CX74037 - Transmit RF
PA Drivers.
Two PA drivers are included, the 800 MHz driver The CX74037 is a TDMA transmitter for the 800 MHz and 1900 and the 1900 MHz driver.
Each driver takes its input from the MHz bands.
It also can be used as an FM transmitter in AMPS upconverter after passing through an image rejection filter
www.DataSheet4U.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 f
CX74037 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
