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CMC AREA
CMCs General Physics (20)
PHYSICS >
Radio frequency measurements (20)
Antenna properties: antenna factor (3)
Scalar RF reflection coefficient and attenuation: attenuation in coaxials (3)
Antenna properties: antenna gain (2)
RF voltage and current: RF-DC difference (2)
RF power: calibration factor and effective efficiency in coaxials (2)
Noise: noise temperature or excess noise ratio in coaxials (1)
Noise: noise temperature or excess noise ratio in waveguides (1)
RF power: absolute power in coaxials (1)
RF power: calibration factor and effective efficiency in waveguides (1)
Scattering parameters: reflection coefficient (Sii) in coaxials (1)
Scattering parameters: reflection coefficient (Sii) in waveguides (1)
Scattering parameters: transmission coefficient (Sij) in coaxials (1)
GEOGRAPHIC LOCATION
APMP (20)
Korea, Republic of (20)
Result of the search
Your query 'kriss' produced 20 results New search

 
Korea, Republic of, KRISS (Korea Research Institute of Standards and Science)
Complete CMCs in Electricity and Magnetism for Korea, Republic of (.PDF file)
RF power: calibration factor and effective efficiency in coaxials. Power sensor: 50 , Type-N, 0.9 to 1
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in %: 1
DC substitution
Frequency: 100 kHz to 18 GHz
Connector: Type-N
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.1.3a
 
RF power: calibration factor and effective efficiency in coaxials. Power sensor: 50 , PC-7, 0.9 to 1
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in %: 1
DC substitution
Frequency: 100 kHz to 18 GHz
Connector: PC-7
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.1.3b
 
RF power: calibration factor and effective efficiency in waveguides. Power sensor: waveguide, 0.9 to 1
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in %: 1 to 1.5
DC substitution
Frequency: 8.2 GHz to 40 GHz
Waveguide band: WR90, WR62, WR42, WR28
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.1.4
Uncertainty table
 
Scalar RF reflection coefficient and attenuation: attenuation in coaxials. Passive device, 0 dB to 90 dB
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.001 to 0.01
Direct substitution
Frequency: 30 MHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.2.3
 
Scalar RF reflection coefficient and attenuation: attenuation in coaxials. Passive device, 0 dB to 90 dB
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.015 to 0.06
IF substitution
Frequency: 10 MHz to 18 GHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.2.3
 
Scalar RF reflection coefficient and attenuation: attenuation in coaxials. Passive device, step attenuator, 0.01 dB to 100 dB
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.003 to 0.02
RF substitution
Frequency: 10 MHz to 40 GHz
Connector: Type-N, PC-7, PC-3.5, PC-2.4
Reflection coefficient: <= 0.005
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.2.3
Uncertainty table
 
Scattering parameters: reflection coefficient (Sii) in coaxials. Passive device: 50 one and two port devices, 0 to 1
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 0.013 to 0.044
Vector network analyser
Frequency: 45 MHz to 50 GHz
Connector: Type-N, PC-7, PC-3.5, PC-2.4
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.3.1
Uncertainty table
 
Scattering parameters: reflection coefficient (Sii) in waveguides. Passive device: waveguide, 0 to 1
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 0.01 to 0.013
Vector network analyser
Frequency: 8.2 GHz to 40 GHz
Waveguide band: WR90, WR62, WR42, WR28
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.3.2
Uncertainty table
 
Noise: noise temperature or excess noise ratio in coaxials. Noise source, 5 dB to 21 dB
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.3
Radiometer
Frequency: 10 MHz to 26.5 GHz
Connector: Type-N, PC-7, PC-3.5
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.4.1
Uncertainty table
 
Noise: noise temperature or excess noise ratio in waveguides. Noise source, 5 dB to 17 dB
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.1
Radiometer
Frequency: 8.2 GHz to 18 GHz
Waveguide band: WR90, WR62
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.4.2
Uncertainty table
 
Antenna properties: antenna gain. OEG antenna, 0 dB to 10 dB
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 1
Three antenna method
Frequency: 0.5 GHz to 1.1 GHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.5.2a
 
Antenna properties: antenna gain. Horn antenna, 10 dB to 30 dB
Absolute expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.5 to 1
Three antenna method
Frequency: 0.5 GHz to 50 GHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.5.2b
 
RF voltage and current: RF-DC difference. Thermal voltage converter: RF voltmeter, 0 to 0.2
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in %: 1
Direct comparison
Frequency: 1 MHz to 1 GHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.7.1a
 
RF voltage and current: RF-DC difference. Thermal voltage converter: RF voltmeter, 0 to 0.1
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in %: 1
Direct comparison
Frequency: 1 MHz to 100 MHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.7.1b
 
RF power: absolute power in coaxials. Power meter, 1E-06 W to 50 W
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1 to 1.5
Power transfer
Frequency: 1 MHz to 1 GHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.1.1
Uncertainty table
 
Scattering parameters: transmission coefficient (Sij) in coaxials. Passive device: 50 , two port devices, 0.0032 to 1
Relative expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.39 to 0.87
Vector network analyser
Frequency: 45 MHz to 50 GHz
Connector: Type-N, PC-7, PC-3.5, PC-2.4
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.3.3
Uncertainty table
 
Scattering parameters: transmission coefficient (Sij) in waveguides. Passive device: waveguide, 0.0032 to 1
Relative expanded uncertainty (k = 2, level of confidence 95%) in dB: 0.077 to 0.33
Vector network analyser
Frequency: 8.2 GHz to 40 GHz
Waveguide band: WR90, WR62, WR42, WR28
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.3.4
Uncertainty table
 
Antenna properties: antenna factor. Dipole, biconical, log periodic antennas, -5 dB/m to 40 dB/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 20
Standard antenna method
Frequency: 30 MHz to 1000 MHz
Connector: Type-N
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.5.1a
Uncertainty table
 
Antenna properties: antenna factor. Rod antenna, -5 dB/m to 90 dB/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 20
Standard field method
Frequency: 9 kHz to 300 MHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.5.1b
 
Antenna properties: antenna factor. Loop antenna, -5 dB/m to 90 dB/m
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 10
Standard field method
Frequency: 20 Hz to 30 MHz
Approved on 10 November 2014
Internal NMI service identifier: KRISS/11.5.1c