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PE4314

UltraCMOS® RF Digital Step Attenuator

RF Attenuator, Digital, 1 MHz- 2.5 GHz, 31.5 dB, 6- bit, 0.5 dB LSB, 75 Ohm

Status: Standard | Data Sheet:

| RoHS Compliance: Rohs Compliant

Key Features

•Attenuation step of 0.5 dB up to 31.5 dB •Glitch-less attenuation state transitions •Low distortion for CATV and multi-carrier applications •Extended +105°C operating temperature •Parallel and serial programming interfaces •Packaging: 20-lead 4 × 4 × 0.85 mm QFN

Description

The PE4314 is a 75Ω HaRP™ technology-enhanced, 6-bit RF digital step attenuator (DSA) that supports a frequency range from 1 MHz to 2.5 GHz. It features glitch-less attenuation state transitions and supports 1.8V control voltage and an extended operating temperature range up to +105°C, making this device ideal for multiple wired broadband applications. The PE4314 is a pin-compatible upgraded version of the PE4304, PE4307, PE4308 and PE43404. An integrated digital control interface supports both serial and parallel programming of the attenuation, including the capability to program an initial attenuation state at power up. The PE4314 covers a 31.5 dB attenuation range in a 0.5 dB step. It is capable of maintaining 0.5 dB monotonicity through 2.5 GHz. In addition, no external blocking capacitors are required if 0 VDC is present on the RF ports.

Part Number: PE4314
Manufacturer: pSemi
Type: Digital Step
Frequency Min: 1 MHz
Frequency Max: 2500 MHz
Bits: 6
Attn Range: 31.5 dB
Attenuation Step: 0.5 dB
Impedance: 75 Ohms
Insertion Loss Min: 1 dB
Insertion Loss Max: 1.5 dB
IIP3: 58 dBm
Package: 20L QFN
Typ Input Power for 1 dB Loss: 4 dBm

	Datasheet
	Material Declaration
	RoHS Compliance Certificate
	REACH Compliance Certificate
	S-Parameters
	Schematic/B.O.M.
	Gerber Files
	Software
	EVK Manual
	IPC-1752-2 Class 6 Form
	Application Note: Replacing PE4302 with PE4314
	Application Note: Soldering Guidelines for Mounting Bottom-t
	Application Note: Thermal Characterization

Part Function	Part Number	Description
Evaluation Board	EK4314-02 pSemi	Evaluation Kit for PE4314

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Product Specifications For PE4314 RF Attenuator

Part Number: PE4314 Manufacturer: pSemi Product Description: RF Attenuator, Digital, 1 MHz- 2.5 GHz, 31.5 dB, 6- bit, 0.5 dB LSB, 75 Ohm

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by 1/8/2026

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PE4314

UltraCMOS® RF Digital Step Attenuator

RF Attenuator, Digital, 1 MHz- 2.5 GHz, 31.5 dB, 6- bit, 0.5 dB LSB, 75 Ohm

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PE4314

UltraCMOS® RF Digital Step Attenuator

RF Attenuator, Digital, 1 MHz- 2.5 GHz, 31.5 dB, 6- bit, 0.5 dB LSB, 75 Ohm

Technical Inquiry Request for PE4314 RF Attenuator

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