TDK HHM Series HHM2202SA1 Manuale utente

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001-02 / 20080105 / e761_hhm2202sa1.fm

• All specifications are subject to change without notice.

Multilayer Chip Directional Couplers

For EGSM/Tx

HHM Series HHM2202SA1

SHAPES AND DIMENSIONS

CIRCUIT DIAGRAM

RECOMMENDED PC BOARD PATTERNS

ELECTRICAL CHARACTERISTICS

∗125°C

∗2Operating temperature

Frequency range 880 to 915MHz

Coupling factor –20.0±1.0dB

Insertion loss 0.16dB max.∗1

0.21dB max.∗2

Isolation 27dB 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

654

123

0.15±0.1

Dimensions in mm

0.55±0.1

1 Input

2 GND

3 Output

450Ωload

5 GND

6 Monitor output

Terminal functions

IN OUT

GND

GND 50Ω

Monitor

output

0.3

0.25

0.6 0.3 0.6

ø0.3 Through-hole Dimensions in mm

0.7

0.3

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_hhm2202sa1.fm

• All specifications are subject to change without notice.

FREQUENCY CHARACTERISTICS

COUPLING

INSERTION LOSS

ISOLATION

VSWR

–25

–30

–35

800 1000950900850

–20

–15

–10

–5

Coupling factor(dB)

Frequency(MHz)

1: 880MHz

–20.8dB

2: 915MHz

–20.4dB

–40

–1

–0.8

–0.4

–0.6

–0.2

Insertion loss(dB)

Frequency(MHz)

1: 880MHz

–0.07dB

2: 915MHz

–0.07dB

800 1000950900850

Isolation(dB)

Frequency(MHz)

1: 880MHz

–40.8dB

2: 915MHz

–40.1dB

–25

–30

–35

–40

800 1000950900850

–20

–15

–10

–5

–50

–45 12

1.2

1.4

1.6

1.8

1.0

800 850 1000950900

2.0

VSWR(dB)

Frequency(MHz)

1: 880MHz

1.08dB

2: 915MHz

1.08dB

Indice

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