SIW1722

Bluetooth® Technology Solutions — SiW1722 RF Micro Devices® Offers the SiW1722™ UltimateBlue™ Radio Modem The SiW1722™ UltimateBlue™ radio modem is a thirdgeneration radio modem for Bluetooth wireless com® www.DataSheet4U.com Features   On-chip 50 Ohm RF match network with no external impedance matching components munications and is based on 0.18 µm CMOS technology. The highly integrated transceiver was specifically designed to meet the rigorous RF performance required for integrating Bluetooth technology into CDMA-based mobile phone applications. The SiW1722 radio modem combines a 2.4 GHz radio transceiver and Gaussian Frequency Shift Keying (GFSK) modem with digital control functions. The IC also incorporates analog and digital voltage regulators, a power-on-reset (POR) circuit and a reference Phase Lock Loop (PLL) to enable multiple input frequencies. The SiW1722 radio modem uses direct conversion (zero-IF) architecture. This allows digital filtering for excellent interference rejection as compared to low IF solutions, which have lower rejection due to analog matching limitations. The receiver features high sensitivity due to a low noise RF design combined with an advanced modem design. A fast hardware AGC enables full discovery of any device within the dynamic range of the receiver, solving near-far issues. The transmitter can maintain a stable output power level up to +4 dBm for class 2 operation, which in combination with the excellent receiver performance, ensures ...