TDK HHM1521 User's Manual

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TDK HHM1521 User's Manual | Manualzz

(1/2)

Conformity to RoHS Directive

Multilayer Chip Baluns

For Bluetooth & 2.4GHz W-LAN

HHM Series HHM1521

SHAPES AND DIMENSIONS

6

2.0

±0.15

5 4

0.95

±0.1

1

0.65

2

±0.2

3

0.2

±0.2 0.35±0.2

0.3

±0.2

Terminal functions

1 Unbalanced port

2 GND or DC feed+ RF GND

3 Balanced port

4 Balanced port

5 GND

6 N.C.

Dimensions in mm

CIRCUIT DIAGRAM

Unbalanced input

50

1

6 5 4

2 3

Balanced output

200

RECOMMENDED PC BOARD PATTERNS

0.3

0.2

This width is 50

Ω.

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

6 5 4

1 2 3

0.7

0.3

ø0.3 Through-hole

Dimensions in mm

ELECTRICAL CHARACTERISTICS

Unbalanced impedance

Balanced impedance

Frequency range

Unbalanced port return loss

Phase imbalance at balanced port

Amplitude imbalance at balanced port

Insertion loss

Temperature range

Operating

Storage

Packaging style and quantities

50

200 Ω

2400 to 2500MHz

10dB min.

180±10deg.

0±2.0dB

1.0dB max.

–40 to +85°C

–40 to +85°C

2000pieces/reel

• 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.

001-03 / 20080106 / e751_hhm1521.fm

FREQUENCY CHARACTERISTICS

Unbalance 50

/Balance 200

RETURN LOSS

0

–5

( dB –10

–15

–20

–25

1

2

–30

2100 2200 2300 2400 2500 2600 2700

Frequency(MHz)

1: 2400MHz

–13.08dB

2: 2500MHz

–14.96dB

INSERTION LOSS

( dB

0.0

–0.5

–1.0

–1.5

–2.0

–2.5

1 2

–3.0

–3.5

–4.0

–4.5

–5.0

2100 2200 2300 2400 2500 2600 2700

Frequency(MHz)

1: 2400MHz

–0.82dB

2: 2500MHz

–0.76dB

AMPLITUDE BALANCE

( dB

5

4

3

2

1

0

–1

–2

–3

–4

1 2

–5

2100 2200 2300 2400 2500 2600 2700

Frequency(MHz)

1: 2400MHz

–0.45dB

2: 2500MHz

–0.57dB

PHASE BALANCE

( deg.

205

200

195

190

185

180

175

170

165

160

1 2

155

2100 2200 2300 2400 2500 2600 2700

Frequency(MHz)

1: 2400MHz

180.7deg.

2: 2500MHz

181.3deg.

(2/2)

• All specifications are subject to change without notice.

001-03 / 20080106 / e751_hhm1521.fm

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