heterodyne receiver sentence in Hindi

Examples

1. After vacuum tube oscillators were invented in 1913 by Alexander Meissner the heterodyne receiver replaced the tikker.
2. But quenching with overtones acts further as a heterodyne receiver mixing additional unneeded signals from those bands into the working frequency.
3. Around 1915 the tikker was replaced by a better means of accomplishing the same thing; the " heterodyne receiver " invented by Reginald Fessenden in 1902.
4. 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.
5. Examples of detectors common in spectroscopy include heterodyne receivers in the microwave, bolometers in the millimeter-wave and infrared, mercury cadmium telluride and other cooled semiconductor detectors in the infrared, and photodiodes and photomultiplier tubes in the visible and ultraviolet.