NEC NE76038

LOW NOISE
L TO Ku-BAND GaAs MESFET
FEATURES
NE76038
NOISE FIGURE & ASSOCIATED
GAIN vs. FREQUENCY
VDS = 3 V, IDS = 10 mA
4
• HIGH ASSOCIATED GAIN:
7.5 dB typical at 12 GHz
24
21
• LG = 0.3 µm, WG = 280 µm
• LOW COST PLASTIC PACKAGING
• TAPE & REEL PACKAGING OPTION AVAILABLE
Noise Figure, NF (dB)
3.5
Ga
3
18
2.5
15
2
12
1.5
9
1
6
NF
DESCRIPTION
NE76038 is a high performance gallium arsenide metal
semiconductor field effect transistor housed in a plastic
package. Its low noise figure makes this device appropriate
for use in the second or third stages of low noise amplifiers
operating in the 1 - 14 GHz frequency range. The device is
fabricated using ion implantation for improved RF and DC
performance, reliability, and uniformity. These devices feature a recessed 0.3 micron gate and triple epitaxial technology.
0.5
3
0
0
1
10
Associated Gain, GA (dB)
• LOW NOISE FIGURE:
1.8 dB typical at 12 GHz
20
Frequency, f (GHz)
NEC's stringent quality assurance and test procedures ensure the highest reliability and performance.
ELECTRICAL CHARACTERISTICS (TA = 25°C)
PART NUMBER
PACKAGE OUTLINE
SYMBOLS
NFOPT1
GA
IDSS
PARAMETERS AND CONDITIONS
NE76038
38
UNITS
Optimum Noise Figure at VDS = 3 V, IDS = 10 mA
f = 4 GHz
f = 12 GHz
dB
dB
Associated Gain at VDS = 3 V, IDS = 10 mA
f = 4 GHz
f = 12 GHz
dB
dB
Saturated Drain Current at VDS = 3 V, VGS = 0 V
MIN
TYP
0.8
1.8
12.0
MAX
1.2
13.0
7.5
mA
15
30
50
VP
Pinch-off Voltage at VDS = 3 V, IDS = 0.1 mA
V
-3.0
-0.8
-0.5
gm
Transconductance at VDS = 3 V, IDS = 10 mA
mS
30
40
70
Gate to Source Leakage Current at VGS = -3 V
µA
IGSO
10
Note:
1. Typical values of noise figures are those obtained when 50% of the devices from a large number of lots were individually measured in a circuit
with the input individually tuned to obtain the minimum value. Maximum values are criteria established on the production line as a "go-no-go"
screening test with the fixture tuned for the "generic" type but not for each specimen.
California Eastern Laboratories
NE76038
ABSOLUTE MAXIMUM RATINGS1 (TA = 25°C)
SYMBOLS
PARAMETERS
UNITS
RATINGS
TYPICAL NOISE PARAMETERS (TA = 25°C)
VDS = 3 V, IDS = 10 mA
ΓOPT
ANG1
VDS
Drain to Source Voltage
V
5
FREQ.
(GHz)
NFOPT
(dB)
GA
(dB)
MAG
VGD
Gate to Drain Voltage
V
-5
0.5
0.40
21.67
0.84
5
0.79
1.0
0.45
20.01
0.82
10
0.75
2.0
0.60
18.88
0.76
28
0.70
4.0
0.80
15.53
0.66
58
0.61
6.0
1.10
13.24
0.55
101
0.50
8.0
1.35
11.32
0.50
152
0.40
Rn/50
VGS
Gate to Source Voltage
V
-3
IDS
Drain Current
mA
IDSS
PIN
RF Input (CW)
dBm
+15
TCH
Channel Temperature
°C
150
TSTG
Storage Temperature
°C
-65 to +150
10.0
1.60
9.49
0.48
-166
0.31
Total Power Dissipation
mW
240
12.0
1.80
8.15
0.54
-130
0.25
Thermal Resistance
°C/W
1250
14.0
2.10
7.11
0.63
-105
0.20
16.0
2.30
6.54
0.70
-87
0.15
18.0
2.55
5.68
0.77
-75
0.12
PT
RTH2, 3
Notes:
1. Operation in excess of any one of these parameters may result in
permanent damage.
2. RTH for plastic package mounted on glass epoxy substrate is
965°C/W.
3. RTH for chip mounted on copper heat sink is 190°C/W.
Note:
1. ΓOPT is referenced to the bend of the lead, as shown on back page.
TYPICAL PERFORMANCE CURVES (TA = 25°C)
DRAIN CURRENT vs.
GATE TO SOURCE VOLTAGE
VDS = 3 V
300
35
250
30
Drain Current, IDS (mA)
Total Power Dissipation, PT (mW)
TOTAL POWER DISSIPATION vs.
AMBIENT TEMPERATURE
Infinite
Heat Sink
200
150
Free Air
100
50
20
15
10
5
0
0
0
25
50
75
100
125
150
175
200
DRAIN CURRENT vs.
DRAIN TO SOURCE VOLTAGE
50
40
VGS = 0 V
30
-0.2 V
20
-0.4 V
10
-0.6 V
0
0
1
2
3
4
Drain to Source Voltage, VDS (V)
-3
-2.5
-2
-1.5
-1
-0.5
0
Gate to Source Voltage, VGS (V)
Ambient Temperature, TA (°C)
Drain Current, IDS (mA)
25
5
0.5
NE76038
TYPICAL SCATTERING PARAMETERS1 (TA = 25°C)
VDS = 3 V, lDs = 10 mA
FREQUENCY
(GHz)
S11
MAG
0.1
0.5
1.0
1.5
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
S21
ANG
0.99
0.99
0.99
0.97
0.95
0.90
0.84
0.77
0.70
0.64
0.61
0.58
0.57
0.58
0.60
0.64
0.67
0.71
0.74
0.77
0.78
S12
S22
MAG
K
ANG
MAG2
MAG
ANG
MAG
ANG
(dB)
-2
-9
-17
-25
-34
-51
-68
-86
-106
-126
-145
-165
175
156
139
125
114
104
95
86
80
3.29
3.29
3.25
3.25
3.22
3.15
3.07
2.97
2.83
2.66
2.51
2.37
2.21
2.05
1.87
1.72
1.57
1.45
1.32
1.19
1.09
178
171
163
155
147
131
115
99
84
69
55
42
27
15
2
-10
-20
-32
-41
-52
-61
0.006
0.013
0.02
0.03
0.04
0.06
0.08
0.09
0.10
0.11
0.11
0.11
0.11
0.12
0.12
0.12
0.12
0.13
0.13
0.13
0.14
101
82
78
71
66
57
47
37
28
21
16
10
7
3
-0
-1
-2
-4
-8
-12
-17
0.63
0.63
0.62
0.61
0.60
0.58
0.54
0.50
0.45
0.41
0.37
0.33
0.30
0.27
0.27
0.27
0.30
0.34
0.39
0.44
0.46
-2
-6
-12
-18
-24
-35
-46
-58
-70
-81
-92
-104
-118
-136
-157
-178
164
150
135
122
111
0.174
0.183
0.127
0.249
0.297
0.392
0.500
0.638
0.763
0.866
0.981
1.116
1.228
1.217
1.282
1.301
1.325
1.175
1.158
1.127
1.094
27.390
24.033
22.109
20.348
19.058
17.202
15.840
15.185
14.518
13.835
13.583
11.264
10.152
9.514
8.737
8.274
7.756
7.941
7.653
7.453
7.043
-2
-10
-19
-28
-37
-56
-74
-93
-114
-134
-154
-173
167
149
133
120
110
101
92
84
78
4.36
4.36
4.30
4.27
4.19
4.02
3.83
3.62
3.37
3.13
2.91
2.71
2.51
2.31
2.11
1.94
1.77
1.65
1.50
1.35
1.23
178
171
161
153
144
127
111
95
80
66
52
39
26
14
1
-9
-20
-31
-41
-51
-59
0.004
0.011
0.02
0.03
0.04
0.05
0.07
0.08
0.08
0.09
0.09
0.10
0.10
0.11
0.11
0.12
0.13
0.14
0.14
0.15
0.15
94
82
78
72
67
58
49
41
35
29
26
22
20
16
13
10
8
3
-2
-7
-12
0.57
0.57
0.57
0.56
0.55
0.52
0.48
0.44
0.39
0.35
0.32
0.29
0.26
0.23
0.23
0.24
0.27
0.31
0.36
0.41
0.45
-2
-6
-12
-18
-24
-35
-45
-56
-67
-78
-88
-100
-114
-132
-155
-178
163
149
134
121
110
0.335
0.174
0.198
0.265
0.347
0.526
0.614
0.754
0.954
1.052
1.191
1.213
1.324
1.304
1.362
1.259
1.206
1.083
1.078
1.007
1.006
30.374
25.981
23.324
21.533
20.202
19.053
17.381
16.556
16.245
14.015
12.451
11.546
10.587
9.918
9.237
9.023
8.599
8.955
8.600
9.034
8.680
VDS = 3 V, IDS = 30 mA
0.1
0.5
1.0
1.5
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
0.99
0.99
0.98
0.96
0.93
0.86
0.79
0.71
0.64
0.58
0.55
0.53
0.53
0.55
0.58
0.63
0.66
0.70
0.73
0.76
0.78
Note:
1. S-Parameters are de-embedded to the bend of the lead as shown on back page.
2. Gain calculations:
MAG =
|S21|
|S12|
(K ±
K 2- 1
). When K ≤ 1, MAG is undefined and MSG values are used. MSG =
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
2
2
2
|S21|
, K = 1 + | ∆ | - |S11| - |S22| , ∆ = S11 S22 - S21 S12
|S12|
2 |S12 S21|
NE76038
NE76038 NONLINEAR MODEL
FET NONLINEAR MODEL PARAMETERS (1)
UNITS
Parameters
Q1
Parameters
Q1
Parameter
VTO
-0.73
RG
0
capacitance
picofarads
VTOSC
0
RD
0
inductance
nanohenries
ALPHA
4
RS
0
resistance
ohms
BETA
0.063
RGMET
0
GAMMA
0
KF
0
GAMMADC(2)
0.06
AF
1
Q
2.2
TNOM
27
DELTA
0.7
XTI
3
VBI
0.626
EG
1.43
IS
1.98e-11
VTOTC
0
N
1.4
BETATCE
0
RIS
0
FFE
1
RID
0
TAU
3.2e-12
CDS
0.11e-12
RDB
Infinity
CBS
0
(3)
CGSO
0.4e-12
CGDO(4)
0.04e-12
DELTA1
0.3
DELTA2
0.2
FC
0.5
VBR
Infinity
(1) Series IV Libra TOM Model
The parameter in Libra corresponds to the parameter in PSpice:
(2) GAMMADC
GAMMA
(3) CGSO
CGS
(4) CGDO
CGD
Units
MODEL RANGE
Frequency: 0.1 to 18 GHz
Bias:
VDS = 3 V, ID = 10 mA to 30 mA
Date:
8/30/96
NE76038
NE76038 NONLINEAR MODEL
SCHEMATIC
CGD_PKG
0.01
RD
LD
LD_PKG
2
0.06
0.53
RD_PKG
DRAIN
RG_PKG
GATE
1.3
LG_PKG
0.64
76000
LG
0.14
0.38
RG
R_COMP
365
1.5
CRF_X
500
RS
4.6
CCD_PKG
0.06
CCG_PKG
0.06
CSG_PKG
LS_PKG
0.18
RS_PKG
0.1
CSD_PKG
0.003
0.02
SOURCE
UNITS
Parameter
Units
capacitance
picofarads
inductance
nanohenries
resistance
ohms
MODEL RANGE
Frequency: 0.1 to 18 GHz
Bias:
VDS = 3 V, ID = 10 mA to 30 mA
Date:
8/30/96
NE76038
OUTLINE DIMENSIONS (Units in mm)
PACKAGE OUTLINE 38
1.8 ± 0.2
S
1.8 ± 0.2
GATE LEAD MARK
D
G
1.8 ± 0.2
S
0.5 ± 0.1
4˚
ALL LEADS
0.55 ± 0.1
0.12 ± 0.05
1.1 ± 0.1
3˚
8˚
0.5 MIN
4.0 ± 0.2
+0.2
0.1 -0.1
ORDERING INFORMATION
PART
NUMBER
AVAILABILITY
NE76038
Bulk up to 1 K
38
1K/Reel
38
NE76038-T1
PACKAGE
OUTLINE
EXCLUSIVE NORTH AMERICAN AGENT FOR
RF, MICROWAVE & OPTOELECTRONIC SEMICONDUCTORS
CALIFORNIA EASTERN LABORATORIES • Headquarters • 4590 Patrick Henry Drive • Santa Clara, CA 95054-1817 • (408) 988-3500 • Telex 34-6393 • FAX (408) 988-0279
24-Hour Fax-On-Demand: 800-390-3232 (U.S. and Canada only) • Internet: http://WWW.CEL.COM
PRINTED IN USA ON RECYCLED PAPER -8/98
DATA SUBJECT TO CHANGE WITHOUT NOTICE