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CME8000    
The worlds first analog/digital Receiver IC
         
The CME8000 is a BiCMOS integrated straight through receiver with build in very high sensitivity and a pre-decoding of the time signal transmitted from WWVB, DCF77, JJY, MSF and HBG. The receiver is prepared for multi-mode reception by using an integrated logic. Integrated functions as stand by mode, integrated antenna switching, integrated crystal switching and a hold mode function offer features for universal applications.

The power down mode increases the battery lifetime significantly and makes the device ideal for all kinds of radio controlled time pieces.
Features
  • Low power consumption (<100A)
  • Very high sensitivity (0.4V)
  • Build in pulse decoding for different protocols
  • Switchable for 3 different frequencies
  • High selectivity by using crystal filter
  • Power down mode
  • Only a few external components necessary
  • AGC hold mode
  • Wide frequency range (40 ... 120 kHz)
  • Low power applications (1.2 .. 5.0 V
  • Automatic protocol recognition
  • Pre-decoded protocol information
  • Fast data transfer to CPU (100ms)
  • Use of the CPU clock (32768Hz)
  • Improved noise resistance
  • Integrated AGC adaptation
  • Two built-in low impedance antenna switches (40 Ohm/3V)
  • True Bit strength indication
Benefits
  • Extended Battery operating time
  • Decoding of the signal extremely simplified
  • Simplified micro controller software
  • Simplified multi frequency handling
  • Easy world time piece design
  • Automatic country recognition
  • True signal quality information
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Available CME8000 files...

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