superheterodyne receiver वाक्य
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- Crystal-controlled superheterodyne receivers with better selectivity and stability made control equipment more capable and at lower cost.
- Modern radio tuners use a superheterodyne receiver with tuning selected by adjustment of the frequency of a local oscillator.
- A single transistor combines the functions of amplifier, mixer and local oscillator of an otherwise conventional superheterodyne receiver.
- The TR-1 was a superheterodyne receiver made with four n-p-n transistors and one diode.
- Most superheterodyne receivers designed for broadcast FM ( 88-108 MHz ) use an IF of 10.7 MHz.
- Dynamic calibration is needed when there are long waveguide runs between the antenna and first down converter ( see Superheterodyne receiver ).
- Most receivers are actually superheterodyne receivers and they leak a little of their local oscillator frequency; this can be easily detected.
- Early superheterodyne receivers used IFs as low as 20 kHz, often based on the self-resonance of iron-cored transformers.
- For example, a key component of a superheterodyne receiver is a mixer used to move received signals to a common intermediate frequency.
- Armstrong's concept of the superheterodyne receiver to filter out noise and amplify the original signal is used in the cordless phone.
- Although the superheterodyne receiver is the most common receiver in use today, the regenerative radio made the most out of very few parts.
- He invented the feedback oscillator, regenerative receiver, the superregenerative receiver, the superheterodyne receiver, and modern frequency modulation ( FM ).
- For this project, Braude designed a superheterodyne receiver, using a low-power, tunable magnetron for use as the local oscillator.
- The result was the RCA Radiola AR-812 and Radiola VIII Superheterodynes in 1924, the world's first consumer superheterodyne receivers.
- The radiation in question is most commonly either radio waves ( see superheterodyne receiver ) or light ( see Optical heterodyne detection or interferometry ).
- Armstrong eventually sold his superheterodyne patent to Westinghouse, who then sold it to RCA, the latter monopolizing the market for superheterodyne receivers until 1930.
- The 2 MHz to 3 MHz " IF " is basically another self-contained superheterodyne receiver, most likely with a standard IF of 455 kHz.
- :: : See the Wikipedia articles on frequency mixer and superheterodyne receiver .-- talk ) 07 : 11, 25 December 2007 ( UTC)
- A superheterodyne receiver only needs to track the RF and LO stages; the onerous selectivity requirements are confined to the IF amplifier which is fixed-tuned.
- After graduating in 1913 Armstrong was stationed in France during World War I . There he developed the superheterodyne receiver to detect the frequency of enemy aircraft ignition systems.
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