| 1. | Difference frequencies could be generated as are observed in the human.
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| 2. | The sum and difference frequencies were then available in the mixer's anode circuit.
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| 3. | Some difference frequencies originating in the cochlea can be observed in the outer ear.
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| 4. | Alternatively difference frequency generation ( DFG ) can be used.
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| 5. | The difference frequency between 9.9 and 11.7 yields a frequency with a 64-year period.
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| 6. | The resulting amplitude will oscillate with a difference frequency.
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| 7. | The difference frequency is explained talk ) 13 : 38, 25 December 2007 ( UTC)
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| 8. | When you multiply sine functions you will get a sum frequency and a difference frequency.
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| 9. | The remaining difference frequencies have an inverted spectrum High frequencies become low, and vice versa.
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| 10. | In the third order, by difference frequency generation the original frequency can be generated again.
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