采用BFG480W晶体管的2APPLICATION INFORMATION 2.45 GHz power amplifier with the BFG480W Philips Semiconductors Application information 2.45 GHz power amplier with the BFG480W ABSTRACT Description of the product The BFG480W, one of the Philips double polysilicon wideband transistors of the BFG400 series. These transistors are characterised by a transition frequency higher than 20 GHz at low supply voltages. Application area Low voltage high frequency wireless applications. Presented application A power amplifier for a 2.45 GHz WLAN. Main results At a frequency of 2.45 GHz, a supply voltage of 3.0 V, and a control voltage of 3.0 V, the amplifier delivers an output power of 19 dBm at an input power of 8 dBm, with a power added efficiency of 38 %. PHILIPS ELECTRONICS N.V. 1999 All rights are reserved. R……