Datasheet > U2790B

U2790B

更新时间： 2024-11-24 22:18:27

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
15页	227K
描述
1000-MHz QUADRATURE MODULATOR

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中文翻译

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数据手册

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U2790B 数据手册

Features

• Supply Voltage 5 V (Typically)

• Very Low Power Consumption: 150 mW (Typically) for -1 dBm Output Level

• Very Good Sideband Suppression by Means of Duty Cycle Regeneration of the LO

Input Signal

• Phase Control Loop for Precise 90° Phase Shifting

• Power-down Mode

• Low LO Input Level: -10 dBm (Typically)

• 50-ꢀ Single-ended LO and RF Port

• LO Frequency from 100 MHz to 1 GHz

• SO16 Package01/03

1000-MHz

Quadrature

Modulator

Benefits

• No External Components Required for Phase Shifting

• Adjustment Free, Hence Saves Manufacturing Time

• Only Three External Components Necessary, this Results in Cost and Board Space

Saving

U2790B

Electrostatic sensitive device.

Observe precautions for handling.

Description

The U2790B is a 1000-MHz quadrature modulator using Atmel´s advanced UHF pro-

cess. It features a frequency range from 100 MHz up to 1000 MHz, low current

consumption, and single-ended RF and LO ports. Adjustment-free application makes

the direct converter suitable for all digital radio systems up to 1000 MHz, e.g., GSM,

ADC, JDC.

Figure 1. Block Diagram

S_PU

BB_AI

Power

V_S

5,4

RF_O

0°

Frequency

doubler

Duty cycle

regenerator

90°/control

loop

ꢀ

LO_i

90°

Ph_adj

BB_Bi

BB_BI

2,11,13,14

GND

Rev. 4583A–CELL–01/03

12 3 4 5 6 7...15

中文翻译

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