EverSet ES100 ADK V2 WWVB BPSK Phase Modulation Receiver only

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Description & Features+

This is receiver ONLY. For the optional 60kHz antennas click HERE 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 Technologys 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 micro controller. 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. This is a 3.3V device! When you connect it to power supply and I2C bus of a micro controller or any other logic, make sure you are not exceeding 3.3V supply voltage and logic level! An Arduino sketch is included in the downloads, to test the receiver circuit, and to give you a jumpstart for your own development. 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 power supply and logic level External Memory and ISP header Easy to use on a bread board connects 2 fine-tuned 60kHz antennas (option) APPLICATIONS Analog and digital wall clocks Clock radios Consumer Electronics The original WWVB broadcast signal, while the best technology available in its day, has been challenged with reception issues in many locations and environments. This broadcast was based on an Amplitude Modulation/Pulse-Width Modulation (AM/PWM) scheme with a Binary-Coded Decimal (BCD) representation of the date and time information. 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 received signal. To address these issues, EverSet Technologies collaborated with NIST to develop an enhanced modulation scheme and broadcast format for the atomic clock time signal. This included a new Binary Phase-Shift Keying (BPSK) phase-modulation based time code generator, which has been broadcasting from the WWVB station since October 29, 2012. The enhanced modulation and coding scheme provides several orders of magnitude of improvement in reception robustness, and the new broadcast format also provides new features such as advance notifications of Daylight Saving Time (DST) transitions and of both positive and negative leap seconds. These advance notifications allow radio-controlled clocks to make the appropriate adjustments at each such transition even if the WWVB signal is not received for an extended period of time prior to it. EverSet ES100 receiver kits are available exclusively from UNIVERSAL-SOLDER. LINKS and DOWNLOADS EverSet Technologies official website EverSet ES100 data sheet (PDF) Enhanced WWVB Broadcast Format (PDF) Download Documentation Package incl. Arduino Code NOTE This module (with the QFN package chip) comes with an external memory, and ISP header, but there is no guarantee that software updates will be available in the future. This version is better for bread board installation and development than the module with chip on-board (COB). Both modules have the exact same functions.
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