Title:
A noise floor level reduction device and a noise floor level reducing method
Document Type and Number:
Japanese Patent JP6275084
Kind Code:
B2
Abstract:
Provided are a noise floor level reduction device and a noise floor level reduction method capable of reducing a noise floor level. A transmission power measurement system 10 is installed before a signal measurement device 20 including a noise floor level measurement unit 22 that measures a noise floor level, and a measurement unit 24 that subtracts the noise floor level from a level of a signal from a DUT 2 to calculate a level of a signal after subtraction, and includes an LNA 17 provided between the DUT 2 and the signal measurement device 20 for amplifying the signal from the DUT 2, and a termination resistor 16 that terminates an input of the LNA 17, and the termination resistor 16 terminates the input of the LNA 17 in a case in which the noise floor level measurement unit 22 measures the noise floor level.
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Inventors:
Yoshio Shiozawa
Shinichi Ito
Inokomaru Momoko
Shinichi Ito
Inokomaru Momoko
Application Number:
JP2015141421A
Publication Date:
February 07, 2018
Filing Date:
July 15, 2015
Export Citation:
Assignee:
Anritsu Co., Ltd.
International Classes:
G01R23/173; G01R29/26; H04B17/345
Domestic Patent References:
| JP11264736A | ||||
| JP5209907A | ||||
| JP63314474A | ||||
| JP2000180483A | ||||
| JP2014190943A | ||||
| JP2015064268A | ||||
| JP5063663A |
Foreign References:
| US20050137814 | ||||
| US6263289 |
Attorney, Agent or Firm:
Gunichiro Ariga