53

3

TERMINALS (Top View)

Orientation in Tape

The ITF SMD 3dB 90° Coupler is based on thin-film multilayer

technology. The technology provides a miniature part with excellent

high frequency performance and rugged construction for reliable

automatic assembly.

The ITF 3dB 90° Coupler is offered in a variety of frequency bands

compatible with various types of high frequency wireless

systems.

APPLICATIONS

• Balanced Amplifiers and

Signal Distribution in

Mobile Communications

L

A

B

W

T

DIMENSIONS:

millimeters (inches)

Bottom View

L

2.03±0.10

(0.080±0.004)

W

1.55±0.10

(0.061±0.004)

T

0.98±0.15

(0.037±0.006)

A

0.56±0.25

(0.022±0.010)

B

0.35±0.15

(0.014±0.006)

Thin-Film Directional Couplers

DB0805 3dB 90° Couplers

GENERAL DESCRIPTION

ITF TECHNOLOGY

1.76

(0.069)

2.24 (0.088)

GROUND

0.70

(0.028)

0.64

(0.025)

0.15 (0.006) TYP.

50

OHM

IN

OUT1

OUT2

50

OHM

Code Letter

Marking

IN

OUT1

OUT2

FEATURES

• Miniature 0805 size

• Low I. Loss

• High Isolation

• Power Handling:

10W RF CW

• Surface Mountable

• Supplied on Tape and Reel

• Operating Temperature

-40°C to +85°C

Recommended Pad Layout Dimensions

mm (inches)

Part Number

[MHz]

[dB]

[deg] max.

Marking

DB0805A0880AWTR

880±30

0.35

3

Y

DB0805A0915AWTR

915±30

0.35

3

V

DB0805A0967AWTR

967±30

0.35

3

V

DB0805A1350AWTR

1350±50

0.35

3

C

DB0805A1650AWTR

1650±50

0.35

3

F

DB0805A1800AWTR

1800±50

0.30

3

F

DB0805A1850AWTR

1850±50

0.30

3

K

DB0805A1900AWTR

1900±50

0.30

3

K

DB0805A1950AWTR

1950±50

0.25

3

K

DB0805A2140AWTR

2140±50

0.25

3

L

DB0805A2325AWTR

2325±50

0.25

3

T

ELECTRICAL PARAMETERS*

*With Recommended Pad Layout

Important:

All intermediate frequencies within the

indicated range are readily available.