Radio frequency circuits and elements

Front

What is a circuit that sends information via electromagnetic fields?

Back

Transmitter

Front

What is a circuit that blocks certain frequencies?

Back

Filter

Front

What is a circuit used to match the impedances of two or more parts of a radio-frequency circuit?

Back

Matching Network

Front

What is a circuit element that stores a magnetic field?

Back

Inductor

Front

What type of waves do household products like radios and cell phones use to transmit information?

Back

Radio waves

Front

What is the function of a capacitor in a radio frequency circuit?

Back

A capacitor stores electrical energy and can block direct current while allowing alternating current to pass.

Front

What is an oscillator in the context of radio frequency circuits?

Back

An oscillator is a circuit that generates a continuous wave signal, often used to create radio frequencies.

Front

What is the role of a receiver in a radio frequency circuit?

Back

A receiver captures and decodes the signals transmitted over radio waves.

Front

What is the purpose of a matching network in RF circuits?

Back

To ensure maximum power transfer between different components by matching their impedances.

Front

What is the difference between a filter and a matching network?

Back

A filter blocks certain frequencies, while a matching network adjusts impedances for optimal power transfer.