Device Overview

General Description

The C17-0R512 is a high power, broadband bidirectional coupler capable of operation to 12 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 C17-0R512

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
C17-0R512DIRECTIONAL COUPLERStandard

REACH

RoHS

ReleasedEAR99

Table Of Contents

Revision History

Revision CodeRevision DateComment
A2021-02-01Specs table update

Rev: A | Copyright © 2021 Marki Microwave LLC.

2

Port Configuration and Functions

Port Functions

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

Rev: A | Copyright © 2021 Marki Microwave LLC.

3

Specifications

Absolute Maximum Ratings

ParameterMaximum RatingUnit
RF Power Handling 80W
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-182.73 x 46.91mm

Rev: A | Copyright © 2021 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 12-0.61.2dB
Directivity -0.5 121320-dB
Direct Line Insertion Loss -0.5 --0.17-dB
Mean Coupling -0.5 12-17-dB
VSWR 2-0.5 12-1.21.7
VSWR -0.5 12-1.21.5
Weight 3-- --600-g

[1] Deviation from average coupling

[2] Max and min values given for SMA (APC-7) connectors

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

Rev: A | Copyright © 2021 Marki Microwave LLC.

5

Typical Performance Plots

Direct line insertion loss graph for C17-0R512
Typical port return loss graph for C17-0R512
Coupled port power graph for C17-0R512
Typical directivity graph for C17-0R512
Low frequency coupled port power graph for C17-0R512

Rev: A | Copyright © 2021 Marki Microwave LLC.

6

Mechanical Data

Rev: A | Copyright © 2021 Marki Microwave LLC.

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