TDK HHM Series HHM1711E1 Manuale utente

(1/2)

001-02 / 20080106 / e751_hhm1711e1.fm

• All specifications are subject to change without notice.

Multilayer Chip Baluns

For WiMAX

HHM Series HHM1711E1

SHAPES AND DIMENSIONS

0.6±0.1

0.8±0.1

0.3±0.1

0.1±0.1 0.25±0.1

1.6±0.1

654

123

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

CIRCUIT DIAGRAM

123

564

Unbalanced

input

50Ω

Balanced

output

100Ω

RECOMMENDED PC BOARD PATTERNS

0.3

0.25

0.6 0.3 0.6

ø0.3 Through-hole Dimensions in mm

0.7

0.3

654

123

This width is 50Ω.

Micro-strip line for 0.4mm thick

glass-epoxy substrate.

ELECTRICAL CHARACTERISTICS

Unbalanced impedance 50Ω

Balanced impedance 100Ω

Frequency range 300 to 22 700MHz

Unbalanced port return loss 10dB min.

Phase imbalance at balanced port 180±12deg

Amplitude imbalance at balanced port 0±1.5dB

Insertion loss 1.2dB max.

Power capacity 0.5W max.

Temperature range Operating –40 to +85°C

Storage –40 to +85°C

Packaging style and quantities 4000pieces/reel

Conformity to RoHS Directive

•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 / 20080106 / e751_hhm1711e1.fm

• All specifications are subject to change without notice.

FREQUENCY CHARACTERISTICS

Unbalance 50Ω/Balance 100Ω

RETURN LOSS

–40

2000 2200 23002100 2400 2500 2600 2700 2800 2900 3000

–20

–25

–30

–35

–15

–10

–5

Return loss(dB)

Frequency(MHz)

1: 2300.0MHz

–14.11dB

2: 2500.0MHz

–15.68dB

3: 2700.0MHz

–14.58dB

123

INSERTION LOSS

2000 2200 23002100 2400 2500 2600 2700 2800 2900 3000

Frequency(MHz)

1: 2300.0MHz

–0.72dB

2: 2500.0MHz

–0.65dB

3: 2700.0MHz

–0.70dB

–5.0

–2.0

–2.5

–3.0

–3.5

–4.0

–4.5

–1.5

–1.0

–0.5

0.0

Insertion loss(dB)

123

AMPLITUDEBALANCE

2000 2200 23002100 2400 2500 2600 2700 2800 2900 3000

Frequency(MHz)

1: 2300.0MHz

–0.21dB

2: 2500.0MHz

0.14dB

3: 2700.0MHz

0.34dB

–5

–1

–2

–3

–4

Amplitude balance(dB)

123

PHASE BALANCE

2000 2200 23002100 2400 2500 2600 2700 2800 2900 3000

Frequency(MHz)

160

180

170

190

200

Phase balance(deg.)

123

1: 2300.0MHz

176.16deg.

2: 2500.0MHz

177.10deg.

3: 2700.0MHz

179.18deg.

Indice

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