Transcription of Power Delivery Network Analysis - ATN Japan
1 Power Delivery Network Analysis Brad Cole 1. Agenda Power Delivery Challenges Measurement Approach Power Delivery Network Analyzer Measurement Examples 2. Power Delivery Challenges Higher Density Faster Switching Speeds Higher Current Higher Power Dissipation Lower Voltage Lower Voltage Noise Margin Lower PDN Impedances Wider Bandwidth 3. Example DUT's Networks PCB PDN. IC Package PDN. Components Capacitors Transformers Voltage Regulator Modules 4. Typical Target Ranges Target Shunt Impedance Approximately 1m Measurement Frequency: VRM: DC to 100 KHz PCB: 1 KHz to 40 MHz IC Package: 1 MHz to 3 GHz 5. Reflection Measurement Incident Signal Z DUT. Reflected Signal Z=f( ). 6. Kelvin Technique 4-Point DC Resistance Measurement Technique Force DUT V Sense 7. RF Measurement Approach 4-Point RF Impedance Measurement Technique Shunt Impedances Source Z DUT R Receiver 8. P4800 System Configuration Frequency Range: 10Hz to 40 MHz USB Connection to PC.
2 9. P4800 With Optional VNA. Frequency Range: USB Connection to PC. 10Hz to 18 GHz GPIB-USB from VNA to P4800. 10. Capacitor Measurement Example Simple Decoupling Capacitor Mounted to PCB. 11. Capacitor Measurement 12. Capacitor Impedance Ca pa c ce i ta an nc ct e du In Resonance 13. Capacitor Capacitance 14. Capacitor Inductance 15. Capacitor Resistance 16. Impedance of Multiple Shunt Caps 17. PDN Measurement Example CPU Bias on PC Motherboard 18. PDN Impedance VRM Off VRM On 19. 300 KHz P4800 PDNA Summary Wide Bandwidth 10Hz to 18 GHz High Sensitivity Better than 50 to 40 MHz Performance above 40 MHz depends on VNA characteristics Easy Setup No external circuitry No ferrites Flexible Self Impedance Transfer Impedance Convenient Coaxial or probe measurement No external data manipulation required 20. Contact Info +1-978-328-1067. 21.
