Power measurement methods for RF
**Peak** = instantaneous maximum read with storage memory ( digital or Analog )often measured with Log Amplifiers calibrated in dBm for 50 or 75 Ohms
**Average** = time interval averaged over specified interval
Both above are computed by voltage detection into fixed resistance, calibrated to be ideal over spectrum bandwidth.
**True RMS** = measured by temperature rise in a fixed resistance with precision mW vs Temp rise calibration
Other
**Quasi-Peak** = Peak with a limited rise time, developed by CISPR to emulate human ear response (<20kHz) for RFI measurements on radios since WWII.
**equivalent radiated power (ERP)** is determined by subtracting insertion losses and adding system gains such as antenna directionality.
**Peak** = instantaneous maximum read with storage memory ( digital or Analog )often measured with Log Amplifiers calibrated in dBm for 50 or 75 Ohms
**Average** = time interval averaged over specified interval
Both above are computed by voltage detection into fixed resistance, calibrated to be ideal over spectrum bandwidth.
**True RMS** = measured by temperature rise in a fixed resistance with precision mW vs Temp rise calibration
Other
**Quasi-Peak** = Peak with a limited rise time, developed by CISPR to emulate human ear response (<20kHz) for RFI measurements on radios since WWII.
**equivalent radiated power (ERP)** is determined by subtracting insertion losses and adding system gains such as antenna directionality.
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