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Single-Sideband Phase Noise
A B C D E F G H I J L M N O P Q R S T U V W
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Single-Sideband Phase Noise

What is Single-Sideband Phase Noise?

Single-Sideband Phase Noise (SSB) is specified as a power ratio in decibels per Hertz (dBc/Hz), relative to the carrier frequency and at a defined offset. A typical value might be –145 dBc/Hz at 100 MHz and 10 kHz offset.
The lower the phase noise, the cleaner and more stable the signal. Low SSB phase noise is crucial for RF measurement accuracy, signal quality, and system sensitivity in applications such as telecommunications, radar, satellite links, and advanced test systems.
Instruments with exceptionally low phase noise ensure reliable, reproducible results and are indispensable in high-performance communication and RF test environments.