Description
The CXA3003R is a baseband analog processing IC for dual-mode CDMA/FM cellular phone.
The CXA3003R interfaces between the inter-frequency section and the digital processing circuitry of the telephone.
Features
- Receive signal path includes:.
- IF to baseband down conversion.
- Built-in trim-free low-pass filter for CDMA and FM.
- Built-in A/D convertor convert the RX base band signal to the digital signal.
- Analog output Receive Signal Strength Indicator (RSSI) for CDMA.
- Local Oscillator for I-Q mixer.
- Transmit signal path includes:.
- Built-in D/A convertor convert the digital I-Q data to the analog baseband signal.
- Built-in trim-free low-pass filter for CD.