TDK DEA201990LT-9003D1 User Manual

(1/2)

Multilayer Chip Low Pass Filters
For GSM/DCS/PCS 2in1

DEA Series DEA201990LT-9003D1

SHAPES AND DIMENSIONS

2.0± 0.1

654

+0.1

–0.2

123

0.25

0.65± 0.1

0.2± 0.2 0.35± 0.2

0.3±0.2

RECOMMENDED PC BOARD PATTERNS

0.35

0.6±0.1

1.25± 0.1

Terminal functions
1 Band1 output(Input)

2 GND
3 Band2 output(Input)
4 Band2 input(Output)
5 GND
6 Band1 input(Output)

Dimensions in mm

0.35
This width is 50Ω.

Micro-strip line for 0.4mm thick
glass-epoxy substrate.

Conformity to RoHS Directive

1.0

1.0

0.7

0.3

0.4

ø0.3 Through-hole

Dimensions in mm

• 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 / 20080123 / e731_dea201990lt_9003.fm

ELECTRICAL CHARACTERISTICS

A-GSM+E-GSM(Band1)

Item Minimum value Typical value Maximum value
Frequency range [824 to 915MHz]
Characteristics impedance 50Ω(Nominal)
Insertion loss (dB) — 0.4 1
Return loss (dB) 10 14 —

[1648 to 1698MHz] (dB) 30 36 —

Attenuation

[1760 to 1830MHz] (dB) 30 33 —
[2472 to 2547MHz] (dB) 35 60 —
[2640 to 2745MHz] (dB) 35 50 —

Temperature range

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

DCS+PCS(Band2)

Item Minimum value Typical value Maximum value
Frequency range [1710 to 1990MHz]
Characteristics impedance 50Ω(Nominal)
Insertion loss (dB) — 0.48 1
Return loss (dB) 10 12 —

[3420 to 3570MHz] (dB) 30 37 —

Attenuation

Temperature range

• Ta: 25±5°C

[3700 to 3980MHz] (dB) 30 35 —
[5130 to 5355MHz] (dB) 35 41 —
[5550 to 5970MHz] (dB) 35 40 —
Operating (°C) –40 — +85
Storage (°C) –40 — +85

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FREQUENCY CHARACTERISTICS

ATTENUATION RETURN LOSS

0

–10

)

dB

–20

(

–30

–40

Attenuation

–50

–60

500 55002500 3500 45001500

Frequency(MHz

)

GSM DCS/PCS

1: 1648.0MHz
–37.55dB
2: 1830.0MHz
–32.83dB
3: 2475.0MHz
–60.54dB
4: 2745.0MHz
–48.02dB

5: 3420.0MHz
–40.57dB
6: 3980.0MHz
–34.32dB
7: 5130.0MHz
–41.69dB
8: 5970.0MHz
–39.91dB

0

)

dB

(

–10

–20

Return loss

–30

2

1

500 30001000 1500 2000 2500

4

3

Frequency(MHz

GSM DCS/PCS

1: 824.0MHz
–15.35dB
2: 915.0MHz
–13.88dB

)

3: 1710.0MHz
–12.89dB
4: 1990.0MHz
–11.34dB

• All specifications are subject to change without notice.

001-02 / 20080123 / e731_dea201990lt_9003.fm