TDK HHM Series HHM2208SB1 Specifications

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001-02 / 20080105 / e761_hhm2208sb1.fm

• All specifications are subject to change without notice.

Multilayer Chip Directional Couplers

For DCS-PCS/Tx

HHM Series  HHM2208SB1  

SHAPES AND DIMENSIONS

CIRCUIT DIAGRAM

RECOMMENDED PC BOARD PATTERNS

ELECTRICAL CHARACTERISTICS

∗1

 25°C

∗2

 Operating temperature

Frequency range

1710 to 1910MHz

Coupling factor

–14.0±1.0dB

Insertion loss

0.40dB max.

∗1

0.45dB max.

∗2

Isolation

35dB min.

VSWR

1.3 max.

Temperature range

Operating

–40 to +85°C

Storage

–40 to +85°C

Conformity to RoHS Directive

0.6

±0.1

0.8

±

0.1

0.3

±0.1

0.1

±0.1

1.6

±0.1

6

5

4

1

2

3

0.15

±

0.1

Dimensions in mm

0.55

±0.1

1

Input

2

GND

3

Output

4

50

Ω load

5

GND

6

Monitor output

Terminal functions

IN

OUT

6

GND

GND

50

Ω

5

4

1

3

2

Monitor

output

0.3

0.25

0.25

0.6

0.3

0.6

ø0.3 Through-hole

Dimensions in mm

0.7

0.3

This width is 50

Ω.

Micro-strip line for 0.4mm thick

glass-epoxy substrate.

•

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.