Device Overview

General Description

The C17-0R506 is a high power, broadband bidirectional coupler capable of operation to 6 GHz. The multisection stripline design exhibits excellent coupling flatness and VSWR at all ports. This coupler is available with SMA and APC-7 connector option.

Photo of C17-0R506

Features

  • Low Insertion Loss
  • High Power Handling
  • Broadband Performance
  • High Directivity
  • Low VSWR

Applications

N/A

Functional Block Diagram

Block Diagram

Part Ordering Options

Part NumberDescriptionConnectorsGreen StatusProduct LifecycleExport Classification
C17-0R506ADirectional CouplerStandard

REACH

RoHS

ReleasedEAR99
C17-0R506Directional CouplerStandard

REACH

RoHS

ReleasedEAR99

Table Of Contents

Revision History

Revision CodeRevision DateComment
A2025-08-14Operating Temperature Included

Rev: A | Copyright © 2025 Marki Microwave LLC.

2

Port Configuration and Functions

Port Diagram

Diagram of the port configuration for C17-0R506

Port Functions

PortFunctionConnector TypeDescriptionDC Equivalent
Circuit
COUP-17dB Coupled Output SMAF--
INRF Input SMAF--
ISOLIsolated SMAF--
OUTRF Output SMAF--

Rev: A | Copyright © 2025 Marki Microwave LLC.

3

Specifications

Absolute Maximum Ratings

ParameterMaximum RatingUnit
RF Power Handling 120W
Minimum Storage Temperature -65°C
Maximum Storage Temperature 125°C
Minimum Operating Temperature -55°C
Maximum Operating Temperature 100°C

Package Information

ParameterDetailsRating
Weight-600g
Dimensions-176.38 x 40.56 mm

Rev: A | Copyright © 2025 Marki Microwave LLC.

4

Electrical Specifications

The electrical specifications apply at TA=+25°C in a 50Ω system

ParameterTest ConditionsMinimum
Frequency
(GHz)
Maximum
Frequency
(GHz)
MinTypMaxUnit
Amplitude Flatness 1-0.5 6-0.61.2dB
Directivity -0.5 61520-dB
Direct Line Insertion Loss -0.5 6--1dB
Direct Line Insertion Loss -0.5 6-0.17-dB
Direct Line Insertion Loss -0.5 6-0.4-dB
Mean Coupling -0.5 6-17.5-dB
VSWR -0.5 6-1.21.45
Weight 2-- --600-g

[1] Deviation from average coupling.

[2] Weight listed is for SMA connectorized package. Each APC-7 connector is an additional 50 grams.

Rev: A | Copyright © 2025 Marki Microwave LLC.

5

Typical Performance

Direct line insertion loss graph for C17-0R506
Typical port return loss graph for C17-0R506
Coupled port power graph for C17-0R506
Typical directivity graph for C17-0R506
Low frequency coupled port power graph for C17-0R506

Rev: A | Copyright © 2025 Marki Microwave LLC.

6

Mechanical Data

Outline Drawing

Download : Outline 2D Drawing Outline 3D Drawing Outline 3D STP

Outline Drawing

Weight listed is for SMA connectorized package. Each APC-7 connector is an additional 50 grams.

Rev: A | Copyright © 2025 Marki Microwave LLC.

7