Field strength/intensity meter and receiver

In summary, the person was asked to measure signal strength for an experiment and was wondering if a field strength meter was needed along with the receiver. The advice given was to connect the antenna to the meter and measure the signal strength, then disconnect and connect to the receiver for testing. It was also mentioned that impedance mismatches can affect results and if the receiver and meter have different impedances, it may be necessary to speak with the instructor.
  • #1
keetat
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1. Homework Statement [
i was asked to measure the signal strength. so in my set up for the experiment, is the field strength meter needed together with the receiver. how am i going to set these together at the antenna.izzit , connect the receiver to the battery, antenna to the receiver, AND FIELD STRENGTH METER TO THE ANTENNA. so i could measure the signal strength.or receiver alone is enough for measuring the signal strength.


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  • #2
Without seeing the setup it's difficult to answer, but if you know that the receiver and the meter have the same impedance, I'd connect the antenna to the meter, measure the signal strength, disconnect the antenna from the meter and connect it to the receiver and then perform your receiver tests.

Ideally the antenna, the reciever, the meter, and the cable connecting them will all have the same impedance.

If you have impedance mismatches, your results can depend on the length of the cable you use to connect things together ("standing waves" on the cable).

If your receiver and your meter have different impedances, you really have problems, and you should talk to your instructor.
 
  • #3
thx for helping
 

FAQ: Field strength/intensity meter and receiver

What is a field strength/intensity meter and receiver?

A field strength/intensity meter and receiver is a device used to measure the intensity of electromagnetic fields in a specific location. It can also detect and display the strength of radio signals from various sources.

How does a field strength/intensity meter and receiver work?

The meter and receiver work by using an antenna to detect and convert electromagnetic waves into an electrical signal. This signal is then amplified and displayed on a meter or receiver to indicate the strength of the field. Some models also have the ability to measure specific frequencies and filter out unwanted signals.

What types of fields can a field strength/intensity meter and receiver measure?

A field strength/intensity meter and receiver can measure a wide range of fields, including electric fields, magnetic fields, and radio frequency (RF) fields. It can also measure the strength of fields from different sources, such as power lines, cell phones, and radio and TV towers.

How accurate is a field strength/intensity meter and receiver?

The accuracy of a field strength/intensity meter and receiver can vary depending on the model and manufacturer. Generally, higher quality meters and receivers will have a higher accuracy and precision in their measurements. It is important to choose a meter or receiver that is appropriate for the specific type of field being measured.

What are some common uses for a field strength/intensity meter and receiver?

A field strength/intensity meter and receiver can be used for a variety of purposes, such as measuring the strength of electromagnetic fields in a workplace to ensure safety, locating sources of interference in electronic equipment, and monitoring radio signal strength for communication purposes. It is also commonly used in research and scientific experiments to study the effects of electromagnetic fields on living organisms.

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