beat frequency oscillator sentence in Hindi
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- The beat frequency oscillator was invented in 1901 by Canadian engineer Reginald Fessenden.
- The audio tone is usually created by use of a beat frequency oscillator.
- In order to make the carrier pulses audible in the receiver, a beat frequency oscillator is used.
- Reduction of the carrier level permits higher station to permit demodulation, usually by means of a beat frequency oscillator ( BFO ).
- Vacuum tubes were used by some of the older technologies popular in the 1960s and 70s, like beat frequency oscillator ( BFO ) detectors.
- Later airways were based on low / medium frequency ground stations, like the beat frequency oscillator ( BFO ) and the non-directional beacon ( NDB ).
- The heterodyne oscillator is the ancestor of the " beat frequency oscillator " ( BFO ) which is used to receive radiotelegraphy in communications receivers today.
- At the receiver, the received signal is mixed with a heterodyne signal from a BFO ( beat frequency oscillator ) to change the radio frequency impulses to sound.
- Today the heterodyne method is still used to receive CW signals, and the " beat frequency oscillator " ( BFO ) is a standard part of all communications receivers.
- On reception, the FSK signal is converted to the original tones by mixing the FSK signal with a local oscillator called the BFO or " beat frequency oscillator ".
- A separate oscillator, sometimes called a BFO ( Beat Frequency Oscillator ) was known from the early days of radio, but was rarely used to improve the regenerative detector.
- If you want to receive single side band or Morse code make sure it has a beat frequency oscillator . talk ) 21 : 30, 3 December 2011 ( UTC)
- Unlike the beat frequency oscillator or the induction balance machines which both used a uniform alternating current at a low frequency, the pulse induction machine simply magnetized the ground with a relatively powerful, momentary current through a search coil.
- The electromagnet is excited by stable radio-frequency alternating current produced by a local isochronous electro-mechanical oscillator known as a beat frequency oscillator or BFO . It consists of two chambers in the center of which is placed a vibrating membrane.
- See HF / DF for a discussion of SIGINT-captured information with a MASINT flavor, such as determining the frequency to which a " receiver " is tuned, from detecting the frequency of the beat frequency oscillator of the superheterodyne receiver.
- The heterodyne oscillator had to be retuned each time the receiver was tuned to a new station, but in modern superheterodyne receivers the BFO signal beats with the fixed intermediate frequency, so the beat frequency oscillator can be a fixed frequency.
- Another advantage of the circuit was that the tube could be made to oscillate, and thus a single tube could serve as both a beat frequency oscillator and a detector, functioning as a heterodyne receiver to make CW radiotelegraphy transmissions audible.
- The tone wheel acted as a crude beat frequency oscillator ( BFO ), introducing a second radio frequency which combined with the received signal to create a " beat " ( heterodyne ) frequency at the difference of the two frequencies, in the audio range.
- It is designed to mimic the tone generated by a typical radio receiver when a CW signal is converted to the intermediate frequency ( IF ), then mixed with the Beat frequency oscillator ( BFO ) frequency to generate a " difference frequency ", which is audible over the radio receiver loudspeaker or headphones.
- A "'tonewheel "'or "'tone wheel "'is a simple electromechanical apparatus for generating electric musical notes in electromechanical organ instruments such as the Hammond Organ . by Rudolph Goldschmidt and was first used in pre vacuum tube radio receivers as a beat frequency oscillator ( BFO ) to make continuous wave radiotelegraphy ( Morse code ) signals audible.
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