NE681 SERIES
NE68133
NE68139
TYPICAL NOISE PARAMETERS (TA = 25°C)
TYPICAL NOISE PARAMETERS (TA = 25°C)
FREQ.
(MHz)
NFOPT
(dB)
GA
ΓOPT
FREQ.
(MHz)
NFOPT
(dB)
GA
ΓOPT
(dB)
MAG
ANG
Rn/50
(dB)
MAG
ANG
Rn/50
VCE = 2.5 V, IC = 0.3 mA
VCE = 2.5 V, IC = 0.3 mA
500
1.21
12.45
0.75
47
1.15
500
800
1.20
1.45
1.67
14.10
8.42
8.37
0.78
0.75
0.68
47
72
95
1.28
0.84
0.56
800
1000
1500
1.69
1.95
2.52
7.72
5.96
3.12
0.74
0.68
0.63
72
88
0.97
0.71
0.34
1000
122
VCE = 2.5 V, IC = 1 mA
VCE = 2.5 V, IC = 1.0 mA
500
800
0.90
1.10
1.26
1.70
2.20
15.71
12.30
11.66
8.85
0.63
0.56
0.53
0.49
0.57
44
72
0.43
0.26
0.20
0.12
0.07
500
800
.92
14.52
10.57
9.29
0.68
0.63
0.57
0.50
0.44
47
70
0.42
0.34
0.30
0.17
0.11
1.20
1.35
1.71
2.00
1000
1500
2000
98
1000
1500
2000
87
145
178
6.53
120
168
7.12
5.53
VCE = 2.5 V, IC = 3 mA
VCE = 2.5 V, IC = 3 mA
500
800
0.88
1.00
1.08
1.30
1.80
18.20
14.62
13.29
10.54
8.60
0.45
0.39
0.37
0.35
0.43
44
73
0.25
0.19
0.16
0.09
0.07
500
800
0.86
1.00
1.08
1.25
1.40
16.37
12.41
11.07
8.61
0.54
0.51
0.46
0.36
0.35
47
67
0.24
0.20
0.18
0.12
0.10
1000
1500
2000
99
151
-177
1000
1500
2000
86
128
172
VCE = 8 V, IC = 7 mA
6.99
500
1.15
1.25
1.4
20.50
15.62
12.49
10.48
8.00
0.26
0.16
0.20
0.31
0.53
0.71
42
0.17
0.14
0.09
0.14
0.48
0.90
1000
1500
2000
3000
4000
133
176
-165
-123
-101
1.6
2.15
3.0
6.81
TYPICAL PERFORMANCE CURVES (TA = 25°C)
NE68100 & NE68135
INSERTION GAIN vs.
COLLECTOR CURRENT
FORWARD INSERTION GAIN
AND MAXIMUM AVAILABLE GAIN
vs. FREQUENCY
30
12
10
V
CE = 8 V
f = 2 GHz
V
CE = 8 V
I
C = 20 mA
25
2
f = 3 GHz
f = 4 GHz
|S21E
|
NE68100
NE68135
MAG
8
6
4
20
15
10
2
|S21E
|
NE68133
MAG
5
0
2
0
0.1
0.2 0.3 0.5 0.7
1
2
3
5
7
10
1
2
3
5
7
10
20 30
50
Frequency, f (GHz)
Collector Current, IC (mA)
CEL [ CALIFORNIA EASTERN LABS ]
