Frequency Response: A range of sound frequencies from low to high. A measurement of the limits of microphones, recording and playback machines, and other audio equipment.

 

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Frequency Response: The range of frequencies that a speaker will reproduce (lowest frequency to the highest). While the optimal normal is 20 - 20,000 Hz (Hertz), the range of human hearing for individuals is of . . . View Full Definition

Flat Response: An output signal in which fundamental frequencies and harmonics are in the same proportion as those of the input signal being amplified. A flat frequency response would exhibit relatively eq . . . View Full Definition

Audio Frequency Spectrum: The band of frequencies extending roughly from 20 Hz to 20 khz and encompassing the full range of normal human hearing.

Pulse Repetition Frequency (PRF): The number of radar pulses transmitted each second. The pulse transmission rate is automatically lengthened for longer ranges.

Radio Frequency Identification (RFID): RFID first appeared in tracking and access applications during the 1980s. It is a method of remotely storing and retrieving data using devices called RFID tags/transponders and is coming int . . . View Full Definition

Radio Frequency Interference (RFI): A high-frequency signal radiated by improperly shielded conductors. RFI can interfere with the operation of other electronic devices.

Low Frequency: Refers to radio frequencies within the 30-300 khz band. In audio it usually refers to frequencies in the 20-160 Hz band.

Radio Frequency (Rf): An alternating current or voltage with a frequency (or carrier wave) above about 100khz. It's called radio frequency because these frequencies have a capacity to be radiated as electromagnet . . . View Full Definition

Linear Phase Response: Any system which accurately preserves phase relationships between frequencies.

Horizonal Sync Frequency: The number of times per the number of times per electron beam can trace a pattern like this