Abstract
An ultrafast electron diffraction setup is described and requirements for a signal source are determined. Taking into account these requirements, a low-noise microwave signal source with a 6.2-GHz-frequency and ≥6-W power, and 6.1-GHz additional frequency and ≥5-mW power is designed. The phase noise level at the output frequency was no higher than −115 dB/Hz when the offset from the carrier was 10 kHz. The manufactured setup was supplied to the Max-Planck Institute (Garching, Germany), experiments were performed, and the first results were obtained.
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