APS3625

Five-way active power splitter

Please note: this product is being discontinued and is not recommended for new designs.

The APS3625 active splitter 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 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 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.

Data Sheets

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Specifications

DescriptionFive-way active power splitter

Gain Typ. (dB)4

Noise Figure Typ. (dB)4.8

CTB (dBc) Typ-70

CSO (dBc) Typ-60

XMOD (dBc) Typ-67

Current Consumption (mA) Typ.130

Package (mm)4 x 4 x 1

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

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