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| Input-output terminal cross talk analysis of SAW filter package |
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| It is possible to investigate the cross talk (signal
leakage) between input-output terminal of SAW filter package using 3 dimensional
electromagnetic analysis. |
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| Analysis example of electromagnetic
field strength distribution |
| Item |
Type
A |
Type
B |
Type
C |
| Conductor pattern on assembly face of SAW filter chip |
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Electrical field strength under assembly face of SAW filter chip (frequency 4.5GHz)
Red: large field strength
Green: middle field strength
Blue: small field strength |
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Magnetic field strength under assembly face of SAW filter chip (frequency 4.5GHz)
Red: large field strength
Green: middle field strength
Blue: small field strength |
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| Content |
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Input output terminal position change |
Addition of GND via |
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