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315889-002 55
Z(f) Constant Output Impedance Design
Figure A-6. Measured Platform Impedance Profile Showing Change
in Impedance as Capacitors Are Removed
Figure A-7. Designations of MLCC Cavity Capacitor Banks
Magnitude of impedance profile
0
1
2
3
4
5
6
7
8
9
10
0.001 0.01 0.1 1 10 100
frequency (MHz)
magnitude (mohms)
all caps installed
1. 2x 10uF removed
2. 2x 10uF removed
3. 2x 10uF removed
4. 2x 22uF removed
5. 10, 22 uF removed
6. 2x 22uF removed
7. 10, 22uF removed
8. 2x 10uF removed
9. 2x 22uF removed
MLCC + 1 Bulk removed
MLCC +2 Bulk removed
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10uF
22uF
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
1
1
2
2
3
3
4
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5
5
6
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7
7
8
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9
9