High-precision frequency output control device and clock source

• Main Authors: JIAN HEBING, YAN BO, YANG CAIFANG, ZHANG YU, ZENG YINGCHUN, WEN XUEBIN, ZHU MIN
• Format: Patent
• Language: Chinese; English
• Published: 15.08.2023
• Subjects: AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES; BASIC ELECTRONIC CIRCUITRY; ELECTRICITY

The invention discloses a high-precision frequency output control device and a clock source, and relates to the technical field of clock sources, the device comprises a DDS module, a feedback module, an MCU module and a phase discrimination module, the DDS module is used for being respectively connected with an external rubidium clock and frequency equipment, the DDS module is also respectively connected with the feedback module and the MCU module, the MCU module is connected with the phase discrimination module, and the phase discrimination module is connected with the feedback module. The MCU module is further used for being connected with an external rubidium clock, the phase discrimination module is connected with the feedback module, and the phase discrimination module is further used for being connected with an external frequency reference source. Two-stage frequency adjustment of rubidium clock output is achieved, the frequency accuracy is improved, high-precision frequency output of the rubidium clock