communications receiver การใช้

• Bandspread controls were found on communications receivers, amateur radio receivers, and some broadcast receivers.
• You need a more expensive communications receivers to be able to enjoy listening to HAM radio.
• An example is Yaesu's FRG-7 communications receiver, which uses the system to remove local oscillator drift.
• Video carriers, as heard on a communications receiver, no longer can be heard as a pure tone.
• Typically, a communications receiver is of the superheterodyne type in double, triple or, more rarely, quad conversion.
• If you want a good deal, you should try to get hold of a second hand communications receiver.
• A "'communications receiver "'is a type of radio receiver used as a component of a radio communication link.
• Radixon Group now sells its computer-controlled radio communications receivers and associated hardware and software under the brand name WiNRADiO.
• Any general communications receiver capable of audio reception at 518 kHz or 490 kHz single sideband can be used.
• Communication receivers are suited for operation near powerful transmitting facilities and so must have good internal shielding, front-end filtering.
• Frequency-stabilized versions of the AN / ARC-5 communications receivers usually have a yellow circle-S stamped on the front panel.
• High quality communications receivers or selective level meters generally have better dynamic range than all but the best spectrum analyzers.
• Lecture topics included advanced algebra, trigonometry, the slide rule, electrical and electronic circuits, communication receivers and transmitters, antennas, and servomechanisms.
• Communications receiver systems are usually independent of transmitting systems and contain their own oscillators with frequency and phase offsets and instabilities.
• One receiver would usually be a R-4A homing receiver, another the VHF R-28, and the last an MF / HF communication receiver.
• The company's first product was " WiNRADiO "-a wide-band communications receiver on a PC card, the first such product of its kind.
• There are many exellent communications receivers that are no longer manufactured that would cost you $ 1000 or more if bought new.
• Serious hobbyists may use expensive communications receivers and outdoor antenna located away from electrical noise sources, such as a dipole made from wire and insulators.
• In communication receivers, the decorative wooden cabinets typical of early broadcast receivers were replaced with utilitarian metal cabinets to provide electromagnetic shielding and mechanical ruggedness.
• Operational measurements and repair methods involved HF and VHF communication receivers and transmitters, air-search and fire-control radars, low-frequency LORAN receivers and transmitters, and sonar systems.