PHILIPS PCF5077T Power amplifier controller for GSM PCN systems handbook

The PCF5077T is a low-voltage, low-power, burst mode power amplifier controller for GSM and PCN systems from Philips Semiconductors. It has 256 different power levels, two programmable regulator start conditions, programmable analog output voltage limitation, ramping speed based on the 13 MHz system frequency clock, and compatibility with a large number of different RF power modules.