Odbiornik DCF77 z układem MAS6180
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Description
INTRODUCTION
The time signal receiver module comprises of a ferrite antenna and an AM receiver IC printed circuit board. The board includes a MAS6180B1 AM receiver IC accompanied with necessary filter crystal and capacitor components. The circuitry includes also an RC-filter for the supply voltage. The EB6180B1COB77K5A1 module is tuned for 77.5 kHz and suitable for receiving German DCF77 time signal transmission. The MAS6180B1 AM receiver IC includes amplifier, demodulator and comparator blocks that transforms the received AM transmission into series of pulse width coded digital pulses which can be directly processed by an appropriate digital circuitry such as a micro controller unit (MCU).
MODULE CHARACTERISTICS
- Operating Voltage: 1.1-3.6V
- Current Consumption: 24-85 µA
- Stand-By Current: 0.1 µA
- Receiving Frequency: 77.5 kHz
- Sensitivity: 25 µA/m
- Antenna: 60x10x9 mm
- PCB: 25x13.5x1.3 mm
RESOURCES
Pliki: Projekt Atmega + DCF77 + LCD zawierają przykładowy projekt zegara z wykorzystaniem odbiornika DCF77, dodatkowo autor przedstawia sposób dekodowania sygnału z odbiornika.