NE687 查看數據表（PDF） - California Eastern Laboratories.
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NE687 Datasheet PDF : 21 Pages
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NE687 SERIES
ABSOLUTE MAXIMUM RATINGS1 (TA = 25°C)
SYMBOLS
PARAMETERS
UNITS RATINGS
VCBO
Collector to Base Voltage
V
5
VCEO
Collector to Emitter Voltage V
3
VEBO
Emitter to Base Voltage
V
2
IC
Collector Current
mA
30
TJ
Operating Junction
Temperature
°C
150
TSTG
Storage Temperature
°C
-65 to +150
Note:
1. Operation in excess of any one of these parameters may result
in permanent damage.
NE68718
TYPICAL NOISE PARAMETERS (TA = 25˚C)
FREQ.
(MHz)
NFOPT
(dB)
GA
(dB)
ΓOPT
MAG
ANG
Rn/50
VCE = 0.5 V, IC = 0.5 mA
500
1.10
800
1.31
1000
1.41
13.07
11.23
9.36
VCE = 1.0 V, IC = 1.0 mA
500
0.93
800
1.08
1000
1.20
1500
1.48
2000
1.72
16.53
13.44
12.21
8.53
6.50
VCE = 1.0 V, IC = 3 mA
500
1.10
800
1.15
1000
1.20
1500
1.38
2000
1.60
2500
1.82
3000
2.00
18.68
15.74
13.90
10.63
8.43
7.04
5.84
VCE = 2 V, IC = 3 mA
500
1.10
800
1.15
1000
1.20
1500
1.38
2000
1.60
2500
1.82
3000
2.00
19.83
16.61
14.85
11.83
9.49
8.16
6.93
VCE = 2 V, IC = 10 mA
500
1.60
800
1.62
1000
1.65
1500
1.73
2000
1.80
2500
2.00
3000
2.19
22.57
18.75
16.91
13.52
11.17
9.48
8.18
0.72
0.67
0.65
0.63
0.59
0.55
0.46
0.37
0.48
0.40
0.36
0.28
0.21
0.14
0.16
0.50
0.42
0.38
0.29
0.23
0.14
0.13
0.13
0.11
0.09
0.07
0.06
0.08
0.13
30
54
67
27
47
62
83
107
23
48
58
81
104
151
-167
21
39
48
74
91
135
177
19
48
67
100
143
-161
-133
1.00
0.65
0.55
0.56
0.39
0.36
0.34
0.28
0.28
0.25
0.24
0.21
0.20
0.18
0.13
0.26
0.26
0.25
0.24
0.22
0.20
0.12
0.27
0.26
0.25
0.24
0.22
0.20
0.16
NE68730
TYPICAL NOISE PARAMETERS (TA = 25˚C)
FREQ.
(MHz)
NFOPT
(dB)
GA
(dB)
ΓOPT
MAG
ANG
Rn/50
VCE = 1.0 V, IC = 3.0 mA
500
1.10
17.66 0.47
15
0.28
800
1.19
14.48 0.39
33
1.20
1000
1.25
12.93 0.34
45
0.28
1500
1.36
9.61 0.29
57
0.27
2000
1.50
7.52 0.24
73
0.27
VCE = 2.0 V, IC = 3.0 mA
500
1.10
18.60 0.40
12
0.30
800
1.19
15.10 0.35
24
0.22
1000
1.25
13.40 0.31
33
0.26
1500
1.36
10.30 0.26
44
0.28
2000
1.50
8.10 0.23
58
0.28
VCE = 2.0 V, IC = 20.0 mA
500
2.00
20.30 0.02
-170
0.23
800
2.06
16.70 0.06
171
0.15
1000
2.10
15.00 0.08
172
0.28
1500
2.20
11.90 0.12
178
0.24
2000
2.34
9.80 0.14
-175
0.24
2500
2.46
6.70 0.18
-160
0.23
NE68739
TYPICAL NOISE PARAMETERS (TA = 25˚C)
FREQ.
(MHz)
NFOPT
(dB)
GA
(dB)
ΓOPT
MAG
ANG
Rn/50
VCE = 0.5 V, IC = 0.5 mA
500
1.23
15.7 0.77
36
0.61
800
1.37
10.9 0.71
46
0.61
1000
1.45
8.7 0.60
64
0.50
VCE = 1.0 V, IC = 3.0 mA
500
1.07
18.0 0.48
30
0.31
800
1.13
14.8 0.39
49
0.28
1000
1.18
13.2 0.32
60
0.26
1500
1.30
10.5 0.23
76
0.24
2000
1.50
8.0 0.12
120
0.20
2500
1.66
7.0 0.16
-172
0.15
VCE = 2.0 V, IC = 3.0 mA
500
1.07
18.6 0.46
26
0.28
800
1.13
15.5 0.37
38
0.28
1000
1.18
14.0 0.32
46
0.26
1500
1.30
11.2 0.20
66
0.25
2000
1.50
9.3 0.12
113
0.19
2500
1.66
7.8 0.14
177
0.17
3000
1.86
6.6 0.23
-157
0.10
VCE = 2.0 V, IC = 20.0 mA
500
1.93
21.2 0.08
-150
0.22
800
1.95
17.6 0.14
-138
0.17
1000
2.00
16.0 0.16
-134
0.17
1500
2.15
12.9 0.21
-127
0.24
2000
2.30
10.6 0.26
-123
0.25
2500
2.40
9.0 0.31
-121
0.25
3000
2.52
7.7 0.46
-114
0.24
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