Device Overview

General Description

The C09-0R430 is a broadband 0.45-30 GHz, 9 dB directional coupler. The multisection tri-plate stripline design exhibits excellent coupling flatness and VSWR at all ports. Custom designs are also available; contact the factory for details

Photo of C09-0R430

Features

· Ultra Broadband Performance

· Excellent Coupling Flatness

· High Directivity

· Low VSWR

· RoHS Compliant

Applications

N/A

Functional Block Diagram

Block Diagram

Part Ordering Options

Part NumberDescriptionConnectorsGreen StatusProduct LifecycleExport Classification
C09-0R430DIRECTIONAL COUPLERStandard

Non-RoHS

ReleasedEAR99

Table Of Contents

Revision History

Revision CodeRevision DateComment
B2020-04-01Updated Direct Line IL specs

Rev: B | Copyright © 2020 Marki Microwave LLC.

2

Port Configuration and Functions

Port Functions

PortFunctionConnector TypeDescriptionDC Equivalent
Circuit
-9dB-9dB Coupled Output 2.92F-9dB coupled output port.-
INRF Input 2.92FCoupler RF input port.-
ISOLIsolated 2.92FCoupler isolated port.-
OUTRF Output 2.92FCoupler through RF output port.-

Rev: B | Copyright © 2020 Marki Microwave LLC.

3

Specifications

Absolute Maximum Ratings

ParameterMaximum RatingUnit
RF Power Handling 20W
Minimum Operating Temperature -55°C
Maximum Operating Temperature 100°C
Minimum Storage Temperature -65°C
Maximum Storage Temperature 125°C

Package Information

ParameterDetailsRating
Weight-90g
Dimensions-142.24 x 13.97 mm

Rev: B | Copyright © 2020 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 1-0.45 30-0.71.4dB
Directivity -0.45 181520-dB
Directivity -18 301216-dB
Direct Line Insertion Loss DC-30GHz
- --1.32.6dB
Mean Coupling -0.45 30-9-dB
VSWR DC-18GHz
- --1.151.45
VSWR -18 30-1.31.8

[1] Deviation from average coupling.

Rev: B | Copyright © 2020 Marki Microwave LLC.

5

Typical Performance Plots

Insertion Loss (dB) graph for C09-0R430
Return Loss (dB) graph for C09-0R430
Coupled Power (dB) graph for C09-0R430
Directivity (dB) graph for C09-0R430

Rev: B | Copyright © 2020 Marki Microwave LLC.

6

Mechanical Data

Rev: B | Copyright © 2020 Marki Microwave LLC.

7