高速模擬設計中電路板寄生效應測試(英文)(pdf 10頁)
高速模擬設計中電路板寄生效應測試(英文)(pdf 10頁)內容簡介
1 High Speed Circuit Design ………… 2
2 Determining the Source of the Capacitance ………… 3
3 Capacitive and Inductive Measurement Techniques…………4
4 Measurement Notes and Aids ………… . 8
List of Figures
Figure 1. Example Circuit for 900MHz Frequency Amplifier, Gain 2 Stage ………… 2
Figure 2. Example Circuit for 900MHz Frequency Amplifier, Gain 2 Stage,
with Parasitic Inverting Node Capacitance…………. 2
Figure 3. Time?Domain Plot for Current Feedback Amplifier ………… . . . . . . . . . . . . 3
Figure 4. Capacitance Test Measurement Circuit Using an HP8116A Function Generator . . . 4
Figure 5. Computing V2 for a Triangle Wave V1…………. . . . . 4
Figure 6. Oscilloscope Graph Showing 2V Ramp and Output Square Wave …………5
Figure 7. Measuring a Parasitic Trace Inductance…………. . . 6
Figure 8. Stimulus and Response Waveforms for Parasitic Inductance Test …………6
Figure 9. Scope Preamp for Capacitance Measurement ………… ………… 8
Figure 10. Scope Preamp for Inductance Measurement ………… ………… . 8
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2 Determining the Source of the Capacitance ………… 3
3 Capacitive and Inductive Measurement Techniques…………4
4 Measurement Notes and Aids ………… . 8
List of Figures
Figure 1. Example Circuit for 900MHz Frequency Amplifier, Gain 2 Stage ………… 2
Figure 2. Example Circuit for 900MHz Frequency Amplifier, Gain 2 Stage,
with Parasitic Inverting Node Capacitance…………. 2
Figure 3. Time?Domain Plot for Current Feedback Amplifier ………… . . . . . . . . . . . . 3
Figure 4. Capacitance Test Measurement Circuit Using an HP8116A Function Generator . . . 4
Figure 5. Computing V2 for a Triangle Wave V1…………. . . . . 4
Figure 6. Oscilloscope Graph Showing 2V Ramp and Output Square Wave …………5
Figure 7. Measuring a Parasitic Trace Inductance…………. . . 6
Figure 8. Stimulus and Response Waveforms for Parasitic Inductance Test …………6
Figure 9. Scope Preamp for Capacitance Measurement ………… ………… 8
Figure 10. Scope Preamp for Inductance Measurement ………… ………… . 8
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