TDK HHM Series HHM2411 User manual

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001-02 / 20080105 / e761_hhm2411.fm

• All specifications are subject to change without notice.

Multilayer Chip Directional Couplers

For PCS/Tx

HHM Series HHM2411

SHAPES AND DIMENSIONS

CIRCUIT DIAGRAM

RECOMMENDED PC BOARD PATTERNS

ELECTRICAL CHARACTERISTICS

∗125°C

∗2Operating temperature

Frequency range 1850 to 1910MHz

Coupling factor –14.5±1.0dB

Insertion loss 0.35dB max.∗1

0.40dB max.∗2

Isolation 20dB min.

VSWR 1.4 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

450Ωload

5 GND

6 Monitor output

Terminal functions

IN OUT

GND

GND 50Ω

Monitor

output

0.3

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.

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001-02 / 20080105 / e761_hhm2411.fm

• All specifications are subject to change without notice.

FREQUENCY CHARACTERISTICS

COUPLING

INSERTION LOSS

ISOLATION

VSWR

–30

1500 20001800 190017001600

–20

–10

Coupling factor(dB)

Frequency(MHz)

1: 1850MHz

–14.4dB

2: 1910MHz

–14.1dB

–40

–1

–0.8

–0.4

–0.6

–0.2

Insertion loss(dB)

Frequency(MHz)

1: 1850MHz

–0.16dB

2: 1910MHz

–0.17dB

1500 20001800 190017001600

Isolation(dB)

Frequency(MHz)

1: 1850MHz

–27.2dB

2: 1910MHz

–26.9dB

–50

1500 20001800 190017001600

–40

–30

–20

–10

–60

1.2

1.4

1.6

1.8

1.0

1500 1600 20001800 19001700

2.0

VSWR(dB)

Frequency(MHz)

1: 1850MHz

1.15dB

2: 1910MHz

1.16dB

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