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Text File  |  1999-10-21  |  329b  |  13 lines
  1. Measure crystal frequencies and carefully select units with less than 10% frequency difference 
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  3. Measure crystal bandwidth to ensure at least 20% coupling
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  5. Choose a crystal with the desired bandwidth and operating frequency to match a desired center frequency
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  7. Choose a center frequency that matches the available crystals
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