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The Falcon HTV-1 program, which preceded the Falcon HTV-2 program, was conducted in April, 2010. The mission ended within nine minutes from launch. [5] Both these missions are funded by the US Defense Advanced Research Projects Agency to help develop hypersonic technologies and to demonstrate its effectiveness. [6]
Marantz 2050L AM/FM stereo tuner (USA; 1978-1980) [1]. In electronics and radio, a tuner is a type of receiver subsystem that receives RF transmissions, such as AM or FM broadcasts, and converts the selected carrier frequency into a form suitable for further processing or output, such as to an amplifier or loudspeaker.
The television broadcast bands are too wide in frequency to be covered by a single antenna, so the two options are separate antennas used for the VHF and UHF bands or a combination (combo) VHF/UHF antenna. [6] A VHF/UHF antenna combines two antennas feeding the same feedline mounted on the same support boom.
The IF amplifiers are centered at 44 MHz for optimal frequency transference of the audio and video carriers. [k] Like radio, television has automatic gain control (AGC). This controls the gain of the IF amplifier stages and the tuner. The video amp and output amplifier is implemented using a pentode or a power transistor. The filter and ...
A television transmitter is a transmitter that is used for terrestrial (over-the-air) television broadcasting.It is an electronic device that radiates radio waves that carry a video signal representing moving images, along with a synchronized audio channel, which is received by television receivers ('televisions' or 'TVs') belonging to a public audience, which display the image on a screen.
HTV2, a television channel, was launched on October 10, 2003, as an experimental broadcast on channel 30 UHF. It was accompanied by channels HTV1 and HTV3, and initially aired for nine hours a day. However, starting from November 1, 2003, HTV2 officially extended its broadcast hours to run from 6 am to 24 hours daily. The channel is owned by HTV.
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6N3C power tube. A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal.Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers in the 1960s and 1970s.