3W, L/S-BAND
NE6500379A
MEDIUM POWER GaAs MESFET
FEATURES
• LOW COST PLASTIC SURFACE MOUNT PACKAGE
Available on Tape and Reel
• USABLE TO 2.7 GHz:
Fixed Wireless Access, ISM, WLL, MMDS, IMT-2000,
PCS
5.7 MAX
0.6 – 0.15
4.2 MAX
OUTLINE DIMENSIONS
(Units in mm)
PACKAGE OUTLINE 79A
1.5 – 0.2
Source
Source
Gate
Drain
0.8 – 0.15
4.4 MAX
E
• HIGH LINEAR GAIN:
10 dB TYP at 1.9 GHz
• LOW THERMAL RESISTANCE:
5 C/W
T
9
0.4 – 0.15
5.7 MAX
1.0 MAX
0.8 MAX
3.6 – 0.2
0.2 – 0.1
DESCRIPTION
The NE6500379A is a 3 W GaAs MESFET designed for me-
dium power Fixed Wireless Access, ISM, WLL, PCS, IMT-
2000, and return path MMDS transmitter applications. It is
capable of delivering 3 Watts of output power with high linear
gain, high efficiency and excellent linearity. Reliability and
performance uniformity are assured by NEC's stringent qual-
ity and control procedures
Note: Unless otherwise specified, tolerance is
±0.2
mm
ELECTRICAL CHARACTERISTICS
(T
C
PART NUMBER
PACKAGE OUTLINE
SYMBOLS
CHARACTERISTICS
Power Out at 1dB Gain Compression
Linear Gain
1
Power Added Efficiency
Drain Current
Saturated Drain Current
Pinch-Off Voltage
Thermal Resistance
Gate-to-Drain Breakdown Voltage
= 25°C)
NE6500379A
79A
UNITS
dBm
dB
%
A
A
V
°C/W
V
17
-3.6
9.0
MIN
TYP
35.0
10.0
50
1.0
4.5
-2.6
5
-1.6
6
V
DS
= 2.5 V; V
GS
= 0 V
V
DS
= 2.5 V; I
DS
= 21 mA
Channel to Case
I
GD
= 21 mA
f = 1.9 GHz, V
DS
= 6.0 V
Rg = 30
Ω
I
DSQ
= 500 mA (RF OFF)
2
MAX
TEST CONDITIONS
Functional
Characteristics
P
1dB
G
L
η
ADD
I
D
Electrical DC
Characteristics
I
DSS
V
P
R
TH
BV
GD
Notes:
1. Pin = 0 dBm
2. DC performance is tested 100%. Several samples per wafer are tested for RF performance. Wafer rejection criteria for standard devices is 1
reject for several samples.
0.9 – 0.2
BOTTOM VIEW
California Eastern Laboratories
1.2
MAX
• HIGH OUTPUT POWER:
35 dBm TYP
X
Gate
Drain
NE6500379A
ABSOLUTE MAXIMUM RATINGS
1
(T
C
= 25
°C)
SYMBOLS
V
DS
V
GS
I
DS
I
GS
P
T
T
CH
T
STG
PARAMETERS
Drain to Source Voltage
Gate to Source Voltage
Drain Current
Gate Current
Total Power Dissipation
Channel Temperature
Storage Temperature
UNITS
V
V
A
mA
W
°C
°C
RATINGS
15
-7.0
5.6
50
21
150
-65 to +150
RECOMMENDED OPERATING LIMITS
SYMBOLS
V
DS
T
CH
G
COMP
PARAMETERS
Drain to Source Voltage
Channel Temperature
Gain Compression
UNITS
V
°C
dB
TYP
6.0
MAX
6.0
125
3.0
ORDERING INFORMATION
PART NUMBER
NE6500379A-T1
NE6500379A
QTY
1 K/Reel
Bulk, 50 piece min.
Note:
1. Operation in excess of any one of these parameters may result
in permanent damage.
TYPICAL PERFORMANCE CURVES
TOTAL POWER DISSIPATION vs.
CASE TEMPERATURE
25
(T
A
= 25°C)
DRAIN CURRENT vs.
DRAIN VOLTAGE
1.00
V
GS
= -1.8 V
-1.9 V
0.8
-2.0 V
-2.1 V
0.6
-2.2 V
-2.3 V
0.4
-2.4 V
-2.5 V
0.2
-2.6 V
-2.7 V
V
-2.8
Total Power Dissipation, P
D
(W)
22 W
20
15
R
TH
= 6
°C/W
10
5
Drain Current, I
D
(A)
0
0
V
-2.9
.0 V
-3
18
°C
50
100
150
0
2
4
6
8
10
12
14
15
Case Temperature, T
C
(°C)
Drain Voltage, V
D
(V)
TRANSCONDUCTANCE AND DRAIN
CURRENT vs. GATE VOLTAGE
2.00
1.00
25.0
MAXIMUM AVAILABLE GAIN vs.
FREQUENCY
0.8
Maximum Available Gain, G
MAG
(dB)
Transconductance, G
M
(mS)
20.0
Drain Current, I
D
(A)
3V
300 mA
8V
500 mA
0.6
1.00
0.4
15.0
6V
500 mA
10.0
0.5
0.2
0.00
-3.50
0.00
-1.50
5.0
0.1
0.2
0.4
0.6
1.0
2.0
4.0
Gate Voltage, V
G
(V)
Frequency, f (GHz)
NE6500379A
TYPICAL SCATTERING PARAMETERS
(T
A
= 25°C)
Note: This file and many other s-parameter files can be downloaded from www.cel.com
j50
j25
S11
4.0 GHz
S22
4.0 GHz
90˚
j100
120˚
60˚
S12
0.5 GHz
S21
0.5 GHz
S12
4.0 GHz
S21
4.0 GHz
150˚
30˚
j10
0
10
S11
0.5 GHz
S22
0.5 GHz
25
50
100
0
180˚
0˚
-j10
-j25
-j50
-j100
Coordinates in Ohms
Frequency in GHz
V
D
=
3.0 V, I
D
= 300 mA
-150˚
-30˚
-120˚
-90˚
-60˚
NE6500379A
V
D
= 6.0 V, I
D
= 500 mA
FREQUENCY
GHz
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.80
1.90
2.00
2.10
2.20
2.30
2.40
2.50
2.60
2.70
2.80
2.90
3.00
3.10
3.20
3.30
3.40
3.50
3.60
3.70
3.80
3.90
4.00
Note:
1. Gain Calculation:
MAG =
|S
21
|
|S
12
|
S
11
MAG
0.966
0.967
0.965
0.965
0.965
0.965
0.965
0.965
0.965
0.965
0.965
0.966
0.966
0.966
0.966
0.967
0.968
0.967
0.968
0.968
0.969
0.969
0.970
0.970
0.970
0.971
0.970
0.972
0.971
0.971
0.973
0.974
0.973
0.974
0.973
0.974
ANG
-174.30
-177.11
-179.62
178.38
176.58
174.96
173.44
172.10
170.80
169.61
168.44
167.32
166.26
165.26
164.32
163.43
162.52
161.56
160.76
160.00
159.26
158.55
157.78
157.08
156.48
155.74
155.08
154.43
153.91
153.33
152.84
152.20
151.72
151.28
150.86
150.75
MAG
2.139
1.783
1.531
1.343
1.192
1.072
0.975
0.895
0.825
0.765
0.716
0.672
0.632
0.596
0.566
0.540
0.513
0.488
0.468
0.450
0.432
0.413
0.397
0.385
0.372
0.359
0.346
0.336
0.327
0.316
0.308
0.301
0.292
0.282
0.273
0.266
S
21
ANG
85.82
82.99
80.36
78.11
75.93
73.74
71.58
69.70
67.81
65.81
63.89
62.25
60.58
58.64
56.79
55.24
53.75
51.90
50.11
48.58
47.36
45.84
44.14
42.59
41.43
40.09
38.46
37.25
35.97
34.75
33.35
32.01
30.79
29.50
27.94
27.01
MAG
0.014
0.014
0.014
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.015
0.016
0.016
0.015
0.015
0.015
0.015
0.016
0.016
0.015
0.016
0.016
0.017
0.018
0.018
0.018
0.019
0.019
S
12
ANG
10.23
9.64
10.32
10.26
10.85
11.62
11.65
12.25
12.72
12.90
13.20
13.85
14.68
14.92
15.56
15.70
17.08
16.80
17.63
18.37
19.74
19.89
20.56
21.83
23.56
24.26
25.44
27.74
29.52
31.71
33.06
32.99
32.12
33.04
31.76
32.12
MAG
0.880
0.881
0.881
0.882
0.881
0.880
0.881
0.881
0.880
0.879
0.881
0.881
0.880
0.877
0.880
0.882
0.880
0.876
0.876
0.881
0.881
0.878
0.877
0.882
0.883
0.881
0.879
0.885
0.885
0.882
0.882
0.884
0.883
0.880
0.877
0.886
S
22
ANG
176.31
175.27
174.08
173.23
172.33
171.34
170.32
169.56
168.73
167.80
166.90
166.23
165.51
164.64
163.73
163.14
162.60
161.72
160.81
160.18
159.90
159.26
158.32
157.46
157.13
156.56
155.69
154.96
154.33
153.69
152.89
152.34
151.99
151.43
150.64
150.34
K
0.32
0.36
0.45
0.50
0.56
0.64
0.69
0.73
0.80
0.84
0.86
0.92
1.00
1.06
1.08
1.08
1.13
1.22
1.27
1.26
1.29
1.34
1.42
1.41
1.44
1.47
1.57
1.54
1.61
1.68
1.56
1.48
1.54
1.54
1.61
1.52
MAG
1
(dB)
21.74
20.93
20.24
19.66
19.12
18.65
18.17
17.77
17.41
17.04
16.75
16.46
16.22
14.46
13.97
13.70
13.00
12.19
11.72
11.55
11.19
10.76
10.32
10.16
9.88
9.56
9.04
9.03
8.55
8.13
8.21
8.14
7.76
7.53
7.12
7.23
(
K –
K
2
- 1
).
When K
≤
1, MAG is undefined and MSG values are used. MSG =
2
2
2
|S
21
|
, K = 1 + |
∆
| - |S
11
| - |S
22
|
,
∆
= S
11
S
22
- S
21
S
12
|S
12
|
2 |S
12
S
21
|
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
NE6500379A
APPLICATION CIRCUIT (1.93 - 1.99 GHz)
V
G
J3
C3
C9
C11
P1
GND
V
D
J4
C2
C8
C10
C13
RF
IN
J1
C5
T C
7 X
C12
RF
OUT
J2
R2R1
C6
C1
C4
U1
100637
NE6500379A-EV
Contact CEL Engineering for artwork
and more detailed information.
.034
J3
V
G
C13
C11
C9
C3
L = .890
W = .010
R6
NE650379A
L = .200
W = .050
C4 L = .140
W = .050
C1
C7
Er = 4.2
H = .028"
L = .874
W = .010
C2
C8
C10
C12
J4
V
D
J1
RF Input
J2
RF Output
C14
C6
C5
NE6500379A PARTS LIST
1
4
2
1
2
1
1
1
1
2
2
2
1
1
1
2
TF-100637
MA101J
MCR03J200
100A470CP150X
100A4R3CP150X
100A5R6CP150X
100A0R5CP150X
100A0R8CP150X
TAJB475K010R
GRM40X7R104K025BL
GRM40C0G102J050BD
NE6500379A
703401
1250-003
2052-5636-02
C2, C3
R1
C1, C14
C4
C5
C6
C7
C12, C13
C10, C11
C8, C9
U1
P1
J3, J4
J1, J2
TEST CIRCUIT BLK
2-56 X 3/16 PHILLIPS PAN HEAD
CASE 1100 pF CAP MURATA
0603 20 OHMS RESISTOR ROHM
CASE A 47 pF CAP ATC
CASE A 4.3 pF CAP ATC
CASE A 5.6 pF CAP ATC
CASE A 0.5 pF CAP ATC
CASE A 0.8 pF CAP ATC
CASE B 4.7 uF CAP AVX
0805 .1 uF CAP MURATA
0805 1000 pF CAP MURATA
IC NEC
GROUND LUG CONCORD
FEEDTHRU MURATA
FLANGE MOUNT JACK RECEPTACLE
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
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