Multilayer Chip Baluns

For DVB-H/ISDB-T

HHM Series HHM1591A2

SHAPES AND DIMENSIONS

 

 

2.0±0.15

 

 

 

0.95±0.1

 

 

 

 

 

 

6

 

5

 

4

 

 

 

 

 

 

 

 

 

 

 

0.25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

±0.15

 

 

 

 

 

 

1

 

2

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.25

 

 

0.1+ –0.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminal functions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.65±0.2

 

 

 

0.3±0.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Unbalanced port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

GND or DC feed+ RF GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

Balanced port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Balanced port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

N.C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.2

±

0.2

0.35±

0.2

 

 

 

Dimensions in mm

CIRCUIT DIAGRAM

6

5

4

Unbalanced

 

Balanced

input

 

output

50Ω

 

100Ω

1

2

3

RECOMMENDED PC BOARD PATTERNS

(1/2)

Conformity to RoHS Directive

0.30.2 This width is 50Ω.

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

0.8

6

0.6

 

0.8

1

 

5

2

4

3

 

 

 

 

ø0.3 Through-hole

0.3

 

 

 

 

 

 

 

 

 

Dimensions in mm

ELECTRICAL CHARACTERISTICS

Unbalanced impedance

50Ω

Balanced impedance

100Ω

Frequency range

350 to 950MHz

Unbalanced port return loss

4.5dB min.

Phase imbalance at balanced port

180±20deg.

Amplitude imbalance at balanced port

0±2.0dB

Insertion loss

2.8dB max.

Temperature range

Operating

–40 to +85°C

Storage

–40 to +85°C

 

Packaging style and quantities

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.

001-01 / 20080105 / e751_hhm1591a2.fm

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TDK DVB-H/ISDB-T, HHM1591A2 specifications Shapes and Dimensions, Circuit Diagram, Recommended PC Board Patterns
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HHM1591A2, DVB-H/ISDB-T specifications

The TDK DVB-H/ISDB-T, HHM1591A2 is a highly specialized module designed for the robust and efficient transmission of digital television signals. Targeted primarily at mobile devices and portable applications, it operates under two key broadcast standards: Digital Video Broadcasting - Handheld (DVB-H) and Integrated Services Digital Broadcasting - Terrestrial (ISDB-T). This dual capability enables the HHM1591A2 to cater to a broad range of markets, ensuring compatibility with numerous existing technologies and systems in use worldwide.

One of its standout features is its advanced signal processing capabilities. The HHM1591A2 uses sophisticated demodulation techniques that allow for high-quality reception, even in challenging environments. This is particularly beneficial for users who require seamless viewing experiences while on the move, such as commuters or outdoor enthusiasts. Its ability to handle mobile reception effectively makes it an attractive option for manufacturers looking to integrate DVB-H or ISDB-T capabilities into their devices.

Another notable characteristic of the HHM1591A2 is its low power consumption. Designed with the aim of optimizing energy efficiency, it is ideal for battery-operated devices, extending usage time without sacrificing performance. This feature is particularly critical in the era of increasing energy awareness and sustainability concerns, making the HHM1591A2 not just a technological marvel, but also an environmentally conscious choice.

Furthermore, the module supports a variety of audio and video coding formats, enhancing its versatility. It can accommodate multiple channels and high-definition content transmission, ensuring that users receive a superior viewing experience. The flexibility of the module enables integration with various multimedia applications, adding significant value to the end product.

In terms of physical characteristics, the HHM1591A2 is compact and lightweight, making it suitable for integration into a wide range of devices, from smartphones to portable media players. Its robust build quality also ensures reliability and longevity, crucial for consumer devices subjected to regular usage.

In conclusion, the TDK DVB-H/ISDB-T, HHM1591A2 is a cutting-edge solution for mobile digital television broadcasting. With its combination of advanced technologies, energy efficiency, and versatility, it stands out as an excellent choice for manufacturers and developers aiming to deliver enhanced viewing experiences on mobile platforms. As digital broadcasting continues to evolve, the HHM1591A2 positions itself as a competitive player in the rapidly growing market of mobile television solutions.
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