The signal generators provide amplitude, frequency, phase and chirp modulation and output power levels from -90 to +25 dBm, depending on the configuration. #PHASE COHERENCE SERIES#The APMS-X series are analog signal generators with multiple, phase-coherent outputs and frequency options of 6, 12, 20, 33 and 40 GHz and a phase noise of -115 dBc/Hz at 10 kHz offset from a 20 GHz carrier. The maximum output power from these units is up to 25 dBm, and they work with reference input frequencies of 10, 100 and 1 to 250 MHz, respectively, providing reference outputs of 10 and 100 MHz. The APSYN420-X, APUASYN20-X and APSYN140-X multi-channel, phase-coherent frequency synthesizers have upper frequency options of 20, 20 and 43.5 GHz, respectively, with phase noise of -100 to -115 dBc/Hz at 10 kHz offset from a 20 GHz carrier. To support these various applications, AnaPico has developed a portfolio of phase-coherent signal sources. Multi-channel phase-coherent signals are widely used in applications such as quantum computing, radar, beamforming for “smart” antennas and spectroscopy. If the phase difference between two signals at the same frequency remains constant-in reality, the phase difference variation remains small over time-the two signals are considered phase coherent. Generating accurate and stable signal frequencies and, for many applications, maintaining the relative frequency and phase stability among multiple channels are a fundamental and ongoing challenge. Over time and with varying ambient temperature, the signals will drift further. Electronically generated signal frequencies always have phase noise or frequency jitter.
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