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TDK HHM Series User Manual

Multilayer chip baluns for uwb

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001-01 / 20080106 / e751_hhm1775b1.fm

• All specifications are subject to change without notice.

Multilayer Chip Baluns
For UWB

HHM Series HHM1775B1

SHAPES AND DIMENSIONS

RECOMMENDED PC BOARD PATTERNS

Line width be designed to match 50

Ω characteristic impedance depending on

PCB material and thickness.

ELECTRICAL CHARACTERISTICS

Conformity to RoHS Directive

0.6

±0.1

0.8

±

0.1

0.3

±0.1

0.15

±

0.1

0.1

±0.1 0.25±0.1

1.6

±0.1

6

5

4

1

2

3

Dimensions in mm

0.55

±0.1

1

Unbalanced port

2

GND or DC feed+ RF GND

3

Balanced port

4

Balanced port

5

GND

6

N.C.

Terminal functions

0.25

0.25

0.3

0.5

0.5

0.85

0.2

0.3

0.95

0.15

ø0.3 Through-hole

Unbal port

Bal port

Dimensions in mm

Land

Unbalanced impedance

50

Balanced impedance

100

Frequency range

3100 to 4900MHz

Unbalanced port return loss

10dB min.

Phase imbalance at balanced port

180±15deg.

Amplitude imbalance at balanced port

0±1.5dB

Insertion loss

1.2dB max.

Temperature range

Operating

–40 to +85°C

Storage

–40 to +85°C

Packaging style and quantities

4000pieces/reel

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.

This manual is related to the following products: