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EverSet ES100 is a fully self-contained phase modulation time code receiver that receives and decodes the 60 kHz time signal from the National Institute of Standards and Technology’s WWVB transmitter located in Ft. Collins, Colorado, USA.
It contains a digital correlation receiver to extract the time code information from the received signal. It also has a simple serial interface (I2C) to transfer the date, time, and DST information to a host microcontroller.
EverSet ES100 is compatible with existing WWVB receive antennas and offers significantly improved performance in low signal-to-noise and low signal-to-interference scenarios when compared to amplitude modulation receivers.
FEATURES
- Receives new phase-modulated WWVB signal
- Significantly outperforms all other WWVB receivers
- Low power dissipation
- 2-wire serial interface
- Two antenna inputs
- 3.3V (2.0-3.6V max.) power supply and logic level
- Max. current consumption 28mA (processing)
- Min. current consumption
- Full-Frame reception time 134 seconds
- Tracking Mode reception time 24.5 seconds
- I2C Pull-Up Resistors on-board (selectable)
APPLICATIONS
- Analog and digital wall clocks
- Clock radios
- Consumer Electronics
- High Precision Time Base
The original WWVB broadcast signal has been challenged with reception issues in many locations and environments. The reception issues are primarily a result of the vulnerability of this modulation scheme to interference, and the need for a relatively high level of the received signal.
The BPSK transmission standard and the ES100 receiver technology address all these issues and offer up to 100 times better reception than the genuine AM signal.
