Description
The ZL20200 is a fully integrated transceiver for dual band IS136/AMPS handsets. The IF input to the receive path is amplified and down-converted to baseband I and Q signals. Gain control is provided. Baseband filtering is also included. A FM demodulator is also provided to support AMPS operation.

FEATUREs
• Dual Band IS136 (800/1900 MHz) Compatible
• Fully Integrated Dual Band Transceiver
• Receive - IF to Baseband I and Q
• Transmit - Baseband I / Q to RF
• Integrated Filters
• FM Demodulator
• RF and IF Synthesizers
• Fully Programmable via serial bus
• 3 Volt operation
• Small scale package

APPLICATIONs
• Dual Band (850/PCS1900) TDMA/AMPS Mobile
   Telephones
• Cellular 850 MHz TDMA/AMPS Mobile
   Telephones
• PCS1900 TDMA Mobile Telephones
• Cellular Telematic Systems