Definition

Noun: 1. A signal entering an electronic system: An electrical or electromagnetic quantity (such as voltage, current, or a data stream) that is fed into a circuit, device, or system for processing, control, or transmission.

Usage Examples

• Noun:
  • The amplifier strengthens the weak input signal from the microphone.
  • The quality of the output depends entirely on the quality of the input signal.
  • The sensor converts physical pressure into an electrical input signal for the computer.

Advanced Usage

• Signal Conditioning: Refers to the manipulation of an input signal to make it suitable for the next stage of processing.
  • The device performs filtering and amplification as part of its input signal conditioning.

Variants and Related Words

• Input (n): A more general term for any data or power supplied to a system. An "input signal" is a specific type of input.
  • Check all system inputs before starting the test.
• Signal (n): A variable quantity that conveys information.
  • The radio tower broadcasts a strong signal.

Synonyms

• Incoming signal
• Source signal
• Feed signal

Related Phrases

• Signal-to-noise ratio: A measure comparing the level of a desired input signal to the level of background noise.
  • A high signal-to-noise ratio is crucial for clear audio reception.

Noun

1. signal going into an electronic system