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What type of communications equipment functions as a radio receiver and searches across several frequencies?
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What is fidelity in an AM receiver?
fidelity of a receiver is its ability to produce accurate output over a range of frequencies.
What is a super heterodyne receiver?
A superheterodyne receiver is a Radio Frequency receiver method that multiplies the received signal frequency with a local oscillator frequency to get frequencies that are the sum and difference of the 2 frequencies. For example, if the received signal is 5MHz and the local oscillator frequency is 4MHz, they are multiplied together. 1MHz and 9MHz frequencies would be gotten. Usually the 1MHz is the Intermediate Frequency (IF). It will be admitted (through a band pass filter) later passed through the required electronic circuits for proper processing. There is also the method of the Variable Tuned Filter.
What are Advantages and disadvantages of laser communication over radio communication?
The advantage of laser communications are: fast (real time) less noise, inexpensive, immunity to EMI, power efficient both transmitter and receiver and can extend optimized performance, a single receiver can accomodate multiple data rates
What are radio waves and what are they used for?
Radio waves are generated and modulated with the transmitted information at the transmitting station and radiated by its antenna. These radio waves are picked up by the receiver antenna, filtered from all the other transmitted signals, detected and demodulated by the receiver to recover the transmitted information.
What is RDS and AF in FM radio?
Radio Data System, or RDS, is a communications protocol standard for embedding small amounts of digital information in conventional FM radio broadcasts. RDS standardises several types of information transmitted, including time, station identification and programme information.AF (alternative frequencies)This allows a receiver to re-tune to a different frequency providing the same station when the first signal becomes too weak (e.g., when moving out of range). This is often utilized in car stereo systems.Source: wikipedia
What is a word that is opposite of the word receiver?
Relating to a person: giver or donor.Relating to communications equipment: transmitter.
What is the purpose of a communications receiver?
A communications receiver is a radio receiver used for communications. It receives a transmitted signal and sends it further along the line till it is converted into sound.
What is fidelity in an AM receiver?
fidelity of a receiver is its ability to produce accurate output over a range of frequencies.
Who may purchase amateur radio equipment list the rule?
Anyone can purchase amateur radio equipment, and use it to listen to anyone who is transmitting on the frequencies the receiver is capable of tuning into - HOWEVER you MUST have a valid licence in order to transmit.
What is fidelity in frequency modulation?
Fidelity is the quality with which the original frequencies are reproduced at the receiver.
What does aTransceiver do?
A transceiver is a transmitter and receiver. It is typically used for two way communications such as networks, radio communications and cell phones to name a few.
Why are IP addresses used for internet communications?
To identify a sender and a receiver.
What are the 6 functions of communication protocol?
These days communication is extremely important. A data communications portal fills five major functions for its users. They are: message, sender, receiver, a medium to receive a transmission, and a portal.
What is the purpose of the FM transmitter?
A radio receiver is an electronic device that receives radio wave/signal and convert the information carried by them to a usuable form through speaker. The principal functions of a radio receiver are frequency selection, amplification and detection of signals which are been convert back to its original form through the help of radio speaker.
Which factor may influence both the receiver and the sender in the communications process?
All of the above
When planning communications whom should the writer speaker consider?
Both the sender and the receiver
Which hardware component controls serial port communications?
UART (Universal Asynchronous Receiver Transmitter)
