2–8 GHz Medium Power
Gallium Arsenide FET
Technical Data
ATF-44101
range.Thisnominally.5 micron
gate length GaAs FET is an
Features
100 mil Flange
• High Output Power:
32.0 dBmTypicalP 1dB at4 GHz
interdigitated four-cell structure
using airbridge interconnects
between source fingers. Total gate
periphery is 5 millimeters. Proven
gold based metallization systems
and nitride passivation assure a
rugged, reliable device.
• High Gain at 1 dB
Compression:
8.5 dBTypicalG 1dB at4 GHz
• High Power Efficiency:
35%Typicalat4 GHz
• Hermetic Metal-Ceramic
Stripline Package
This device is suitable for applica-
tions in space, airborne, military
ground and shipboard, and
commercial environments. It is
supplied in a hermetic high
reliability package with low
parasitic reactance and minimum
thermal resistance.
Description
The ATF-44101 is a gallium
arsenide Schottky-barrier-gate
field effect transistor designed for
medium power, linear amplifica-
tion in the 2 to 8 GHz frequency
Electrical Specifications, TA = 25°C
Symbol
Parameters and Test Conditions
Units Min. Typ. Max.
P1 dB
Power Output @ 1 dB Gain Compression:
VDS =9 V, IDS =500mA
f=4.0GHz dBm 31.0
f=6.0GHz
32.0
31.5
G1 dB
1 dB Compressed Gain: VDS = 9 V, IDS = 500 mA
f=4.0GHz
f=6.0GHz
dB
7.5
8.5
5.5
ηadd
gm
Efficiency@P :VDS =9V, IDS =500mA
f=4.0GHz
%
mmho
mA
35
1dB
Transconductance:VDS =2.5V, IDS =500mA
Saturated Drain Current: VDS = 1.75 V, VGS = 0 V
Pinch-off Voltage: VDS = 2.5 V, IDS = 25 mA
300
IDSS
VP
800
-5.4
1300 1500
V
-4.0
-2.0
5-89
5965-8727E