AS3801 Description
The AS3801 is a gain controlled amplifier designed for the transmit section of dual mode CDMA/FDM, TDMA/FDM or FM/FDM cellular phones. Key specifications like gain range, noise figure, IP3, temperature range and other specifications are designed to be in line with the IS-95 standard for CDMA cellular munications. The circuit is designed for narrow band IF applications but can also be used in wideband applications.