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CX74037 Datasheet Transmit Rf

Manufacturer: Conexant Systems

Overview: .. 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 pliant 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 ponents: • • • • • In-Phase and Quadrature (I/Q) modulator Two Intermediate Frequency (IF) Voltage Controlled Oscillator (VCO) inputs IF Variable Gain Amplifier (VGA) Two upconverters Two drivers for external Power Amplifiers (PAs).

Datasheet Details

Part number CX74037
Manufacturer Conexant Systems
File Size 186.72 KB
Description Transmit RF
Datasheet CX74037_ConexantSystems.pdf

Key Features

  • Sectional enable lines for independent control of circuits within the chip.
  • 90 dB IF VGA range.
  • Separate IF frequencies can be used for the 800 MHz (AMPS) and 1900 MHz Bands (PCS).
  • Dual drivers for 800 MHz and 1900 MHz.
  • PA driver is deactivated by using the Driver Enable signal when there is no transmission.
  • Available in a 48-pin, 7x7 LGA package with downset paddle.

More Datasheets from Conexant Systems

Part Number Description
CX74036 IS-136 Receive RF IC for TDMA and AMPS Applications
CX77301 PA Module for Dual-Band EGSM900

CX74037 Distributor