TDK HHM1727D1 User Manual

(1/2)

Multilayer Chip Baluns
For WiMAX

HHM Series HHM1727D1

SHAPES AND DIMENSIONS

1.6± 0.1

654

123

0.55± 0.1

0.1±0.1 0.25 ±0.1

CIRCUIT DIAGRAM

Unbalanced
input

50

Ω

0.6± 0.1

0.8± 0.1

0.3± 0.1

Dimensions in mm

564

Balanced
output

50Ω

123

Terminal functions
1 Unbalanced port

2 GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.

Conformity to RoHS Directive

RECOMMENDED PC BOARD PATTERNS

0.950.15

0.250.250.3

0.5

0.85

0.2

0.5

Unbal port Bal port

Line width be designed to match 50Ω characteristic impedance depending on
PCB material and thickness.

0.3

ø0.3 Through-hole

Land

Dimensions in mm

ELECTRICAL CHARACTERISTICS

Unbalanced impedance 50Ω
Balanced impedance 50Ω
Frequency range 00 to 33 3900MHz
Unbalanced port return loss 10dB min.
Phase imbalance at balanced port 180±15deg
Amplitude imbalance at balanced port 0±1.5dB
Insertion loss 1.2dB

[800 to 960MHz] 11dB min.

Attenuation

Powe r capacity 0.5W max.

Temperature range

Packaging style and quantities 4000pieces/reel

[1700 to 1900MHz] 4dB min.
[1900 to 1980MHz] 3.5dB min.(4dB typ.)

Operating –40 to +85°C
Storage –40 to +85°C

• 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 / 20080106 / e751_hhm1727d1.fm

FREQUENCY CHARACTERISTICS

Unbalance 50Ω/Balance 50Ω

RETURN LOSS

0

–5

)

–10

dB

(

–15

–20

–25

–30

Return loss

–35
–40

1500 20001000 2500 3000 3500 4000 4500 5000

500

Frequency(MHz

1

2

3

)

INSERTION LOSS

0

–5

)

–10

dB

(

–15

–20

–25

–30

Insertion loss

–35

–40

500

1500 20001000 2500 3000 3500 4000 4500 5000

Frequency(MHz

2

3

1

)

1: 3300.0MHz
–14.14dB
2: 3600.0MHz
–20.18dB
3: 3900.0MHz
–24.30dB

1: 3300.0MHz
–0.77dB
2: 3600.0MHz
–0.63dB
3: 3900.0MHz
–0.65dB

AMPLITUDE BALANCE

5

)

4

dB

3

(

2
1

0
–1
–2
–3
–4

Amplitude balance

–5

500

1500 20001000 2500 3000 3500 4000 4500 5000

Frequency(MHz

PHASE BALANCE

200

)

190

deg.

(

180

170

Phase balance

160

500

1500 20001000 2500 3000 3500 4000 4500 5000

Frequency(MHz

(2/2)

1: 3300.0MHz
–0.21dB
2: 3600.0MHz
–0.17dB
3: 3900.0MHz

3

2

1

)

3

2

1

)

–0.09dB

1: 3300.0MHz

177.50deg.
2: 3600.0MHz

177.64deg.
3: 3900.0MHz

177.98deg.

• All specifications are subject to change without notice.

001-02 / 20080106 / e751_hhm1727d1.fm