com CX74037 Transmit RF IC for TDMA or AMPS Applications Conexant’s CX74037 Transmit RF Application-Specific Integrated Circuit (ASIC) is a triple-mode, dual-band transmitter intended for use in IS-136 compliant cellular phones.
As a dual mode IC, it can be used in Time Division Multiple Access (TDMA) mode or Advanced Mobile Phone System (AMPS) mode.
The device is available in a 48-pin 7x7 Land Grid Array (LGA) package with downset paddle.
The CX74037 RF IC device includes the following functional components: • • • • • In-Phase and Quadrature (I/Q) modulator Two Intermediate Frequency (IF) Voltage Controlled Oscillator (VCO) inputs IF Variable Gain Amplifier (VGA) Two upconv...

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