INTRODUCTION

S1M8662A is CDMA/PCS/GPS Triple Mode IF/ baseband IC which is divided into three main parts - IF frequency processing, basband processing , and digital interface. The receiver IC (S1M8662A)and transmitter IC (S1M8657) are provided as a KIT.

S1M8662A is a receiver IC, installed with a Rx AGC, Baseband Converter, Baseband analog filter, and A-D Converter. It can send a digital baseband signal to the digital baseband IC.

FEATURES

• Cellular CDMA/PCS/GPS Triple Mode

• AGC input signal range : 90dB

• QPSK Baseband Converter

• Built-in I ,Q Baseband signal extractor LPF

• Built-in 4-bit ADC for converting I and Q CDMA analog baseband signals to digital baseband signals

• Built-in VCO for baseband conversion

• Built-in Modem PDM control circuit to compensate the I and Q offsets

• Built-in TCXO output ON/OFF

• 3-Line Serial Port Interface (SPI)

• Operating Voltage : 2.7 to 3.3V

• 32BCC++(5mm * 5mm * 0.8mm) Package