TIDUFC2 April   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 High-Voltage Generator Circuit
      2. 2.2.2 Low-Voltage Switching Mode Power Supply
      3. 2.2.3 Sitara™ MCU AM2431 Reset and Power Rail Monitoring Circuit
      4. 2.2.4 Clock Generator
      5. 2.2.5 CMOS to LVDS Driver
      6. 2.2.6 Layout Guidance
    3. 2.3 Highlighted Products
      1. 2.3.1 TX7516
      2. 2.3.2 TMU9832
      3. 2.3.3 AM2431
  9. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
      1. 3.1.1 TIDA-010256 PCB Overview
      2. 3.1.2 TIDA-010256 Connector Settings
    2. 3.2 Software Requirements
    3. 3.3 Test Setup
    4. 3.4 Test Results
      1. 3.4.1 High-Voltage Power Supply Output Ripple
      2. 3.4.2 Output Waveform
      3. 3.4.3 Thermal Test
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
    2. 4.2 Tools and Software
    3. 4.3 Documentation Support
    4. 4.4 Support Resources
    5. 4.5 Trademarks

2.2.4 Clock Generator

The clock plays a crucial role in ultrasound systems, and is constructed with the low-jitter standard oscillator LMK62A2-200M and configurable output clock buffer LMK00304, as Figure 2-14 shows.


TIDA-010256 Clock Circuit

Figure 2-14 Clock Circuit

In the PCB design, place R149 near the LVDS receiver end.