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Aeroflex’s PN8000 is designed for manufacturers of crystal oscillators, synthesizers and PLL (phase lock loop) components who do not need the additional performance of the options available in the PN9000 or PN9500. Compared to modular phase noise test systems, the PN8000 test set is more compact — taking up just half the footprint and weight — and costs about 40% less. The device is part of the Aeroflex family of phase noise test systems designed to make extremely sensitive phase noise measurements on RF and microwave sources. The PN8000 demodulates the phase fluctuations of the source under test by using a quadrature-locked low-noise reference signal scheme. A balanced mixer operates as a phase comparator and produces a signal that comprises the time representation of the phase fluctuations of the source. The phase-locked loop includes proportional and integral gain that allows measurement on a frequency-drifting source. All necessary parameters are programmable and the system automatically verifies that the parameters are self-consistent.

Aeroflex Inc.