APS3625RS34P8 Ver la hoja de datos (PDF) - ANADIGICS

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APS3625RS34P8

5-Way Active Splitter with One-Port Bypass 50 MHz to 1000 MHz

ANADIGICS 

FEATURES

• Single Input, 5-way Output

• Wideband Operation: to Above 1 GHz

• Maintains RF signal path to high priority port

(“Phone”) in power loss mode

• Used in conjunction with external FET for

shutdown control

• 4.8 dB Typical Noise Figure at 4 dB Gain

• Single +3.3 V Supply

• High Linearity, Low Distortion

• Single-ended 75 Ohm Inputs/Outputs

• RoHS Compliant/Lead Free

• 4 x 4 x 0.9 mm 24-Lead QFN Package

APS3625

5-Way Active Splitter with One-Port Bypass

50 MHz to 1000 MHz

Preliminary Data sheet - Rev 1.1

APS3625

Applications

• Home gateways and CATV digital set-top boxes

with multiple tuners, requiring phone by-

pass when power is lost

PRODUCT DESCRIPTION

The APS3625 active splitter from ANADIGICS accepts

an RF input in the 50 MHz to 1.0 GHz frequency range

and provides five RF outputs with minimal degradation

in signal quality. The single-package surface mount

device amplifies the input signals using highly linear,

low noise amplification stages, and couples the

amplified signal to five separate output paths to drive

video tuner(s), a DOCSIS tuner(s), or other in-band

inputs. The device provides one by-pass output to

maintain a connection when the power is lost, which

Shutdown

Control “ON”

S34 Package

24 Pin QFN

4 mm x 4 mm x 0.9 mm

is intended for critical signals such as a digital voice

phone. The overall linearity of each tuner path is

maintained across the entire operating frequency

range, ensuring low distortion effects on each output

signal.

Requiring a single +3.3 Volt supply, the active splitter

design is implemented using the ANADIGICS GaAs

MESFET process. The small surface mount QFN

packaging makes this device ideal for use in home

gateways and multiple-tuner set-top boxes, supporting

multiple video outputs, and/or DOCSIS 3.0 and IP

phones.

Shutdown

Control “OFF”

RF Input

RF Out 1

RF Out 2

RF Out 3

RF Out 4

RF Input

RF Out 1

RF Out 2

RF Out 3

RF Out 4

APS3625

RF Out 5

(Phone Out)

Figure 1: Functional Block Diagram “ON” Mode

RF Out 5

(Phone Out)

APS3625

Figure 2: Functional Block Diagram Bypass Mode

07/2010

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