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DCR™ Transceivers
Skyworks has shipped over 25 million direct conversion radio transceivers since it launched the world's first single-chip DCR transceiver over two years ago. Now used by over 20 of the world's leading manufacturers in more than 100 models, Skyworks single-chip DCR transceiver radically simplifies cellular phone architectures, reduces cost, improves handset power efficiency, and enables key features such as built-in cameras and large color screens. Skyworks family of DCR transceivers stand alone in the industry and is at the heart of Skyworks multi-band GSM/GPRS/EDGE RF subsystems.
The DCR Transceiver family features:
- Direct down-conversion eliminates IF stage
- Integrated quad-band LNAs, transmit VCOs, and loop filters
- Single integrated, fully programmable fractional-N synthesizer
- Digital crystal oscillator reference frequency control
- Low external component count
The DCR Transceiver family consists of:
- SKY74117 RF Transceiver - Direct conversion transceiver that can be combined with virtually any standard GSM/EGPRS baseband without requiring special processing interfaces
- SKY74963 RF Transceiver - Direct conversion transceiver with a power ramping controller and integrated crystal oscillator
- CX74063 RF Transceiver - Direct conversion transceiver eliminates the need for external IF components, an integrated power ramping contoller, and crystal oscillator