-18 22:19:15

品牌	Logo	应用领域
TRIQUINT		蜂窝
页数	文件大小	规格书
12页	262K
描述
Low-Current Cellular Band Downconverter IC

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中文翻译

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数据手册

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TQ9203 数据手册

WIRELESS COMMUNICATIONS DIVISION

VDD

TQ9203

DATA SHEET

Mixer

IF out

Mixer

LO In

Mixer

RF In

Low-Current Cellular

LNA

IN0

Band Downconverter IC

LNA

out

Select

LNA

IN1

Features

LO Tune

GND

§ +5-V single supply

§ Internal buffer amplifier on mixer

LO port

§ On-chip matching to 50W

§ Two selectable RF inputs

§ Low-cost SO-14 plastic package

§ 21dB system gain

Product Description

The TQ9203 RFIC Downconverter is a multifunction RF front end designed for the

high dynamic range cellular communications standards. The design of the TQ9203

provides a 2.5dB system noise figure for excellent sensitivity, and a good signal

range with –10dBm input IP3. Its low current consumption, single +5V operation and

small, plastic surface-mount package are ideally suited for cost-competitive, space-

limited and portable applications. In addition, two selectable RF inputs simplify

implementation of “antenna diversity” in applications such as CDPD. The TQ9203 is

specified over a RF frequency range of 800 to 1000MHz, and therefore may be used

for any of the cellular and cordless telephony standards.

§ -10dBm typical input intercept point

§ 2.5dB typ. system noise figure

§ 10.5mA typ. operating current

Electrical Specifications¹

Parameter

Min

800

Typ

Max

Units

MHz

Applications

Frequency

1000

§ Cellular Communications

§ Spread-Spectrum Receivers

§ Cordless Phones

Gain

21.0

2.5

Noise Figure

Input 3^rdOrder Intercept

DC supply Current

-10.0

10.5

dBm

Note

1. Test Conditions: Vdd=5V, Ta=25C, filter IL=3.0dB, RF=881MHz, LO=966MHz, IF=85MHz,

LO input=-6dBm

2. Specified with external noise-matching circuit elements, with image-stripping BPF IL=3dB

3. Frequency separation of the two signals is 500KHz; BPF IL=3dB

Electrical Characteristics

For additional information and latest specifications, see our website: www.triquint.com

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