NE688 CEL, NE688 Datasheet - Page 4

• Manufacturer Part Number: NE688
• Description: SURFACE MOUNT NPN SILICON HIGH FREQUENCY TRANSISTOR
• Manufacturer: CEL

V
V
V
TYPICAL SCATTERING PARAMETERS
NE68819
V
NE688 SERIES
Note:
1.Gain Calculations:
FREQUENCY
CE
CE
CE
CE
MAG =
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
= 3.0 V, I
= 3.0 V, I
= 1.0 V, I
= 0.5 V, I
GHz
0.4
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0.1
0.8
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
5.0
0.1
0.4
0.8
1.0
1.5
2.0
2.5
3.0
4.0
5.0
0
|S
|S
-.2
.2
21
12
|
|
-.4
.4
.2
(
C
C
K ±
C
C
= 3.0 mA
= 7.0 mA
= 1.0 mA
-.6
= 0.5 mA
.6
0.976
0.890
0.764
0.726
0.691
0.689
0.955
0.705
0.624
0.610
0.612
0.633
0.660
0.685
0.693
0.846
0.666
0.612
0.902
0.706
0.558
0.528
0.496
0.484
0.480
0.485
0.518
0.579
.4
MAG
0.786
0.542
0.450
0.434
0.420
0.411
0.410
0.413
0.460
0.533
K - 1
5 GHz
.6
S
-.8
2
.8
11
.8
S
11
).
-1
1
1
-108.300
-125.500
-159.300
-132.000
-114.900
-165.000
-133.100
-148.700
-177.500
-113.500
-156.200
-169.300
174.200
150.800
129.200
169.600
147.400
127.000
When K ≤ 1, MAG is undefined and MSG values are used. MSG =
161.200
142.700
125.800
-16.300
-62.900
167.100
149.700
134.000
120.000
-18.200
-68.100
-25.000
-86.100
-39.600
ANG
87.700
50.700
91.200
56.600
89.000
54.800
1.5
-1.5
1.5
2
5 GHz
0.1 GHz
S
3
S
22
4
22
-2
2
5
10
-3
3
18.403
MAG
1.892
1.635
1.250
1.098
0.859
0.715
0.618
0.554
20
9.548
6.729
4.185
3.477
2.465
1.924
1.613
1.425
1.187
0.985
3.606
2.975
2.125
1.825
1.363
1.102
0.948
0.850
0.731
0.634
9.834
5.452
4.445
3.072
2.376
1.974
1.726
1.412
1.176
-4
4
5
-5
10
-10
20
-20
0.1 GHz
S
S
11
21
164.000
127.000
164.300
125.300
-22.000
-42.500
160.300
119.100
151.700
106.700
-17.200
-43.600
-14.800
-40.600
92.400
79.400
53.900
17.600
34.300
86.900
72.100
43.500
22.600
89.200
78.800
57.900
40.800
25.100
10.500
82.100
73.700
55.700
40.500
25.900
12.000
-5.300
ANG
3.100
6.500
(V
Coordinates in Ohms
CE
(T
Frequency in GHz
A
= 0.5 V, I
= 25°C)
0.047
0.153
0.205
0.210
0.200
0.181
0.171
0.189
0.312
0.434
0.061
0.203
0.283
0.294
0.276
0.233
0.184
0.159
0.035
0.098
0.123
0.129
0.143
0.162
0.189
0.224
0.313
0.396
0.031
0.073
0.097
0.109
0.143
0.180
0.220
0.262
0.347
0.413
MAG
C
= 0.5 mA)
S
12
-10.800
-21.800
-23.000
-14.500
-14.900
-18.700
77.800
47.200
21.600
13.300
77.700
47.300
18.500
75.900
44.700
29.300
26.300
23.100
22.300
21.100
17.800
72.000
44.700
40.800
40.500
38.100
33.900
27.700
19.900
-3.100
-8.700
0.700
1.400
9.500
7.300
8.100
4.600
1.500
ANG
180˚
|S
|S
21
12
5 GHz
|
|
225˚
135˚
S
, K = 1 + | ∆ | - |S
21
0.990
0.892
0.757
0.716
0.654
0.626
0.607
0.592
0.383
0.295
0.256
0.342
0.506
0.320
0.281
0.203
0.179
0.154
0.985
0.851
0.685
0.636
0.565
0.529
0.503
0.478
0.464
0.542
0.964
0.708
0.500
0.448
0.349
0.324
0.903
0.231
0.137
0.255
MAG
0.1 GHz
S
2 |S
S
-115.400
-136.300
-107.600
-125.400
-175.100
-112.300
-159.100
-119.300
-106.000
22
12
135.800
147.600
177.100
127.900
-34.600
-56.300
-64.300
-81.500
-97.700
-10.600
-37.000
-58.000
-65.100
-79.600
-92.900
-15.500
-47.700
-66.200
-71.400
-80.700
-89.300
-98.900
-25.500
-65.400
-82.200
-86.600
-93.200
-99.000
2
-9.700
0.1 GHz
12
270˚
ANG
90˚
1
S
S
11
21
21
| - |S
2
|
22
.25
|
0.085
0.288
0.552
0.673
0.911
1.068
1.127
1.115
1.030
0.973
0.083
0.197
0.384
0.480
0.727
1.002
1.241
1.295
1.058
1.022
0.096
0.229
0.428
0.518
0.722
0.946
1.257
1.553
0.118
0.487
0.797
0.894
1.016
1.069
1.078
1.067
1.024
0.996
2
,
5 GHz
S
∆ = S
45˚
K
315˚
12
11
0˚
S
22
18.849
12.888
10.156
14.916
24.358
18.367
15.318
14.306
12.365
27.735
21.294
17.498
16.104
12.550
7.576
2.229
0.747
MAG
9.060
6.451
5.723
4.931
4.870
2.208
1.042
9.390
8.335
4.481
3.271
9.158
5.973
4.721
3.957
- S
7.147
9.601
7.824
6.606
5.143
4.545
(dB)
21
S
1
12