SKY74702 Transmitter for CDMA Applications

SKY74702 Transmitter for CDMA Applications

The SKY74702 device is a single-supply, monolithic integrated circuit. It is designed for use in single-mode Code Division Multiple Access (CDMA) cellular voice/data applications including extensions for CDMA-Japan. The SKY74702 is a highly integrated superheterodyne transmitter that incorporates th.

Features

• Serial bus interface control
• Low power consumption in all operating modes
• Image reject upconverter replaces external RF SAW filter
• Transmit power control with 90 dB dynamic range
• Variable gain RF block for improved in-band SNR
• VHF VCO (external tank), 200 to 700 MHz
• VHF VCO switching to increase the talk time of the radio
• Two separate PLL synthesizers provide dual-loop, multi-band operation and power-save mode for both standby and lower frequency of operation DataShee VCC_MIXER_1 VCC_MIXER_2 VGA_OUT+ VGA_OUT
  – VGA_CTRL
• Transmit puncture pin disables programmable portions .