SPA-1218 查看數據表（PDF） - Stanford Microdevices

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SPA-1218

1960 MHz 1 Watt Power Amp with Active Bias

Stanford Microdevices 

Product Description

Stanford Microdevices’ SPA-1218 is a high efficiency GaAs

Heterojunction Bipolar Transistor (HBT) amplifier housed in

a low-cost surface-mountable plastic package. These HBT

amplifiers are fabricated using molecular beam epitaxial

growth technology which produces reliable and consistent

performance from wafer to wafer and lot to lot.

SPA-1218

Preliminary

1960 MHz 1 Watt Power Amp with

Active Bias

This product is specifically designed for use as a driver

amplifier for infrastructure equipment in the 1950 MHz PCS

band. Its high linearity makes it an ideal choice for multi-carrier

and digital applications.

VCC

VBIAS

RFIN

N/C

Active

Bias

Input

Match

RFOUT/

VCC

Product Features

• On-chip Active Bias Control

• Patented High Reliability GaAsHBT Technology

• High Linearity Performance: +48dBm OIP3 Typ.

• Surface-Mountable Plastic Package

Applications

• PCS Systems

• Multi-Carrier Applications

Symbol

f0

P1dB

S21

S11

OIP3

Icc

Rth, j-l

Parameters: Test Conditions:

Z0 = 50 Ohms, VCC=5V, Temp = 27ºC

Frequency of Operation

Output Power at 1dB Compression

Vc1, Vbias, Vc2 = 5.0V

Small Signal Gain

Input VSWR

Output Third Order Intercept Point

Power out per tone = +14 dBm

Device Current, VCC= 5V

Thermal Resistance (junction - lead)

Units

MHz

dBm

dB

-

dBm

mA

ºC/W

Min.

1930

Typ.

29.5

12.0

1.5:1

48.0

320

40

Max.

1990

The information provided herein is believed to be reliable at press time. Stanford Microdevices assumes no responsibility for inaccuracies or omissions.

Stanford Microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at the user’s own risk. Prices and specifications are

subject to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. Stanford Microdevices does not

authorize or warrant any Stanford Microdevices product for use in life-support devices and/or systems.

Copyright 2000 Stanford Microdevices, Inc. All worldwide rights reserved.

522 Almanor Ave., Sunnyvale, CA 94085

Phone: (800) SMI-MMIC

http://www.stanfordmicro.com

1

EDS-101428 Rev A

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