FAQ

1

Products

Q.
What kind of high-frequency products are offered by TDK?
  • Baluns
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  • Chip Antennas
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  • Diplexers
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  • Directional Couplers
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  • Dividers / Splitters
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  • Filters
    • /
  • Triplexers
Q.
Please provide details on board layout for TDK’s chip antennas.
  • Chip Antennas
Q.
Cannot do the board layout as specified in the data sheet; doesn't it work?
  • Chip Antennas
Q.
What are the specifications for the components (capacitors, inductors) for matching?
  • Chip Antennas
Q.
Is it possible to use the inner layer of the layout portion of the antenna for other wiring?
  • Chip Antennas
Q.
How should the antenna and the module (IC) be connected?
  • Chip Antennas
Q.
Is mass production delivery possible with substrate + cable?
  • Chip Antennas
Q.
There are several products for the same application, what is the difference?
  • Chip Antennas
Q.
What is a balun?
  • Baluns
Q.
What is the purpose of the filter?
  • Filters
Q.
What is a directional coupler?
  • Directional Couplers
Q.
What is a diplexer?
  • Diplexers
Q.
Please explain what is meant by the last part of the part number.
  • Diplexers
Q.
What is the difference between duplexer and diplexer?
  • Diplexers
Q.
What is a triplexer?
  • Triplexers

Electrical Characteristics

Q.
Is customized support possible?
  • Baluns
    • /
  • Chip Antennas
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  • Diplexers
    • /
  • Directional Couplers
    • /
  • Dividers / Splitters
    • /
  • Filters
    • /
  • Triplexers
Q.
I want S-Parameter data.
  • Filters
    • /
  • Diplexers
    • /
  • Triplexers
    • /
  • Baluns
    • /
  • Directional Couplers
Q.
The product was equipped according to the data sheet, but it did not give the same performance.
  • Chip Antennas
Q.
Unable to do matching work well.
  • Chip Antennas
Q.
Is it possible to operate with a substrate which is different from the one shown in the data sheet?
  • Chip Antennas
Q.
How much is the communication distance?
  • Chip Antennas
Q.
How much are gain and radiation efficiency?
  • Chip Antennas
Q.
Is there a difference in characteristics between the case where the substrate alone is used and the case where it is placed in a case?
  • Chip Antennas
Q.
Please advise on the actual use of DC feed terminal (DC feed + RF GND or GND).
  • Baluns
Q.
What is the process for HHM1525 / HHM1526 multilayer balun's NC terminal (Terminal No. 6)? What are the characteristics difference between GND and open?
  • Baluns

Environmental Compatibility

Q.
What should I do if I want environment information data?
  • Baluns
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  • Chip Antennas
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  • Diplexers
    • /
  • Directional Couplers
    • /
  • Dividers / Splitters
    • /
  • Filters
    • /
  • Triplexers

Product Quality and Service Life

Q.
What is FIT/Failure Rate?
  • Baluns
    • /
  • Chip Antennas
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  • Diplexers
    • /
  • Directional Couplers
    • /
  • Filters
    • /
  • Triplexers

Reliability

Q.
What should I do if I want reliability test data?
  • Baluns
    • /
  • Chip Antennas
    • /
  • Diplexers
    • /
  • Directional Couplers
    • /
  • Dividers / Splitters
    • /
  • Filters
    • /
  • Triplexers

Technical support tools

Q.
Do you have any materials that explain an overview of TDK chip antennas?
  • Chip Antennas
Q.
What are technical support tools?
  • Multilayer Ceramic Chip Capacitors
    • /
  • Chip Beads
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  • 3-terminal Filters
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  • Signal Line Common Mode Chokes/Filters
    • /
  • Noise Suppression Filters
    • /
  • Baluns
    • /
  • Dividers / Splitters
    • /
  • Chip Varistors / Ceramic Transient Voltage Suppressors
    • /
  • Pulse Transformers and Modules for LAN