squelch circuit
- noun
- /ˈskwɛltʃ ˈsɜrkɪt/
- Specialized
- The radio's squelch circuit prevents annoying static when no station is being received.
Examples
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A well-designed squelch circuit is essential for clear communication in two-way radios.
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Technicians tested the squelch circuit to ensure it cut off noise below a certain threshold.
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The squelch circuit helps eliminate background noise.
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Can you explain how the squelch circuit works?
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A well-designed squelch circuit is essential for clear communication in two-way radios.
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The radio's squelch circuit prevents annoying static when no station is being received.
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Technicians tested the squelch circuit to ensure it cut off noise below a certain threshold.
Synonyms
A control that stops radio noise when the signal is weak
A circuit that cuts radio sound when the signal is too weak to avoid noise
How Sensitive
- Specialized
- Specialized
Surface Forms
Morphology
The compound is directly compositional: 'squelch' (to mute or suppress a signal) combined with 'circuit' yields a circuit that mutes or suppresses weak signals. This follows a standard noun+noun technical naming pattern and is readily inferable by a B1 learner who knows both constituents.
Etymology
Squelch circuit comes from squelch (a word that suggests pressing or stopping a noisy, squelchy sound) and circuit (an electronic path). Imagine a gate that closes to 'quiet' weak, noisy signals; the squelch circuit does this inside a radio, so it mutes the receiver when the signal is weaker than the background noise.