TDK HHM Series HHM1763B2 Manual de usuario

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001-01 / 20080106 / e751_hhm1763b2.fm

• All specifications are subject to change without notice.

Multilayer Chip Baluns

For EGSM/Tx & Rx

HHM Series HHM1763B2

SHAPES AND DIMENSIONS

CIRCUIT DIAGRAM

RECOMMENDED PC BOARD PATTERNS

ELECTRICAL CHARACTERISTICS

Unbalanced impedance 50Ω

Balanced impedance 150Ω

Frequency range 880 to 960MHz

Unbalanced port return loss 10dB min.

Phase imbalance at balanced port 180±10deg.

Amplitude imbalance at balanced port 0±1.0dB

Insertion loss 1.4dB max.

Temperature range Operating –40 to +85°C

Storage –40 to +85°C

Packaging style and quantities 4000pieces/reel

Conformity to RoHS Directive

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

123

564

Unbalanced

input

50Ω

Balanced

output

150Ω

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.

•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.

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001-01 / 20080106 / e751_hhm1763b2.fm

• All specifications are subject to change without notice.

FREQUENCY CHARACTERISTICS

Unbalance 50Ω/Balance 150Ω

RETURN LOSS

INSERTION LOSS

AMPLITUDE BALANCE

PHASE BALANCE

750 11001000 1050900850 950800

Frequency(MHz)

–30

–20

–25

–15

–10

–5

Return loss(dB)

1: 880.0MHz

–17.11dB

2: 920.0MHz

–21.27dB

3: 960.0MHz

–19.24dB

750 11001000 1050900850 950800

Frequency(MHz)

–5.0

–4.0

–4.5

–3.0

–3.5

–2.0

–2.5

–1.0

–1.5

–0.5

Insertion loss(dB)

1: 880.0MHz

–1.01dB

2: 920.0MHz

–0.90dB

3: 960.0MHz

–0.89dB

123

750 11001000 1050900850 950800

Frequency(MHz)

–4

–5

–2

–3

–1

Amplitude balance(dB)

1: 880.0MHz

–0.07dB

2: 920.0MHz

0.09dB

3: 960.0MHz

0.22dB

123

750 11001000 1050900850 950800

Frequency(MHz)

160

170

180

190

200

Phase balance(deg.)

1: 880.0MHz

177.70deg.

2: 920.0MHz

177.26deg.

3: 960.0MHz

176.73deg.

123

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