Frequency range
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A frequency range or frequency band is a range of wave frequencies. It most often refers to either a range of frequencies in sound or a range of frequencies in electromagnetic radiation, which includes light and radio waves.
Many radio devices operate within a specified frequency range which limits the frequencies on which it is allowed to transmit. The lower-bound and upper-bound frequencies are the points at which signal strength of the device falls off by 3 dB.
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[edit] Music
The frequency range of a musical instrument is called ambitus.
[edit] CATV Cable Amplifier
The Frequency Range of a CATV amplifier are categorised as mentioned below;
- Low Frequency Range are 1 Hz to 150 MHz.
- Intermediate Frequency Range are 151 MHz to 299 MHz.
- High Frequency Range are 300 MHz to 50 GHz.
[edit] Optical signal amplifier
The Frequency Range of Optical signal amplifier are categorised as below;
Low frequency range = 1 kHz to 299 MHz
High frequency range = 300 MHz to 50 GHz
[edit] See also
- Band (radio)
- Bandwidth (signal processing)
- Cutoff frequency
- Decibel (physics unit - dB)
- Electromagnetic spectrum
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