GENERAL PURPOSE
GaAs MESFET
FEATURES
Optimum Noise Figure, NF
OPT
(dB)
NE76100
• LOW NOISE FIGURE:
NF = 0.8 dB typical at f = 4 GHz
• HIGH ASSOCIATED GAIN:
G
A
= 12.0 dB typical at f = 4 GHz
• L
G
= 1.0
µm,
W
G
= 400
µm
NOISE FIGURE & ASSOCIATED
GAIN vs. FREQUENCY
V
DS
= 3 V, I
DS
= 10 mA
4
3.5
3
2.5
2
1.5
1
NF
0.5
0
1
10
20
3
0
24
21
18
15
12
9
6
Ga
DESCRIPTION
NE76100 is a high performance gallium arsenide metal semi-
conductor field effect transistor chip. Its low noise figure makes
this device appropriate for use in the second or third stages of
low noise amplifiers operating in the 1-12 GHz frequency
range. The device is fabricated using ion implantation for
improved RF and DC performance, reliability, and uniformity.
The NE76100 is suitable for a wide variety of commercial and
industrial applications.
NEC's stringent quality assurance and test procedures assure
the highest reliability and performance.
Frequency, f (GHz)
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C)
PART NUMBER
PACKAGE OUTLINE
SYMBOLS
NF
OPT
1
G
A
1
P
1dB
PARAMETERS AND CONDITIONS
Noise Figure at V
DS
= 3 V, I
D
= 10 mA, f = 4 GHz
Associated Gain at V
DS
= 3 V, I
D
= 10 mA, f = 4 GHz
Output Power at 1 dB Gain Compression Point, f = 4 GHz
V
DS
= 3 V, I
DS
= 10 mA
V
DS
= 3 V, I
DS
= 30 mA
Gain at P
1dB
, f = 4 GHz
V
DS
= 3 V, I
DS
= 10 mA
V
DS
= 3 V, I
DS
= 30 mA
Saturated Drain Current at V
DS
= 3 V, V
GS
= 0
Pinch Off Voltage at V
DS
= 3 V, I
D
= 100
mA
Transconductance at V
DS
= 3 V, I
D
= 10 mA
Gate to Source Leak Current at V
GS
= -5 V
Thermal Resistance
UNITS
dB
dB
dBm
dBm
dB
dB
mA
V
mS
µA
°C/W
30
-3.0
20
MIN
NE76100
00 (CHIP)
TYP
0.8
12.0
12.5
15.0
11.5
13.5
60
-1.1
45
1.0
10
190
100
-0.5
MAX
1.4
G
1dB
I
DSS
V
P
g
m
I
GSO
R
TH2
Notes:
1. RF performance is determined by packaging and testing 10 samples per wafer. Wafer rejection criteria for standard devices is 2 rejects
for 10 samples.
2. Chip mounted on an infinite heat sink.
California Eastern Laboratories
Associated Gain, G
A
(dB)
NE76100
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25°C)
SYMBOLS
V
DS
V
GD
V
GS
I
DS
T
CH
T
STG
P
T2
PARAMETERS
Drain to Source Voltage
Gate to Drain Voltage
Gate to Source Voltage
Drain Current
Channel Temperature
Storage Temperature
Total Power Dissipation
UNITS
V
V
V
mA
°C
°C
mW
RATINGS
5
-6
-5
I
DSS
175
-65 to +175
350
TYPICAL NOISE PARAMETERS
(T
A
= 25°C)
V
DS
= 3 V, I
DS
= 10 mA
FREQ.
(GHz)
1.0
2.0
4.0
6.0
8.0
10.0
12.0
NF
OPT
(dB)
0.55
0.60
0.80
1.15
1.60
2.10
2.60
G
A
(dB)
18.0
15.0
12.0
10.0
8.5
7.5
7.0
MAG
0.90
0.82
0.70
0.60
0.52
0.50
0.50
Γ
OPT
ANG
16
34
65
95
122
150
171
Rn/50
0.50
0.48
0.45
0.39
0.38
0.32
0.27
Notes:
1. Operation in excess of anyone of these parameters may result in
permanent damage.
2. Mounted on an infinite heat sink.
Includes effects from wirebonds. See S-Parameter data for details.
TYPICAL PERFORMANCE CURVES
(T
A
= 25°C)
TOTAL POWER DISSIPATION vs.
AMBIENT TEMPERATURE
400
NOISE FIGURE AND ASSOCIATED
GAIN vs. DRAIN CURRENT
V
DS
= 3 V, f = 4 GHz
2.5
G
A
15
14
13
12
1.5
NF
10
1
9
8
0.5
7
0
10
20
30
40
50
60
11
Total Power Dissipation, P
T
(mW)
350
250
200
150
100
50
0
0
25
50
75
100
125
Infinite
Heat sink
150
175
200
Noise Figure, NF (dB)
300
2
Ambient Temperature, T
A
(°C)
Drain Current, I
DS
(mA)
DRAIN CURRENT vs.
DRAIN TO SOURCE VOLTAGE
100
75
TRANSCONDUCTANCE vs.
DRAIN CURRENT V
DS
= 3 V
80
V
GS
0
60
-0.2
40
-0.4
Transconductance, g
m
(mS)
Drain Current, I
DS
(mA)
60
45
30
20
-0.6
-0.8
-1.0
0
1
2
3
4
5
15
0
0
0
20
40
60
80
100
Drain to Source Voltage, V
DS
(V)
Drain Current, I
DS
(mA)
Associated Gain, G
A
(dB)
NE76100
TYPICAL SCATTERING PARAMETERS
2
(T
A
= 25°C)
j50
j25
S11
20 GHz
j10
S11
.1 GHz
S12
.1 GHz
S21
.1 GHz
1
S21
20 GHz
+90
˚
j100
+120
˚
+60
˚
+150
˚
+30
˚
0
10
25
50
100
S22
.1 GHz
+180
˚
–
S12
20 GHz
0
˚
-j10
S22
20 GHz
-150
˚
2
3
4
-30
˚
-j25
-j50
-j100
-120
˚
5
-90
˚
-60
˚
V
DS
= 3 V, l
DS
= 10 mA
FREQUENCY
(GHz)
0.1
0.2
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
19.0
20.0
MAG
0.99
0.999
0.996
0.986
0.971
0.951
0.905
0.859
0.818
0.784
0.759
0.739
0.726
0.718
0.713
0.711
0.712
0.715
0.719
0.725
0.732
0.739
0.747
0.755
S
11
ANG
-2.3
-4.5
-11.3
-22.5
-33.3
-43.9
-63.6
-81.4
-97.3
-111.4
-124.2
-135.6
-146.0
-155.4
-164.0
-172.0
-179.3
173.9
167.5
161.6
156.1
150.9
146.0
141.4
MAG
3.782
3.779
3.763
3.707
3.619
3.505
3.233
2.941
2.662
2.411
2.190
1.999
1.833
1.688
1.562
1.449
1.349
1.259
1.177
1.102
1.033
0.968
0.908
0.851
S
21
ANG
178.2
176.3
170.9
161.9
153.1
144.7
128.9
114.6
101.9
90.3
79.8
70.1
61.1
52.7
44.7
37.2
29.9
23.0
16.4
10.0
3.8
-2.1
-7.8
-13.4
MAG
0.004
0.007
0.018
0.036
0.053
0.068
0.093
0.112
0.126
0.135
0.141
0.145
0.148
0.149
0.149
0.149
0.148
0.147
0.146
0.144
0.142
0.141
0.139
0.138
S
12
ANG
86.7
86.4
83.1
76.9
70.8
65.0
54.5
45.5
37.9
31.5
26.1
21.6
17.7
14.3
11.4
8.8
6.7
4.8
3.2
1.8
0.7
-0.2
-0.9
-1.5
MAG
0.769
0.769
0.767
0.759
0.747
0.731
0.694
0.657
0.624
0.598
0.577
0.562
0.552
0.547
0.545
0.545
0.548
0.554
0.561
0.569
0.579
0.589
0.601
0.613
S
22
ANG
-1.2
-2.3
-5.7
-11.4
16.8
-22.0
-31.5
-39.7
-46.8
-53.1
-58.9
-64.2
-69.3
-74.2
-79.0
-83.7
-88.3
-92.9
-97.5
-102.1
-106.7
-111.2
-115.7
-120.1
0.052
0.037
0.045
0.076
0.110
0.145
0.214
0.281
0.347
0.410
0.470
0.526
0.578
0.626
0.669
0.708
0.741
0.770
0.793
0.811
0.824
0.831
0.833
0.830
K
S
21
(dB)
11.6
11.5
11.5
11.2
11.4
10.9
10.2
9.4
8.5
7.6
6.8
6.0
5.3
4.5
3.9
3.2
2.6
2.0
1.4
0.8
0.3
-0.3
-0.8
-1.4
MAG
1
(dB)
30.1
27.1
23.1
18.4
20.1
17.1
15.4
14.2
13.3
12.5
11.9
11.4
10.9
10.5
10.2
9.9
9.6
9.3
9.1
8.8
8.6
8.4
8.1
7.9
Note:
1. Gain Calculations:
MAG =
|S
21
|
|S
12
|
(
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
2. S-parameters include bond wires as follows:
GATE:
TOTAL 1 WIRE(S), 1 PER BOND PAD, 0.0134" (340
µm)
LONG.
DRAIN:
TOTAL 2 WIRE(S), 1 PER BOND PAD, 0.0188" (477
µm)
LONG.
SOURCE: TOTAL 4 WIRE(S), 2 PER SIDE, 0.0114" (286
µm)
LONG.
WIRE:
0.0007" (17.8
µm)
DIA. GOLD.
NE76100
TYPICAL SCATTERING PARAMETERS
2
(T
A
= 25°C)
j50
j25
S11
20 GHz
j100
+90
˚
+120
˚
+60
˚
+150
˚
j10
S11
.1 GHz
+30
˚
0
10
25
50
100
S22
.1 GHz
+180
˚
–
S12
.1 GHz
S21
.1 GHz
1
S21
20 GHz
S12
20 GHz
0
˚
-j10
S22
20 GHz
2
-150
˚
3
4
-30
˚
-j25
-j50
-j100
-120
˚
5
-90
˚
-60
˚
V
DS
= 3 V, l
DS
= 20 mA
FREQUENCY
(GHz)
0.1
0.2
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
19.0
20.0
MAG
0.999
0.999
0.995
0.983
0.965
0.943
0.893
0.845
0.805
0.774
0.752
0.736
0.726
0.720
0.717
0.717
0.719
0.722
0.727
0.733
0.739
0.746
0.754
0.761
S
11
ANG
-2.5
-5.1
-12.7
-25.2
-37.3
-48.8
-70.1
-88.8
-105.2
-119.5
-132.1
-143.3
-153.3
-162.3
-170.6
-178.1
174.9
168.5
162.5
156.9
151.6
146.7
142.1
137.7
S
21
MAG
4.692
4.668
4.662
4.572
4.435
4.261
3.860
3.451
3.078
2.754
2.477
2.242
2.042
1.870
1.722
1.592
1.477
1.374
1.282
1.197
1.120
1.049
0.983
0.921
ANG
178.0
176.1
170.3
160.7
151.5
142.6
126.5
112.3
99.7
88.6
78.5
69.2
60.6
52.5
44.9
37.7
30.7
24.1
17.7
11.5
5.6
-0.2
-5.7
-11.1
S
12
MAG
0.003
0.007
0.017
0.033
0.048
0.061
0.083
0.098
0.109
0.117
0.122
0.125
0.127
0.129
0.130
0.131
0.131
0.131
0.131
0.131
0.131
0.131
0.132
0.132
ANG
86.5
86.2
82.7
76.2
69.8
63.8
53.3
44.7
37.8
32.2
27.7
23.9
20.8
18.2
16.1
14.2
12.7
11.4
10.3
9.4
8.6
7.9
7.4
6.9
MAG
0.713
0.712
0.710
0.701
0.686
0.669
0.629
0.592
0.560
0.536
0.519
0.507
0.500
0.497
0.497
0.500
0.505
0.511
0.519
0.529
0.539
0.551
0.563
0.575
S
22
ANG
-1.2
-2.5
-6.2
-12.2
-17.9
-23.3
-33.0
-41.1
-48.0
-54.1
-59.6
-64.8
-69.8
-74.7
-79.4
-84.2
-88.8
-93.5
-98.1
-102.7
-107.2
-111.7
-116.2
-120.6
K
0.053
0.038
0.047
0.081
0.117
0.154
0.227
0.299
0.368
0.434
0.496
0.554
0.606
0.654
0.696
0.732
0.762
0.787
0.805
0.816
0.823
0.823
0.818
0.808
S
21
(dB)
13.4
13.4
13.4
13.2
12.9
12.6
11.7
10.8
9.8
8.8
7.9
7.0
6.2
5.4
4.7
4.0
3.4
2.8
2.2
1.6
1.0
0.4
-0.1
-0.7
MAG
1
(dB)
31.4
28.4
24.4
21.4
19.7
18.4
16.7
15.4
14.5
13.7
13.1
12.5
12.0
11.6
11.2
10.9
10.5
10.2
9.9
9.6
9.3
9.0
8.7
8.4
Note:
1. Gain Calculations:
MAG =
|S
21
|
|S
12
|
(
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
2. S-parameters include bond wires as follows:
GATE:
TOTAL 1 WIRE(S), 1 PER BOND PAD, 0.0134" (340
µm)
LONG.
DRAIN:
TOTAL 2 WIRE(S), 1 PER BOND PAD, 0.0188" (477
µm)
LONG.
SOURCE: TOTAL 4 WIRE(S), 2 PER SIDE, 0.0114" (286
µm)
LONG.
WIRE:
0.0007" (17.8
µm)
DIA. GOLD.
NE76100
TYPICAL SCATTERING PARAMETERS
2
(T
A
= 25°C)
j50
j25
S11
20 GHz
j10
S11
.1 GHz
j100
+90
˚
+120
˚
+60
˚
+150
˚
+30
˚
0
10
25
50
100
S22
.1 GHz
+180
˚
–
S12
.1 GHz
S21
.1 GHz
1
S21
20 GHz
S12
20 GHz
0
˚
-j10
S22
20 GHz
2
-150
˚
3
4
-30
˚
-j25
-j50
-j100
-120
˚
5
-90
˚
-60
˚
V
DS
= 3 V, l
DS
= 30 mA
FREQUENCY
(GHz)
0.1
0.2
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
19.0
20.0
MAG
0.999
0.999
0.995
0.982
0.963
0.939
0.887
0.840
0.802
0.773
0.752
0.738
0.730
0.725
0.723
0.723
0.726
0.730
0.735
0.740
0.747
0.754
0.761
0.768
S
11
ANG
-2.7
-5.4
-13.4
-26.6
-39.3
-51.4
-73.4
-92.5
-109.0
-123.3
-135.8
-146.8
-156.6
-165.5
-173.5
179.1
172.4
166.1
160.3
154.8
149.7
144.9
140.4
136.1
MAG
5.142
5.137
5.104
4.995
4.827
4.619
4.146
3.676
3.256
2.896
2.594
2.340
2.125
1.941
1.783
1.646
1.524
1.417
1.320
1.232
1.151
1.077
1.009
0.945
S
21
ANG
178.0
176.0
169.9
160.1
150.6
141.5
125.2
111.0
98.6
87.6
77.6
68.6
60.1
52.2
44.7
37.6
30.8
24.3
18.0
11.9
6.0
0.4
-5.1
-10.4
MAG
0.003
0.006
0.016
0.031
0.045
0.058
0.078
0.092
0.102
0.108
0.113
0.116
0.118
0.120
0.121
0.122
0.123
0.124
0.124
0.125
0.126
0.127
0.128
0.129
S
12
ANG
86.5
86.1
82.5
75.7
69.2
63.2
52.7
44.4
37.8
32.6
28.5
25.1
22.4
20.2
18.4
16.8
15.6
14.5
13.6
12.9
12.2
11.7
11.2
10.8
MAG
0.694
0.693
0.690
0.680
0.665
0.647
0.606
0.569
0.538
0.516
0.500
0.490
0.485
0.483
0.484
0.487
0.493
0.500
0.508
0.518
0.529
0.541
0.553
0.566
S
22
ANG
-1.3
-2.5
-6.3
-12.5
-18.3
-23.7
-33.3
-41.2
-48.0
-53.9
-59.4
-64.5
-69.5
-74.3
-79.1
-83.8
-88.5
-93.2
-97.8
-102.5
-107.0
-111.6
-116.1
-120.5
0.054
0.039
0.049
0.083
0.120
0.158
0.233
0.307
0.378
0.445
0.508
0.565
0.618
0.664
0.705
0.739
0.766
0.787
0.802
0.810
0.812
0.808
0.800
0.787
K
S
21
(dB)
14.2
14.2
14.2
14.0
13.7
13.3
12.4
11.3
10.3
9.2
8.3
7.4
6.5
5.8
5.0
4.3
3.7
3.0
2.4
1.8
1.2
0.6
0.1
-0.5
MAG
1
(dB)
32.0
29.0
25.0
22.0
20.3
19.0
17.3
16.0
15.1
14.3
13.6
13.1
12.6
12.1
11.7
11.3
10.9
10.6
10.3
9.9
9.6
9.3
9.0
8.7
Note:
1. Gain Calculations:
MAG =
|S
21
|
|S
12
|
(
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
2. S-parameters include bond wires as follows:
GATE:
TOTAL 1 WIRE(S), 1 PER BOND PAD, 0.0134" (340
µm)
LONG.
DRAIN:
TOTAL 2 WIRE(S), 1 PER BOND PAD, 0.0188" (477
µm)
LONG.
SOURCE: TOTAL 4 WIRE(S), 2 PER SIDE, 0.0114" (286
µm)
LONG.
WIRE:
0.0007" (17.8
µm)
DIA. GOLD.
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