CLASS1C 850 - Crystal Based Transceiver Brochure

WIRELESS DESIGN DEVELOP DELIVER CLASS1C 850 Crystal-based transceiver > High performance/low cost/small package > EN300 220 Cat 1 requirements > Fast switch-on time > Very low power consumption > Designed for high-volume requirements > Wide supply voltage range > Analogue audio in/out or customer-specific data encoding The CLASS1C 850 transceiver is designed to be a low-risk, cost-effective building block module for high-volume OEM applications requiring radio connection, including use in the 868-870MHz pan-European band. The CLASS1C 850 gives 10mW RF output, ideally suited for use in today’s crowded radio telemetry bands. This resilient module exceeds the minimum requirements defined in EN 300 220 Category 1. The crystal-based design allows much lower power levels which are more than adequate for short-range applications. The very fast start up sequence further reduces the power needed and as a combination could lead to lower maintenance costs. The receiver section benefits from excellent sensitivity figures, low current consumption and excels in congested environments. Wood & Douglas Ltd Lattice House, Baughurst Tadley, Hants, RG26 5LP United Kingdom t +44 (0) 118 981 1444 f +44 (0) 118 981 1567 e info@woodanddouglas.co.uk www.woodanddouglas.co.uk Doc Ref: 1893 2055 v1.0 / Nov 2012 CLASS1C 850 Transceiver Specifications Wireless Frequency range 868 to 870MHz Frequency stability +2.5ppm Number of RF channels Single-channel crystal-controlled (must be specified when ordering) Channel spacing 25kHz Modulation type Analogue FM/Optional Digital Data modes (customer specific) Frequency response 10Hz to 3kHz at -3dB Spurious emission in accordance with ETS/CEPT specifications (conducted & radiated) Transmitter RF output power into 50? 10mW +0/-1.5dB Tx/Rx switching time <2ms Modulation input Analogue 750mV peak-to-peak AC coupled Digital TTL-compatible DC coupled Deviation +3kHz nom (+4kHz max) Adjacent channel power <200nW Receiver Sensitivity <-115dBm All values measured with flat audio response (300Hz to 3.4kHz) for 12dB SINAD Image rejection >60dB Intermodulation rejection >60dB Blocking >75dB Intermediate frequencies 45MHz and 455kHz Adjacent channel selectivity >60dB Recovered audio level 250mV (+20%) p-p into 10k? Squelch None General facilities Digital interface possible – serial data or remote control (customer specific) Power Power supply 4.5V DC nominal, (2.7 to 5.5V DC range) negative earth Supply current at 4.5V Receive <20mA, transmit <20mA General Size TBC Weight TBC Interface connections TBC RF connection TBC Temperature range -20%C to +55%C operating, -30%C to +70%C storage Type approval Complies with EN 300 220 Category 1 and EN 300 489 (EMC), Pb-Free. Wood & Douglas maintain a policy of continuous improvement and enhancement. As a consequence, the above specification may change without notice.