我想要跳过第一级锁相环，将一个10M的OCXO直接输入到第二级锁相环，最终从OUT0,OUT1输出125MHz,从OUT2,OUT3输出3.90625MHz。我现在按照图中红框内的方式启用了doubler，设置好了了分频系数，用频谱仪测得的实际输出频率为128.65MHz,仍然不是需要的125MHz，我不知道问题出在了哪里，希望得到您的帮助，非常感谢！
groupUrl: https://ez.analog.com/cn/pll/
- Home
- Blogs ⌵
- Browse ⌵
-
Support ⌵
- 3D ToF Depth Sensing
- A2B
- Aerospace and Defense (ADEF)
- Amplifiers
- Analog Microcontrollers
- Analysis Control Evaluation (ACE) Software
- Audio
- Clock and Timing
- Condition-Based Monitoring
- Data Converters
- Design Tools and Calculators
- Direct Digital Synthesis (DDS)
- Embedded Vision Sensing
- Energy Monitoring and Metering
- FPGA Reference Designs
- Industrial Ethernet
- Interface and Isolation
- Low Power RF Transceivers
- MEMS Inertial Sensors
- Motor Control Hardware Platforms
- Optical Sensing
- Power By Linear
- Precision Technology Signal Chains
- Processors and DSP
- Reference Circuits
- RF and Microwave
- Signal Chain Power (SCP)
- Switches/Multiplexers
- Temperature Sensors
- Video
- Wide Band RF Transceivers
- Wireless Sensor Networks Reference Library
- My EZ
- More
- Cancel
