TDK DEA200710LT-1238A1 User Manual

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Multilayer Chip Low Pass Filters
For DVB-H/ISDB-T

DEA Series DEA200710LT-1238A1

SHAPES AND DIMENSIONS

2.0± 0.1

654

+0.1

–0.2

123

0.25

0.65± 0.1

0.2± 0.15 0.35± 0.1

RECOMMENDED PC BOARD PATTERNS

Products

0.3

+0.1
–0.15

1.7

1.0

0.3

OUT/IN

0.6±0.1

1.25± 0.1

Terminal functions
1 GND

2IN
3 GND
4 GND
5 OUT
6 GND

Dimensions in mm

Conformity to RoHS Directive

GND

0.8

2.4

ø0.3 Through-hole

Solder resist

0.6

This width is 50Ω.
Micro-strip line for 0.4mm thick glass-epoxy substrate.

Dimensions in mm

ELECTRICAL CHARACTERISTICS

Item Minimum value Typical value Maximum value
Insertion loss [470 to 710MHz] (dB) — 0.88 1
Ripple [470 to 710MHz] (dB) — 0.02 0.5
Attenuation [880 to 960MHz] (dB) 20 25 —
Return loss [470 to 710MHz] (dB) 10 15 —

Temperature range

• Ta: +25±5°C

Operating (°C) –40 — +85
Storage (°C) –40 — +85

• 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.

• All specifications are subject to change without notice.

001-02 / 20080113 / e731_dea200710lt_1238.fm

FREQUENCY CHARACTERISTICS

INSERTION LOSS

0

–0.5

)
dB

(

–1.0

–1.5

–2.0

Insertion loss

–2.5

–3.0

50 250 450 650 850 1050 1250 1450

1

2

Frequency(MHz

)

RETURN LOSS

20

10

)
dB

(

0

–10

–20

Return loss

–30

–40

50 250 450 650 850 1050 1250 1450

1

2

Frequency(MHz

)

1: 470MHz
–0.354dB
2: 710MHz
–0.888dB

1: 470MHz
–15.4dB
2: 710MHz
–23.2dB

ATTE NUAT IO N

0

–5

)

–10
–15

dB

(

–20
–25
–30
–35

Attenuation

–40
–45
–50

50 550 1050 1550 2050 2550

1

2

3

Frequency(MHz

VSWR

jV

1

0.8

0.6

0.4

0.2

–1

–0.2
–0.4
–0.6
–0.8

0

1

2

–1

U

1

)

1: 470MHz

1.41dB
2: 710MHz

1.15dB

1: 830MHz
–6.0dB
2: 880MHz
–25.6dB
3: 960MHz
–33.5dB

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• All specifications are subject to change without notice.

001-02 / 20080113 / e731_dea200710lt_1238.fm