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RF2140PCBA

3V DCS POWER AMPLIFIER

RF Micro Devices 

RF2140

Pin Function Description

Interface Schematic

15

VCC2

Power supply for the driver stage and interstage matching. This pin

forms the shunt inductance needed for proper tuning of the interstage

match. Please refer to the application schematic for proper configura-

tion, and note that position and value of the components are important.

VCC2

From Bias

Stages GND2

16

Pkg

VCC2

GND

Same as pin 15.

Same as pin 15.

Ground connection for the output stage. This pad should be connected

2

Base

to the groundplane by vias directly under the device. A short path is

required to obtain optimum performance, as well as to provide a good

thermal path to the PCB for maximum heat dissipation.

Rev A12 011031

2-133

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