What is a Receiver and Easy Ways to Use It

Lutfi

Understanding Receivers and Easy Ways to Use Them

Rancakmedia.com – What is a receiver? Based on the English translation, the meaning of the word "receiver" means "receiver". This receiver is related to antennas, cell phones, computers, television or radar.

Depending on the application, the receiver can receive a variety of different types of data. Digital and analog electromagnetic waves or signals can be sent and received via cable media.

However, in the context of wireless networks and cellular communications, the word “receiver” is often used. A piece of technology that receives signals and translates them into a language that other devices or computers can understand.

Transceivers, including cellular telephones (cellular radio) and data transmission antennas, are examples of devices that can operate as both transmitters and receivers (transceivers).

If the broadcaster and receiver are in the same area, the transmission medium is usually a cable or wire, but wireless signals can also be used to enable broadcast broadcasting techniques to multiple receivers. The individual who receives the product, whether in the form of words, letters, or goods, is called the receiver in general communication.

This concept is pervasive and applies to all forms of receivers in any form of technology because all of them without exception have the ability to receive something that has been sent by the transmitter, whether in the form of electromagnetic waves, electrical signals, sound. waves, or even light sound waves.

In this post, we will explore what is meant by a receiver in the realm of electronics and communications.

If you're curious, and especially if you want to learn everything there is to know about how data is sent over cell phone networks, make sure to listen all the way to the end of our explanation.

What is a Receiver

Understanding what it is receiver, any of several devices that can receive signals, such as radio waves, and convert them into something useful.

A device known as a receiver must be present at the receiver end to receive radio signals and translate the data they carry.

The information provided by the transmitter is decoded in the receiver through a series of processing steps. When you make a telephone call, for example, the transmitter sends sound vibration information in the form of radio waves, which is received by the receiver.

Even if someone else spoke to you via radio waves, you would not be able to understand them. So, the receiver must take the radio waves and convert them back into the original information source. Radios, telephones, TVs and many other receivers can be found almost everywhere.

Process at Receiver

By paying attention, you should be able to explain the processes that occur in the receiver so that the device can display the same information as the original source that we explained earlier.

There are two types of receivers with various processing steps, namely straight receivers and superheterodyne receivers. The following are the procedures for each type:

Straight Receiver (Direct Radio Receiver)

Straight receivers, such as Superheterodyne receivers, demodulate the received signal directly. This type, on the other hand, is rarely used due to its lower level of sensitivity and selectivity. The following is the sequence of processes that occur in a straight receiver:

Antena

When a radio transmitter sends a signal, it does so by using information from the antenna to pick up radio wave vibrations and signals.

RF Tuning

Now in this step, the receiver takes the signal that includes the information we need from all the radio waves (RF = radio frequency) received by the antenna to enter and process it to the next stage.

Resonance is a typical approach that involves searching for the same resonant frequency as the carrier signal conveying the desired information using a variable capacitor. This RF tuning method can provide the excellent signal-to-image rejection that all receivers demand.

Detection or Demodulation

The carrier signal and the information signal are separated at this point. As explained above, to send a transmitter signal, the information signal is superimposed on the carrier signal, similar to loading goods into a vehicle for delivery.

By unloading the item from the carrier vehicle, the modulated operation now separates the information signal from the carrier.

Amplifying

At this point, the information signal that has been isolated from the carrier will be amplified by the amplifier component.

Sound Tools Section

The information signal is converted back to its original form, sound. Speakers, which can convert electrical signals into audible sound waves, may be the instrument of choice.

Superheterodyne Receiver (Superheterodyne Radio Receiver)

Superheterodyne receivers use a mixing mechanism that combines two signals to produce a more manageable low-frequency intermediate frequency (IF) signal. The following is the sequence of processes that occur in a superheterodyne receiver:

Antena

Just as before, an antenna is needed to pick up vibrations or radio wave signals.

RF Tuning

Not much different from before, this type of receiver also performs RF tuning steps to select signals that include the information we need.

Heterodyne Local Oscillator

Now here is the difference between superheterodyne and direct receiver. Due to the mixing stage, a local oscillator is required which acts to create a signal with the same frequency as the IF signal used in the receiver (usually around 455kHz).

Mixer

This step is the essence of the superheterodyne receiver, especially the mixing stage. The receiver uses a mixer to combine the signal from the local oscillator with the signal it receives to create the required IF.

IF Filters and Amplifiers

The transistor mixer collector in most AM receivers has a resonant circuit with the same resonant frequency as the IF frequency. Its task is to filter signals with frequencies that are different from the IF frequency because they are the result of undesirable mixing and do not contain the information signal we are looking for.

The signal must also be amplified, but this amplification procedure must be precise. It's bad if it's too high, but it's also bad if it's too low. Then the gain is regulated by AGC (Automatic Gain Control).

Detection/Demodulation

Modulation is used to extract information from the signal, which is the next step in the process. Using a low-pass filter, you can remove modulated frequencies from the signal. This signal will be sent to the speaker, where it will be converted into sound vibrations that people can hear.

Audio Amplifier

The information signal is amplified before being transmitted to the speaker. So, between the demodulator and the speaker, there is a potentiometer to change the loudness.

Speaker

The speaker is the part that changes digital information into sound waves that you can hear.

Because the information signal is broadcast on the carrier, a process occurs in the receiver to separate the information from the carrier, thereby producing an information signal that can be understood by humans.

FAQ

The following are questions and answers about the receiver, including:

What is meant by Receiver in Communication?

Message recipients are the process (group of people) to whom the message is addressed, either through communication, reading, or watching. The receiver is sometimes called the “audience” or “decoder.” The sender is the individual who sends the first message in the communication process.

What is the Function of the Receiver in an AC?

The receiver or dryer performs two tasks: Filters contaminants and separates refrigerant vapor from water vapor.

Can a Mini Parabola be Without a Receiver?

You can just install it. You will also get a 15 meter cable with your order, making installation even simpler.

Conclusion

The definition of a receiver is one of several devices that can receive signals, such as radio waves, and convert them into something useful.

When a radio transmitter sends a signal, it does so by using information from the antenna to pick up radio wave vibrations and signals.

There are two types of receivers with various processing steps, namely straight receivers and superheterodyne receivers. In this post, we explore what is meant by the term “receiver” in the realm of electronics and communications.

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Lutfi

Hi, let me introduce myself, Lutfi Hulasoh, I am a writer and techno blogger. I started creating a personal blog writing informative articles about the latest trends and developments in technology. My writing covers a wide range of topics, from mobile applications to artificial intelligence, and I can also provide easy-to-understand explanations to help readers understand complex concepts.