This docum
Specifications and

WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6620 • e-mail: sales@wj.com • We
The Communications Edge
TM

Preliminary Product Information
AG403
InGaP HBT Gain Block

Functional Diagram Product Features

• DC - 5000MHz
• +17 dBm P1dB at 900MHz
• +31 dBm OIP3 at 900MHz
• 20.5 dB Gain at 900MHz
• Single Voltage Supply
• SOT-86 or SOT-89 SMT
Package
• Internally matched to 50 Ω




Product Description

The AG403 is a general-purpose buffer amplifier that offers high
dynamic range in a low-cost surface-mount package. At 900 MHz,
the AG403 typically provides 20.5 dB of gain, +31 dBm Output
IP3, and +17 dBm P1dB. The device combines dependable
performance with consistent quality to maintain MTBF values
exceeding 100 years at mounting temperatures of +85°C and is
housed in a SOT-86 and SOT-89 industry standard SMT packages.

The AG403 consists of Darlington pair amplifiers using the high
reliability InGaP/GaAs HBT technology process technology and
only requires DC-blocking capacitors, a bias resistor, and an
inductive RF choke for operation.

The broadband MMIC amplifier can be directly applied to various
current and next generation wireless technologies such as GPRS,
GSM, CDMA, W-CDMA, and UMTS. In addition, the AG403
will work for other various applications within the DC to 5 GHz
frequency range such as CATV and fixed wireless.

Typical Parameters
Parameter
1
Units Typical
Frequency MHz 900 1900
S21 dB 20.5 19
S11 dB -20 -20
S22 dB -18 -15
Output P1dB dBm +17 +16
Output IP3 dBm +31 +29
Noise Figure dB 3.7 3.8
Supply Voltage V 6 6
Device Current mA 60 60
1. Data represents typical performance in an application board with
T = 25ºC, V
s
= +6 V, and R
bias
= 16 Ω in a 50 Ω system.


Ordering Information
Part No. Description
AG403-86 InGaP HBT Gain Block
SOT-86 Style Package

(Available in Tape & Reel)
AG403-89 InGaP HBT Gain Block
SOT-89 Style Package

(Available in Tape & Reel)
AG403-86PCB Fully Assembled Application Board
AG403-89PCB Fully Assembled Application Board



Specifications
Parameters
1
Units Min Typ Max
Frequency Range MHz DC-5000
S21 - Gain dB 20.5
S11 - Input Return Loss dB -15
S22 - Output Return Loss dB -15
Output P1dB dBm +17
Output IP3 dBm +31
Noise Figure dB 3.7
Device Voltage V 5.0
Device Current mA 60
Test conditions unless otherwise noted
1. T = 25ºC, Supply Voltage = +6 V, R
bias
= 16 Ω, Frequency = 900MHz, 50 Ω System.
2. 3OIP measured with two tones at an output power of 0 dBm/tone separated by 10MHz. The
suppression on the largest IM3 product is used to calculate the 3OIP using a 2:1 rule.

Absolute Maximum Ratings
Parameters Rating
Operating Case Temperature -40 to +85 °C
Storage Temperature -40 to +125 °C
Operation of this device above any of there parameters may cause permanent damage

Application Circuit

AG403
C1
Blocking
Capacitor
RF OUT
L1
RF
Choke
VS = +6 V
IS = 60 mA
C3
Bypass Capacitor
C2
Blocking
Capacitor
R1
16 Ω
RF IN
AG43RF IN
GND
RF OUT
GND
AG403-86

RF IN GND RF OUT
GND
AG403
AG403-89
ent contains information on a new product.
information are subject to change without notice
b site: www.wj.com June 2002