An apparatus and method for controlling a transmission power of a base transceiver
station in a CDMA mobile communication system is disclosed. The apparatus for controlling
a transmission power in a CDMA mobile communication system, including: a central
processing unit (CPU) for performing control operation according to a power control
require signal of a user; a gain controller for outputting a gain signal according
to the CPU control; and a gain variable amplifier for regulating transmission power
by varying according to the gain signal of the gain controller.