We introduce frequently asked questions and consultations from our customers.
Q.What is the role of a matching box?
A.

What is the role of a matching box?

Q.How to adjust matching?
A.

How to adjust matching?

Q.What is a preset?
A.

What is a preset?

Q.What kind of function is superimposition?
A.

What kind of function is superimposition?

Q.What is VPP, VDC?
A.

What is VPP, VDC?

Q.I am having trouble with noise leaking from equipment that uses a high frequency power supply. Please tell me the measures.
A.

I am having trouble with noise leaking from equipment that uses a high frequency power supply. Please tell me the measures.

Q.Why is the output impedance of a high frequency power supply 50Ω?
A.

Why is the output impedance of a high frequency power supply 50Ω?

Q.What are ICP and CCP?
A.

What are ICP and CCP?

Q.When is simultaneous excitation and phase shifter necessary?
A.

When is simultaneous excitation and phase shifter necessary?

Q.Please tell me about coaxial connectors and coaxial cables that can be used for high frequencies.
A.

Please tell me about coaxial connectors and coaxial cables that can be used for high frequencies.

Q.Please tell me about the high frequency usage application form.
A.

Please tell me about the high frequency usage application form.

Q.Please tell me about coaxial connectors and coaxial cables that can be used for high frequencies.
A.

Coaxial connectors and coaxial cables used in high frequency power supplies are made with an impedance of 50Ω.
Specify the approximate specifications of the connector and cable.

BNC type connector...Used for small signal power (approx. 50W)
*Cable compatible with the above 3D-2V, RG-58A/U, RG-59/U

N type connector...general high frequency connector (approximately 500W to 1000W)
*Cable compatible with the above RG-8/U, RG-393

HN type connector...High voltage resistant connector of N type connector (approximately 1kW to 5kW)
*Cable compatible with the above RG-8/U, RG-14/U, RG-393

7/16 type connector...High power connector (approximately 5kW to 7kW)
*Cable compatible with the above RG-14/U, RG-393

LC type connector...High power connector (approximately 5kW to 10kW)
*Cable compatible with the above RG-17/U

Please feel free to contact us regarding coaxial connectors, conversion connectors, high voltage cables, etc.

Q.Please tell me about the high frequency usage application form.
A.

10kHz以上の高周波および高周波出力が50W以上の製品に関しましては、
高周波利用設備から漏洩する電波が他の無線通信に妨害を与えるおそれがあるため、
設置又は変更する前に許可を受ける必要があり高周波利用設備の申請が必要になります。
なお、ISMバンドであっても50W以上の製品は申請が必要です。

詳しくは下記URLをご参照下さい。
https://www.soumu.go.jp/soutsu/chugoku/fieldinfo/01sotsu08_01000769.html