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#1
October 16th 03, 12:11 AM
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CQUAM stereo decoding
I am looking to develop / build an AM stereo decoder, for 455kHz.
1. Can anyone point to a reference of how to decode CQUAM using standard RF building blocks (eg. multipliers, PLLs, filters). 2. Motorola seemed to make IC CQUAM stereo decoders (MC13320, MC13322, MC13328). Does anyone know if these are still available, and if so, WTB? 3. Does anyone have any datasheets on the chips mentioned above? Cheers, Steve A |
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#2
October 17th 03, 03:16 AM
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Try:
http://users.hfx.eastlink.ca/~amstereo/ Bob Steve A wrote: I am looking to develop / build an AM stereo decoder, for 455kHz. 1. Can anyone point to a reference of how to decode CQUAM using standard RF building blocks (eg. multipliers, PLLs, filters). 2. Motorola seemed to make IC CQUAM stereo decoders (MC13320, MC13322, MC13328). Does anyone know if these are still available, and if so, WTB? 3. Does anyone have any datasheets on the chips mentioned above? Cheers, Steve A |
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#3
October 17th 03, 03:16 AM
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Try:
http://users.hfx.eastlink.ca/~amstereo/ Bob Steve A wrote: I am looking to develop / build an AM stereo decoder, for 455kHz. 1. Can anyone point to a reference of how to decode CQUAM using standard RF building blocks (eg. multipliers, PLLs, filters). 2. Motorola seemed to make IC CQUAM stereo decoders (MC13320, MC13322, MC13328). Does anyone know if these are still available, and if so, WTB? 3. Does anyone have any datasheets on the chips mentioned above? Cheers, Steve A |
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