Device Overview

General Description

3-Way Wilkinson power dividers can be used for both in-phase power splitting and power combining applications. These power dividers feature the lowest insertion loss (ideally 4.77 dB 3-way splitting loss), excellent amplitude and phase balance, and high isolation across the entire operating band.

Photo of PD3-0R412

Features

  • 0.4 to 12 GHz In-phase Power Splitting
  • High Output to Output Isolation
  • Closely Tracking Phase and Amplitude Balance

Applications

N/A

Functional Block Diagram

Block Diagram

Part Ordering Options

Part NumberDescriptionConnectorsGreen StatusProduct LifecycleExport Classification
PD3-0R4123-Way Wilkinson Power DividerStandard

REACH

RoHS

ReleasedEAR99

Table Of Contents

Revision History

Revision CodeRevision DateComment
-2012-11-13Initial Date Released
A2025-12-17Power Handling Updated

Rev: A | Copyright © 2012, 2025 Marki Microwave LLC.

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Port Configuration and Functions

Port Functions

PortFunctionConnector TypeDescriptionDC Equivalent
Circuit
InDivider Common Input SMAFWilkinson Divider Common Input-
Out 1Divider Output 1 SMAFRF divided output 1 of the Wilkinson divider.-
Out 2Divider Output 2 SMAFRF divided output 2 of the Wilkinson divider.-
Out 3Divider Output 3 SMAFRF divided output 3 of the Wilkinson divider.-

Rev: A | Copyright © 2012, 2025 Marki Microwave LLC.

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Specifications

Absolute Maximum Ratings

ParameterMaximum RatingUnit
RF Power Handling as a Power Combiner 1W
RF Power Handling as a Power Divider 10W

Package Information

ParameterDetailsRating
Weight-86g
Dimensions-167.13 x 20.32mm

Rev: A | Copyright © 2012, 2025 Marki Microwave LLC.

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Electrical Specifications

Specifications guaranteed from -55 to +100°C, measured in a 50Ω system.

ParameterTest ConditionsMinimum
Frequency
(GHz)
Maximum
Frequency
(GHz)
MinTypMaxUnit
Amplitude Balance -0.4 12-0.10.5dB
Excess Insertion Loss 1-0.4 12-1.53dB
Nominal Phase Shift -0.4 12-0-°
Nominal Power Splitting -0.4 12-4.77-dB
Phase Balance -0.4 12-210°
VSWR -0.6 12-1.31.55
VSWR -0.4 0.6-1.5-
Isolation -0.6 121525-dB
Isolation -0.4 0.612--dB

[1] Excess Insertion Loss = (Input Port to Common Port Insertion Loss) - 6dB

Rev: A | Copyright © 2012, 2025 Marki Microwave LLC.

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Typical Performance Plots

Common port to output port insertion loss graph for PD3-0R412
Return loss for output and common ports graph for PD3-0R412
Amplitude balance between output ports graph for PD3-0R412
Phase balance between output ports graph for PD3-0R412
Isolation between output ports graph for PD3-0R412

Rev: A | Copyright © 2012, 2025 Marki Microwave LLC.

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Mechanical Data

Rev: A | Copyright © 2012, 2025 Marki Microwave LLC.

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