CX74037 Overview
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.
CX74037 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