Datasheet > STVVGLNA

STVVGLNA

更新时间： 2024-09-30 12:23:15

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		射频放大器
页数	文件大小	规格书
4页	79K
描述
General-purpose, variable-gain, low-noise, RF amplifier for broadcast receiver applications

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STVVGLNA 数据手册

STVVGLNA

General-purpose, variable-gain, low-noise, RF amplifier

for broadcast receiver applications

Data brief

Features

■ 75-Ω single-ended input impedance

■ 75-Ω single-ended or 150-Ω differential output

impedance

■ Dual differential or single-ended outputs

■ Single 3.3-V DC supply

■ Input frequency range 50 to 2150 MHz

■ Fully integrated RF AGC with power monitoring

■ Low external component count

Package

■ Low power consumption (145 mW typical)

■ Temperature range -35 °C to 85 °C

■ Compatible with 5-V and 3.3-V I²C bus

■ I²C bus control (option)

■ VFQFPN-16L 3x3x0.85 mm³with exposed pad

down (EPD)

■ Environmentally friendly packaging, RoHS

(2002/95/EC) compliant.

■ Four selectable I²C addresses C8,CA,CC,CE

Description

Applications

The STVVGLNA is a general-purpose, low-noise

amplifier with a gain range of -17 dB to +15 dB. Its

gain is regulated either autonomously by an

integrated AGC loop or by software control.

■ Satellite set-top boxes

■ SMATV RF accessories

■ LNBs

■ DVB-T active indoor antennas

It can be used, for example, as an input amplifier

for a satellite set-top box.

Figure 1.

STVVGLNA block diagram

STVVGLNA

TV1

tuner

DVR

tuner

AGC loop

I²C

VAGCI VAGCO

SCL

SDA

June 2011

Doc ID 018892 Rev 1

1/4

For further information contact your local STMicroelectronics sales office.

www.st.com

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