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nikhil9839859626
Joined: 05 Nov 2009
Posts: 3
Location: INDIA
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 05 Nov 2009 7:53 about dtmf |
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how can we make a dtmf reciever circuit using cm8870.
the transmission is through fm.
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05 Nov 2009 7:53 Ads |
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nandhu015
Joined: 11 Feb 2006
Posts: 641
Helped: 46
Location: Tamilnadu, India
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05 Nov 2009 8:03 about dtmf |
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The Datasheet itself contains the details how to make the circuit
i cant understand the second line
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pranam77
Joined: 22 Apr 2008
Posts: 1073
Helped: 94
Location: Mangalore(India)
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05 Nov 2009 8:22 Re: about dtmf |
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| nikhil9839859626 wrote: |
| how can we make a dtmf reciever circuit using cm8870. the transmission is through fm. |
When the transmission is through FM, use a FM receiver and connect its output to the input of the 8870 decoding circuit. Construct it as per given in the datasheet. Cheers
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nikhil9839859626
Joined: 05 Nov 2009
Posts: 3
Location: INDIA
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05 Nov 2009 10:54 Re: about dtmf |
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| nandhu015 wrote: |
The Datasheet itself contains the details how to make the circuit
i cant understand the second line |
no, actually i need full details about the circuit, will you help me?
Added after 2 hours 11 minutes:
| pranam77 wrote: |
| nikhil9839859626 wrote: |
| how can we make a dtmf reciever circuit using cm8870. the transmission is through fm. |
When the transmission is through FM, use a FM receiver and connect its output to the input of the 8870 decoding circuit. Construct it as per given in the datasheet. Cheers |
i agree with you.
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