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Part Number
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MV8870 |
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Manufacturer
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GEC Plessey Semiconductors |
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Description
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Integrated DTMF Receiver |
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Published
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Sep 4, 2006 |
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Detailed Description
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Datasheet
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MV8870
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Overview
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MV8870/MV8870-1
ADVANCE INFORMATION
DS3140-2.
1
MV8870 / MV8870-1
INTEGRATED DTMF RECEIVER
The MV8870 / MV8870-1 is a complete DTMF receiver integrating both the bandsplit filter and digital decoder functions, fabricated in GPS’s double-poly ISO2-CMOS technology.
The filter section uses switched capacitor techniques for high and low group filters; the decoder uses digital counting techniques to detect and decode all 16 DTMF tone pairs into a 4-bit code.
External component count is minimised by on-chip ...
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