UMA1015M Description
UMA1015M The UMA1015M is a low-power dual frequency synthesizer for radio munications which operates in the 50 to 1100 MHz frequency range. Each synthesizer consists of a fully programmable main divider, a phase and frequency detector and a charge pump. There is a fully programmable reference divider mon to both synthesizers which operates up to 35 MHz.
UMA1015M Key Features
- Two fully programmable RF dividers up to 1.1 GHz
- Fully programmable reference divider up to 35 MHz
- 2 : 1 or 1 : 1 ratio of selectable reference frequencies
- Fast three-line serial bus interface
- Adjustable phase parator gain
- Programmable out-of-lock indication for both loops
- On-chip voltage doubler
- Low current consumption from 3 V supply
- Separate power-down mode for each synthesizer
- Up to 4 open-drain output ports