RF142 Description
High selects VPCDCS as the output control pin; low selects VPCGSM as the output control pin. 1800 MHz/1900 MHz power amplifier control voltage 900 MHz power amplifier control voltage Vcc for the output stage BAND VPCGSM VREF VMP Gain Shaper VPCDCS RFPC+ RFPC VCC2 VCC1 GND AUX+ Logarithmic Detector Amp 1 Amp 2 DC Bias Circuitry AUX CAP- CAP+ VAPC- VAPC+ ENABLE C013 Figure.
RF142 Key Features
- RF PA controller for use with HBT PAs
- 50 dB detector dynamic range
- Broadband, logarithmic power detector (800 MHz to 2000 MHz)
- Logarithmic RF power detector requires no external diodes
- Integrator and gain shaping block enhance loop stability and linearity
- Three-cell battery operation (2.7 V to 5.0 V)
- Standby mode with 20 µA of current consumption
- 20-pin Thin Shrink Small Outline Package (TSSOP)