2 WATT C-BAND NE85002
POWER GaAs MESFET SERIES
FEATURES
SELECTION CHART
TYPICAL PERFORMANCE
•
•
•
•
CLASS A OPERATION
PART
NUMBER
POUT
FREQUENCY
RANGE
GL
HIGH EFFICIENCY: ηADD ≥ 39% TYP
BROADBAND CAPABILITY
(dBm)
(GHz)
(dB)
NE8500200
33.8 MIN
33.8 MIN
33.8 MIN
33.5 MIN
2.0 to 10
3.5 to 4.5
5.5 to 6.5
7.5 to 8.5
8.0 MIN
10.5 MIN
9.5 MIN
8.0 MIN
PACKAGE OPTIONS:
Chip
Hermetic Package
NE8500295-4
NE8500295-6
NE8500295-8
•
•
PARTIALLY MATCHED INPUT FOR PACKAGED
DEVICES
PROVEN RELIABILITY
DESCRIPTION
The NE8500295 power GaAs FET covers the 3.5 to 8.5 GHz
frequency range with three different Class A, 2 W partially
matcheddevices.Eachpackageddevicehasaninputlumped
element matching network.
The NE8500200 is the six-cell recessed gate chip used in the
"95" package. The device incorporates a Ti-Al gate structure,
SiO2 glassivation and plated heat sink technology.
ELECTRICAL CHARACTERISTICS (TC = 25°C)
PART NUMBER
PACKAGE OUTLINE
NE85002001
00 (CHIP)
NE8500295-4
95
NE8500295-6
95
NE8500295-8
95
SYMBOLS
PARAMETERS AND CONDITIONS UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX
IDSS
Saturated Drain Current
VDS = 2.5 V, VGS = 0 V
mA 950
1900 950
-1.0 -3.0
1900 950
-1.0 -3.0
1900 950
-1.0 -3.0
1900
-1.0
VP
gm
Pinch-off Voltage
VDS = 2.5 V, ID = 8 mA
V
mS
V
-3.0
Transconductance
VDS = 2.5 V, ID = IDSS
600
10
600
600
600
BVGDO
IGS
Drain-Gate Breakdown Voltage
IGD = 8 mA
18
18
18
18
Gate to Source Current, VDS = 10 V,
IDSQ = 450 mA, POUT = PTEST
mA -2.4
2.4 -2.4
15
2.4 -2.4
15
2.4 -2.4
15
2.4
15
RTH
Thermal Resistance (Channel-to-Case) °C/W
2
PTEST
Power Output at Test Point
VDS = 10 V, IDS = 450 mA set
PIN = 27.0 dBm
PIN = 24.5 dBm
PIN = 25.5 dBm
dBm 33.8
dBm
dBm
33.5
8.0
33.8
10.5
33.8
9.5
GL
Linear Gain
VDS = 10 V, IDS = 450 mA
dB
%
8.0
9.0
42
3
ηADD
Power Added Efficiency
at PTEST
47
OUT - PIN
45
39
Notes:
P
η
ADD =
x 100%
1. Six-cell chip: all cells are used. RF performance of the chip is
determined by packaging 10 chips per wafer. Wafer rejection
criteria for standard devices are 2 rejects per 10 samples.
2. This is a production test. Test frequencies are: -4 @ 4.2 GHz,
-6 @ 6.5 GHz, -8 and NE8500200 @ 8.5 GHz.
3.
V
DS - ID
CaliforniaEasternLaboratories