RF2362PCBA Ver la hoja de datos (PDF) - RF Micro Devices

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RF2362PCBA

PCS CDMA/TDMA 3V PA DRIVER AMPLIFIER

RF Micro Devices 

RF2362

Pin Function Description

Interface Schematic

1

RF IN

RF input pin. This pin is DC-coupled and matched to 50Ω at 1880MHz.

PD

RF IN

2

GND1

Ground connection. For best performance, keep traces physically short

and connect immediately to ground plane.

3

VPD

Power Down for the IC. VPD = 2.8V +/- 0.1V turns on the part.

VPD<0.9V turns off the part. External RF bypassing is required. The

trace length between the pin and the bypass capacitors should be min-

imized. The ground side of the bypass capacitors should connect

immediately to ground plane. Nominal current required for VPD = 2.8V

is 8.5 mA typical and 12 mA Max (@VPD =2.9 V).

4

RF OUT Amplifier Output pin. This pin is an open-collector output. It must be

biased to either VCC or pin 4 through a choke or matching inductor.

This pin is typically matched to 50Ω with a shunt bias/matching induc-

tor and series blocking/matching capacitor. Refer to application sche-

matics.

5

GND2

Ground connection. For best performance, keep traces physically short

and connect immediately to ground plane.

TO OUTPUT

STAGE

PD

Rev A5 020607

4-343

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