TDK HHM Series HHM2409 Specifications

(1/2)

001-02 / 20080105 / e761_hhm2409.fm

• All specifications are subject to change without notice.

Multilayer Chip Directional Couplers
For DCS/Tx

HHM Series HHM2409

SHAPES AND DIMENSIONS

CIRCUIT DIAGRAM

RECOMMENDED PC BOARD PATTERNS

ELECTRICAL CHARACTERISTICS

∗1

25°C

∗2

Operating temperature

Frequency range 1710 to 1785MHz
Coupling factor –15.0±1.0dB

Insertion loss

0.30dB max.

∗1

0.35dB max.

∗2

Isolation 20dB min.
VSWR 1.3 max.

Temperature range

Operating –40 to +85°C
Storage –40 to +85°C

Conformity to RoHS Directive

0.95±0.1

1.25±0.15

0.65±0.2 0.3±0.2

0.2±0.2 0.35±0.2

2.0±0.15

654

123

0.25±0.2

Dimensions in mm

1 Input
2 GND
3 Output
450Ω load
5 GND
6 Monitor output

Terminal functions

IN

OUT

6

GND

GND

50Ω

54

13

2

Monitor
output

0.3

0.35

0.35

1.0 0.4

1.0

ø0.3 Through-hole

Dimensions in mm

0.7

0.4

This width is 50Ω.
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.

(2/2)

001-02 / 20080105 / e761_hhm2409.fm

• All specifications are subject to change without notice.

FREQUENCY CHARACTERISTICS

COUPLING

INSERTION LOSS

ISOLATION

VSWR

–30

1500 20001800 190017001600

–20

–10

0

Coupling factor

(

dB

)

Frequency(MHz

)

1: 1710MHz
–15.1dB
2: 1785MHz
–14.8dB

1

2

–40

–1

–0.8

–0.4

–0.6

–0.2

0

Insertion loss

(

dB

)

Frequency(MHz

)

1: 1710MHz
–0.18dB
2: 1785MHz
–0.18dB

1

2

1500 20001800 190017001600

Isolation

(

dB

)

Frequency(MHz

)

1: 1710MHz
–29.5dB
2: 1785MHz
–28.3dB

–50

1500 20001800 190017001600

–40

–30

–20

–10

0

–60

1

2

1.2

1.4

1.6

1.8

1.0
1500 1600 20001800 19001700

2.0

VSWR

(

dB

)

Frequency(MHz

)

1: 1710MHz

1.17dB
2: 1785MHz

1.15dB

2

1