ALPHA DC15-73 Datasheet

Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com 1

Specifications subject to change without notice. 3/99A

Directional Coupler 1.42–1.66 GHz

Features

■ Low Cost

■ Low Profile

■ Available in Small SOT-6 Lead Package

■ Tape & Reel

DC15-73

Description

The DC15-73 is a monolithic directional coupler tailored
to the 1.42–1.66 GHz band. It offers low loss, good
isolation, good input/output matching and exceptional
coupling repeatability. It is available in the SOT-6 lead
surface mount package.

Parameter Min. Typ. Max. Unit

Frequency 1.42 1.66 GHz
Insertion Loss 0.2 0.3 dB
Isolation 30 34 dB
Input VSWR 1.1:1 1.3:1
Output VSWR 1.1:1 1.3:1
Coupling 19.4 18.4 17.4 dB
Coupled Port VSWR 1.1:1 1.3:1

Electrical Specifications at 25°C

IN

GND

COUPLED

OUT

GNDGND

123

654

DC15

Pin Out

Out

Coupled

In

Block Diagram

Directional Coupler 1.42–1.66 GHz DC15-73

2 Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com

Specifications subject to change without notice. 3/99A

-0.5

-0.4

-0.3

-0.2

-0.1

-0.0

Insertion Loss (dB)

Insertion Loss vs. Frequency

1.40 1.45 1.50 1.55 1.60 1.65 1.70

Frequency (GHz)

1.40 1.45 1.50 1.55 1.60 1.65 1.70

Frequency (GHz)

-40

-30

-20

-10

0

Isolation (dB)

Isolation vs. Frequency

1.40 1.45 1.50 1.55 1.60 1.65 1.70

Frequency (GHz)

1.0

1.1

1.2

1.3

1.4

1.5

Output VSWR

Output VSWR vs. Frequency

1.40 1.45 1.50 1.55 1.60 1.65 1.70

Frequency (GHz)

1.0

1.1

1.2

1.3

1.4

1.5

Coupled Port VSWR

Coupled Port VSWR vs. Frequency

1.40 1.45 1.50 1.55 1.60 1.65 1.70

Frequency (GHz)

1.0

1.1

1.2

1.3

1.4

1.5

Input VSWR

Input VSWR vs. Frequency

1.40 1.45 1.50 1.55 1.60 1.65 1.70

Frequency (GHz)

-22

-21

-20

-19

-18

-17

-16

Coupling (dB)

Coupling vs. Frequency

Typical Performance Data