NE685 NEC, NE685 Datasheet - Page 6
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NE685
Manufacturer Part Number
NE685
Description
SURFACE MOUNT NPN SILICON HIGH FREQUENCY TRANSISTOR
Manufacturer
NEC
Datasheet
1.NE685.pdf
(17 pages)
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NE685 SERIES
NE68519
V
V
TYPICAL SCATTERING PARAMETERS
V
V
See note on previous page.
FREQUENCY
CE
CE
CE
CE
= 0.5 V, I
= 1.0 V, I
= 2.5 V, I
GHz
= 3.0 V, I
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0
-.2
.2
C
C
C
C
-.4
= 0.5 mA
.4
= 1.0 mA
= 1.0 mA
= 10 mA
0.905
0.757
0.974
0.687
0.536
0.417
0.322
0.254
0.280
.2
0.983
0.913
0.784
0.714
0.566
0.448
0.346
0.272
0.242
0.768
0.234
0.183
MAG
0.438
0.983
0.944
0.838
0.779
0.646
0.531
0.371
0.433
0.103
0.056
0.011
0.022
0.129
0.249
-.6
.6
.4
.6
S
-.8
.8
4 GHz
-104.500
-127.700
11
-123.400
-149.700
-155.300
-119.900
-142.800
-169.700
-107.300
-121.300
-130.100
-162.800
S
172.200
104.200
.8
178.600
121.300
-31.700
-71.400
4 GHz
-59.400
-98.900
-35.600
-65.100
-77.600
-31.900
-98.400
-59.700
-71.600
-97.300
22
-24.000
-70.300
49.800
S
82.000
68.400
-7.900
-7.500
-9.100
11
-1
ANG
1
1
1.5
-1.5
1.5
2
3
0.1 GHz
0.1 GHz
-2
2
4
S
S
11
5
22.184
22
12.973
3.439
2.742
1.790
1.711
1.539
1.444
1.254
1.125
1.041
0.972
3.225
2.500
2.026
1.711
1.511
1.367
1.171
6.039
4.147
2.234
2.102
7.396
3.169
2.593
1.809
1.548
10
MAG
3.424
3.197
2.774
2.548
1.783
1.564
1.425
1.229
-3
3
20
-4
4
-5
5
10
-10
20
-20
S
21
169.200
146.200
116.800
104.200
169.200
144.300
115.500
103.600
147.200
169.500
119.400
107.600
155.700
112.600
77.100
54.600
33.900
16.200
78.200
57.400
38.400
21.800
27.300
-29.200
82.700
62.000
43.800
-9.300
-3.600
87.200
78.700
61.400
46.700
33.400
20.700
ANG
-4.400
(V
Coordinates in Ohms
(T
CE
Frequency in GHz
A
= 2.5 V, I
= 25°C)
0.034
0.290
0.024
0.087
0.150
0.167
0.198
0.216
0.228
0.252
0.283
0.117
0.194
0.221
0.264
0.289
0.293
0.020
0.078
0.127
0.144
0.173
0.190
0.201
0.217
0.258
MAG
0.126
0.020
0.048
0.076
0.089
0.161
0.198
0.234
0.306
0.375
C
= 1 mA)
S
12
-11.200
-16.600
63.200
22.500
-14.000
85.200
44.600
35.800
81.200
46.000
36.900
13.000
83.400
66.600
17.600
66.500
48.500
39.600
25.900
17.100
10.000
47.300
24.600
-0.500
73.100
61.600
55.200
53.500
40.900
33.300
-6.300
-5.400
5.000
ANG
4.500
3.700
6.100
180˚
225˚
4 GHz
135˚
0.387
0.998
0.943
0.829
0.775
0.674
0.607
0.546
0.496
S
0.844
0.686
0.568
MAG
0.999
0.967
0.884
0.757
0.622
0.996
0.961
0.864
0.818
0.727
0.659
0.609
0.564
0.465
21
0.903
0.612
0.451
0.424
0.399
0.388
0.382
0.357
0.260
0.164 -146.600
0.1 GHz
S
-110.900
-120.900
22
S
-102.000
-77.700
-76.000
-21.800
-39.700
-46.700
-59.900
-69.500
-86.900
-41.400
-64.300
-77.100
-24.600
-44.700
-52.100
-65.600
-84.000
-94.000
-22.300
-49.300
-87.200
-98.700
12
-17.800
-41.800
-56.300
-76.700
-49.200
-51.300
-62.200
-68.200
-6.000
-5.000
-6.200
ANG
270˚
90˚
1
2
3
.05
0.1 GHz
.010
S
21
.015
.020
4 GHz
0.354
1.240
0.443
0.816
0.156
0.210
0.459
0.680
0.873
1.047
1.127
0.064
0.169
0.359
0.644
1.000
1.132
S
0.070
0.190
0.347
0.450
0.653
0.844
1.022
1.127
1.216
0.915
0.979
1.081
0.300
0.645
1.046
1.086
1.090
1.078
1.052
45˚
315˚
12
.025
K
0˚
21.562
15.690
12.620
11.752
10.100
17.214
11.651
22.335
13.393
12.478
10.846
MAG
16.126
30.450
24.318
19.882
18.316
13.865
11.202
8.152
6.767
6.892
5.176
8.994
5.888
5.533
2.997
8.988
3.217
(dB)
9.724
7.997
6.005
3.974
4.760
9.379
7.974
6.017
1