Tdk HHM Series HHM2208SB1 User Manual download pdf

(1/2)

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

654

123

0.15±0.1

Dimensions in mm

0.55±0.1

1 Input

2 GND

3 Output

450Ω load

5 GND

6 Monitor output

Terminal functions

OUT

GND

Ω

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.

1 2

Summary of Contents

Page 1 - For DCS-PCS/Tx

(1/2)001-02 / 20080105 / e761_hhm2208sb1.fm• All specifications are subject to change without notice.Multilayer Chip Directional CouplersFor DCS-PCS/T

Page 2 - ISOLATION

(2/2)001-02 / 20080105 / e761_hhm2208sb1.fm• All specifications are subject to change without notice.FREQUENCY CHARACTERISTICSCOUPLINGINSERTION LOSSIS

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Tdk HHM Series HHM2208SB1 User Manual

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Summary of Contents

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