UMA1020
Key Features
- Low current from 3 V supply
- Fully programmable RF divider
- 3-line serial interface bus
- Second synthesizer to control first IF or offset loop frequency
- Independent fully programmable reference dividers for each loop, driven from external crystal oscillator
- Dual phase detector outputs to allow fast frequency switching
- Dual power-down modes. APPLICATIONS
- 1 to 1.7 GHz mobile telephones
- power-down mode principal and auxiliary synthesizers ON
- 200 200 - MAX. 5.5