PMB8825

P R O D U C T Dual-Band Power Amplifier for WLAN Systems The Infineon dual-band Power Amplifier PMB 8825 is an extremely linear, high power SiGe amplifier for Wireless LAN applications and is fully compliant with IEEE802.11a, 11b and 11g standards with data rates up to 54 Mbit/s in 802.11a and 11g mode. The PMB 8825 is designed to form an Infineon WLAN chipset in combination with the PMB 8680 dual-band RF Transceiver, the PMB 8787 dual-band Modem IC (PHY) and the PMB 8789 MAC IC. B R I E F Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Enhanced bipolar technology (SiGe) Dual-band and dual-mode solution Single +3.3 V supply voltage WirelessLAN Applications ■ ■ ■ ■ ■ ■ ■ High data-rate wireless LAN PC card wireless LAN adapters (Mini) PCI wireless LAN cards CardBus wireless LAN adapters Compact flash wireless LAN cards USB wireless LAN adapters Wireless LAN modules, access points, bridge products, and point-to-multipoint systems Highly linear PA for OFDM and DSSS/CCK Low EVM for 64 QAM/54 Mbit/s Low power droop Analog power control for both bands Digital band select (2.4 GHz/5 GHz) Digital standby mode Integrated power detector with buffer for power control loop Operating ambient temperature: -40 ... +85°C Small size VQFN-24 package with heat sink ■ ■ P M B 8 8 2 5 Dual-Band Power Amplifier N e v e r s t o p t h i n k i n g . P R O D U C T VCC5 1st Driver Stage RF Input 5 GHz Interstage Matching B R I E F VCC6 2nd Driver Stage Interstage Matching Output Stage BREF Block Diagra...