TDK GSM/DCS/PCS-Tx Specifications

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001-03 / 20080105 / e761_hhm2317b3.fm

• All specifications are subject to change without notice.

Multilayer Chip Dual-Band Directional Couplers

For GSM/DCS/PCS-Tx

HHM Series  HHM2317B3

SHAPES AND DIMENSIONS

CIRCUIT DIAGRAM

RECOMMENDED PC BOARD PATTERNS

This width is 50

Ω.

CPW for 0.6mm thick Teflon substrate.

Conformity to RoHS Directive

0.95

±0.2

1.25

±

0.15

0.3

±0.2

0.2

±0.2 0.35±0.1

2.0

±0.15

3

4

8

2

1

5

6

7

0.25

±

0.2

Dimensions in mm

0.65

±0.1

1

Band1 input port

2

GND

3

Band2 input port

4

50

Ω termination

5

Band2 output port

6

GND

7

Band1 output port

8

Monitor output port

Terminal functions

IN(2)

3

5

OUT(2)

6

GND

7

OUT(1)

GND

2

IN(1)

1

50

Ω

Monitor

output

4

8

0.3

1.0

0.3

0.4

ø0.3

ø0.3

Dimensions in mm

•

Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and 

specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.