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RF2163

3V, 2.5GHz LINEAR POWER AMPLIFIER

RF Micro Devices 

RF2163

Pin Function Description

Interface Schematic

1

GND

Ground connection. For best performance, keep traces physically short

and connect immediately to ground plane.

2

RF IN

RF input. This input is AC coupled, so an external blocking capacitor is not

VCC1

required if this pin is connected to a DC path.

Bond Wire

Inductance

RF IN

BIAS

3

BIAS GND2 Ground for second stage bias circuit. For best performance, keep traces See pin 16.

physically short and connect immediately to ground plane.

4

PWR SEN The PWR SEN and PWR REF pins can be used in conjunction with an exter-

nal feedback path to provide an RF power control function for the RF2163.

The power control function is based on sampling the RF drive to the final

stage of the RF2163.

RF OUT

PWR SEN

BIAS

PWR REF

5

PWR REF Same as pin 4.

See pin 4.

6

VREG1

This pin requires a regulated supply to maintain the correct bias current. See pin 16.

7

VREG2

Same as pin 6.

See pin 16.

8

BIAS GND1 Ground for first stage bias circuit. For best performance connect to ground See pin 16.

with a 10nH inductor.

9

GND

Same as pin 1.

10

RF OUT

RF output and bias for the output stage. The power supply for the output

transistor needs to be supplied to this pin. This can be done through a

quarter-wave length microstrip line that is RF grounded at the other end, or

through an RF inductor that supports the required DC currents.

BIAS

RF OUT

11

RF OUT Same as pin 10.

See pin 10.

12

RF OUT Same as pin 10.

See pin 10.

13

NC

Not connected.

14

VCC1

Interstage match and bias for first stage output. Connect interstage match- See pin 2.

ing capacitor to t pin with a short trace. Connect low-frequency bypass

capacitors to this pin with a long trace. See evaluation board layout for

details.

15

VCC1

Same as pin 14.

See pin 2.

16

VCC

Power supply pin for the bias circuits. External low frequency bypass capac-

VCC

itors should be connected if no other low frequency decoupling is nearby.

VREG1

VREG2

BIAS

Pkg

Base

GND

Ground connection. The backside of the package should be connected to

the ground plane through a short path, i.e., vias under the device may be

required.

BIAS BIAS

GND1 GND2

See pin 1 and 2.

Rev A6 DS060301

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

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