NE688 Datasheet, PDF (10/20 Pages) NEC – SURFACE MOUNT NPN SILICON HIGH FREQUENCY TRANSISTOR

NE688 SERIES
TYPICAL SCATTERING PARAMETERS (TA = 25°C)
.4
.2
.6
.8
1
S22
1.5
2
5 GHz
3
4
5
135˚
S11
5 GHz
0
.2
.4 .6 .8 1
-.2
-.4
-.6
-.8 _-1
NE68839
VCE = 0.5 V, IC = 0.5 mA
1.5 2
10
20
3 4 5 10 20
S22
-20
0.1 GHz
-10
S11
-5 _{0.1 GHz}
-4
-3
Coordinates in Ohms
-2
-1.5
Frequency in GHz
(VCE = 0.5 V, IC = 0.5 mA)
180˚
S21
5 GHz
225˚
FREQUENCY
S11
S21
S12
90˚
S12 ^45˚
5 GHz
S12
0.1 GHz
S21
.25
0˚
0.1 GHz
1
270˚
315˚
S22
K
MAG¹
GHz
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
MAG
0.989
0.899
0.768
0.727
0.694
0.716
0.755
0.788
ANG
-15.100
-58.000
-105.900
-125.800
-164.800
167.500
147.100
131.400
MAG
1.756
1.616
1.310
1.169
0.921
0.735
0.601
0.490
ANG
167.700
131.900
95.000
80.700
52.700
32.300
18.900
11.300
MAG
0.057
0.205
0.303
0.319
0.300
0.239
0.168
0.136
ANG
80.500
53.400
26.900
16.700
-2.200
-13.100
-10.700
13.200
MAG
0.990
0.898
0.746
0.690
0.595
0.569
0.570
0.593
ANG
-7.000
-26.300
-43.100
-49.600
-65.200
-82.500
-102.800
-123.900
0.047
0.227
0.419
0.493
0.669
0.859
1.140
1.430
(dB)
14.886
8.967
6.358
5.640
4.871
4.879
3.262
1.669
VCE = 1.0 V, IC = 1.0 mA
0.1
0.968
-17.300
0.4
0.847
-65.200
0.8
0.697 -115.200
1.0
0.660 -134.900
1.5
0.631 -173.000
2.0
0.655 160.900
2.5
0.692 142.400
3.0
0.728 127.900
4.0
0.790 106.200
5.0
0.828
90.000
3.482
3.022
2.251
1.936
1.448
1.129
0.933
0.770
0.588
0.502
166.900
132.100
98.700
86.400
62.300
43.900
30.100
19.800
8.600
3.700
0.047
0.159
0.220
0.229
0.213
0.184
0.166
0.179
0.271
0.360
79.200
52.200
28.700
20.900
9.900
8.800
18.400
31.500
39.000
30.600
0.986
0.850
0.656
0.587
0.477
0.438
0.433
0.451
0.534
0.624
-8.600
-30.300
-47.500
-53.700
-67.500
-83.000
-101.400
-121.300
-157.100
175.200
0.054
0.199
0.386
0.470
0.704
0.955
1.147
1.194
0.985
0.947
18.697
12.789
10.100
9.271
8.324
7.879
5.168
3.675
3.364
1.444
VCE = 3.0 V, IC = 3.0 mA
0.1
0.894
-24.500
0.4
0.682
-84.100
0.8
0.524 -135.700
1.0
0.501 -154.100
1.5
0.503 172.800
2.0
0.542 151.200
2.5
0.586 135.700
3.0
0.626 123.800
4.0
0.704 105.600
5.0
0.766
90.900
9.342
6.782
4.250
3.523
2.472
1.886
1.542
1.297
0.988
0.799
161.900
122.300
93.900
84.500
66.200
51.600
39.500
29.300
13.200
0.700
0.035
0.100
0.129
0.136
0.154
0.174
0.201
0.233
0.303
0.366
76.700
50.000
38.200
36.700
37.500
39.900
41.700
42.000
38.000
30.000
0.961
0.693
0.455
0.390
0.295
0.251
0.239
0.254
0.335
0.442
-13.600
-41.400
-56.300
-60.700
-71.900
-87.400
-106.600
-126.500
-159.600
176.400
0.087
0.324
0.606
0.724
0.938
1.052
1.068
1.049
0.959
0.901
24.264
18.314
15.178
14.134
12.055
8.957
7.260
6.108
5.133
3.391
VCE = 3.0 V, IC = 7.0 mA
0.1
0.763
-36.500
0.4
0.501 -110.300
0.8
0.421 -157.600
1.0
0.418 -172.900
1.5
0.449 161.400
2.0
0.494 144.100
2.5
0.539 131.600
3.0
0.583 121.700
4.0
0.662 105.800
5.0
0.732
92.400
18.110
9.906
5.514
4.478
3.060
2.319
1.887
1.583
1.216
0.988
153.100
110.000
87.400
80.100
65.400
53.100
42.300
33.100
17.100
3.800
0.029
0.072
0.101
0.115
0.151
0.188
0.224
0.258
0.319
0.367
72.400
51.400
50.300
51.100
51.200
49.600
46.700
43.300
35.300
26.600
0.901
0.496
0.288
0.239
0.171
0.148
0.159
0.193
0.284
0.384
-22.600
-55.500
-68.500
-73.600
-90.700
-116.000
-141.800
-161.300
174.500
158.700
0.164
0.544
0.835
0.918
1.016
1.047
1.043
1.032
0.986
0.940
27.955
21.386
17.371
15.904
12.285
9.591
7.985
6.790
5.811
4.301
See notes on previous page.