CX20536 Overview
The CX20536 is a receive-only Code Division Multiple Access (CDMA) and Global Positioning System (GPS) Baseband Analog Processor (BAP) for dual-mode CDMA and GPS-capable portable phones. The device is designed to interface between the receive section and the digital processing circuitry of the telephone. The CX20536 includes all of the circuitry needed to support receive baseband signal processing and conversions...
CX20536 Key Features
- Single supply voltage 2.7 to 3.3 V
- Operational temperature -30 °C to +85 °C
- Low power consumption in all operating modes including sleep operation
- Single mode for CDMA phones, but also with GPS position location capability
- Receive signal path includes
- Separate CDMA, GPS filters, and ADCs
- DC offset correction
- Receive VHF PLL synthesizer
- Programmable charge pump current
- Lock detector output