Description A7121 is a monolithic CMOS integrated circuit for wireless applications in 2.4GHz ISM band. The device is provided a complete GFSK transceiver up to 3Mbps data rate. The chip features a fully programmable frequency synthesizer with integrated VCO circuitry. Features 2400MHz~2484MHz worldwide license free frequency band Up to 79 selectable channels 2.2 V 2.8 V voltage supply Programmable output power up to 0dBm Channel switching time < 200us 1 or 3Mbps high speed data rate -20 C to 85 C operating temperature -87dBm sensitivity Direct / FIFO mode operation Modem interface for low speed, low cost microcontroller Low IF architecture with few external components Pin Configurations 23456789 10111213141516 2423222120191817 3231302928272625A7121 QFN Package Top View A7121PRELIMINARY (Mar. 2005, Version 0.6) AMIC Technology, Corp. Application Circuit Important Notice: AMIC reserves the right to make changes to its products or to discontinue any integrated circuit product or service features a fully programmable frequency synthesizer with integrated VCO circuitry. Features 2400MHz~2484MHz worldwide license free frequency band Up to 79 selectable channels 2.2 V 2.8 V voltage supply Programmable output power up to 0dBm Channel switching time < 200us 1 or 3Mbps high speed data rate -20 C to 85 C operating temperature -87dBm sensitivity Direct / FIFO mode operation Modem interface for low speed, low cost microcontroller Low IF architecture with few external components Pin Configurations 23456789 10111213141516 2423222120191817 3231302928272625A7121 QFN Package Top View A7121PRELIMINARY (Mar. 2005, Version 0.6) AMIC Technology, Corp. Application Circuit Important Notice: AMIC reserves the right to make changes to its products or to discontinue any integrated circuit product or service without notice. AMIC integrated circuit products are not designed, intended, authorized, or warranted to be suitable for use in life-support applications, devices or systems or other crit A7121 Preliminary 2.4GHz GFSK Transceive