MGCT04 Datasheet (Zarlink Semiconductor)

MGCT04, Transmit Circuit

General The MGCT04 circuit is designed to provide the transmit function in dual band dual mode CDMA/ AMPS IS136/AMPS mobile phones.

The circuit contains the following blocks: 1.

Quadrature modulator 2.

VHF voltage controlled oscillator buffer and divide by 8 prescaler 3.

Active IF low pass ﬁlter 4.

MGCT04 Features

* Dual RF Ports for 900MHz and 1900MHz AGC Ampliﬁer with 90dB of Variable Gain, Fully Compensated for Temperature On-chip Active Filter. Removes the Requirement for External IF SAW Filter High Power 900MHz and 1900MHz Output Stages Quadrature