The phrase "a specific frequency" is correct and usable in written English.
It can be used when referring to a particular frequency in contexts such as science, technology, or communication.
Example: "The device operates optimally at a specific frequency, ensuring clear signal transmission."
Alternatives: "a particular frequency" or "a defined frequency."
Mercury ions absorb a specific frequency of ultraviolet light.
Others work through the car's radio; these sound clearer, but require you to tune the radio to a specific frequency when you use the phone.
Each region of the membrane is most affected by a specific frequency of vibrations.
In order to prevent mutual interference, each user's information signal is modulated onto an assigned carrier of a specific frequency.
Under the International Telecommunications Union's policies, the first country to start using a specific frequency is granted priority status, and later service providers transmitting on the same band must ensure that their broadcasts do not interfere with previously authorized signals.
Each radio link is assigned a specific frequency band of operation, a specific transmitter radiation pattern, and a maximum transmitter power.
This identity is encoded in a specific frequency modulation pattern that the dolphin learns as a calf and keeps throughout its life.
Raman spectroscopy is based on the absorption of photons of a specific frequency followed by scattering at a higher or lower frequency.
At those smaller airports, typically used for general aviation, pilots are responsible for logging into a specific frequency to broadcast their position and their intention to land.
However, when the clasp is exposed to a specific frequency of light, the DNA folds itself into a curved, closed shape that stops it binding to the thrombin.
In this figure, different trajectories represent a specific frequency offset.
