TDK DEA Series DEA201990LT-9003D1 Manuale utente

(1/2)

001-02 / 20080123 / e731_dea201990lt_9003.fm

• All specifications are subject to change without notice.

Multilayer Chip Low Pass Filters

For GSM/DCS/PCS 2in1

DEA Series DEA201990LT-9003D1

SHAPES AND DIMENSIONS

RECOMMENDED PC BOARD PATTERNS

Conformity to RoHS Directive

0.6±0.1

1.25±0.1

0.65±0.1

0.2±0.2 0.35±0.2

2.0±0.1

654

123

Dimensions in mm

0.3±0.2

0.25+0.1

–0.2

1 Band1 output(Input)

2 GND

3 Band2 output(Input)

4 Band2 input(Output)

5 GND

6 Band1 input(Output)

Terminal functions

0.3

0.35

1.0 1.0

ø0.3 Through-hole Dimensions in mm

0.7

0.4

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.

(2/2)

001-02 / 20080123 / e731_dea201990lt_9003.fm

• All specifications are subject to change without notice.

ELECTRICAL CHARACTERISTICS

A-GSM+E-GSM(Band1)

DCS+PCS(Band2)

• Ta: 25±5°C

FREQUENCY CHARACTERISTICS

ATTENUATION RETURN LOSS

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 —

Attenuation

[1648 to 1698MHz] (dB) 30 36 —

[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

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 —

Attenuation

[3420 to 3570MHz] (dB) 30 37 —

[3700 to 3980MHz] (dB) 30 35 —

[5130 to 5355MHz] (dB) 35 41 —

[5550 to 5970MHz] (dB) 35 40 —

Temperature range Operating (°C) –40 — +85

Storage (°C) –40 — +85

500 55002500 3500 45001500

Frequency(MHz)

–60

–40

–50

–20

–30

–10

Attenuation(dB)

1: 1648.0MHz

–37.55dB

2: 1830.0MHz

–32.83dB

3: 2475.0MHz

–60.54dB

4: 2745.0MHz

–48.02dB

GSM DCS/PCS

5: 3420.0MHz

–40.57dB

6: 3980.0MHz

–34.32dB

7: 5130.0MHz

–41.69dB

8: 5970.0MHz

–39.91dB

500 30001000 1500 2000 2500

Frequency(MHz)

–20

–30

–10

Return loss(dB)

1: 824.0MHz

–15.35dB

2: 915.0MHz

–13.88dB

GSM DCS/PCS

3: 1710.0MHz

–12.89dB

4: 1990.0MHz

–11.34dB

Indice

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