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Descriptions
- One packaging three systems PLL, IF detector, Compressor and Expander (Compander).
It is possible to reduce many external parts. This IC is suitable for radio
sections for 900MHz~5.8GHz cordless phone.
Features
- One chip system : PLL, IF detector and Compander
- Low operating voltage : Vcc = 2.5 ~ 5.5 V
- PLL operating frequency : f = 600 MHz ~ 3.5 GHz
- Serial control for all status
- Built in receiver amp
- Selectable charge pump current in PLL
- Automatic gain control in Compander
- Pre-amp, filter amp limiter and mute logic in Compander
- IF amplifier has 96dB small signal gain
- Received signal strength indicator(RSSI) in FM IF
- Battery alarm setting
- Small package : MLF52pin
Applications
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