SKY74693
Description
The SKY74693 is a highly integrated, single Intermediate Frequency (IF) receiver intended for use in Code Division Multiple Access (CDMA) phones operating in Personal munications System (PCS), cellular CDMA, Advanced Mobile Phone System (AMPS), and Global Positioning System (GPS) modes. Skyworks provides the following three product options: - SKY74693-12.
Key Features
- Two-step gain control, PCS LNA
- Three-step gain control, cellular LNA
- External resistor to adjust LNA bias current
- Independent AMPS, CDMA, PCS, and GPS mixers
- Single LO input for CDMA, PCS, and GPS mixer
- Buffered LO signal for transmit upconverter
- Single external UHF VCO for PLL circuitry
- VGA with 90 dB dynamic range
- Integrated VHF oscillator and tank circuit
- VCO_ON control for current optimization
