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Single-chip FSK/ASK CMO transceiver

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CHIPCON, represented by Clarke & Severn , has released the industry's first single-chip FSK and ASK CMOS RF transceiver, the CC 1020, for designers needing one-way and two-way RF systems, narrowband operations, and/or high data rates.

Suitable for applications such as automatic meter reading, alarm and security, remote keyless entry, tyre pressure monitoring and home automation systems.

The CC 1020's circuit is designed for the industrial, scientific and medical (ISM )and short range device (SRD) and in frequency bands 426, 429, 433, 868 and 915MHz, but can easily be programmed at other frequencies in the 424-470 and 848-940MHz range.

Suiting narrow-band systems with channel widths of 12.5 or 25kHz complying with EN 300 220, the device's communication range goes to 2000m by increasing the programmable IF bandwidth data rates up to 153.6kbit/s can be supported.

It features high sensitivity of -119dBm for 12.5kHz channel width, programmable output power, low current consumption of RX:16mA, low supply voltage 2.3 to 3.6V. No external IF filter is needed and it has a low-IF receiver.

Few external components are needed and it is supplied in a small 32-pin QFN package. It features a digital RSSI and carrier sense indicator, single port antenna connection, data rate up to 153.6 kBaud and ASK, FSK and GSFK data modulation. It suits frequency hopping systems.

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