NE688 CEL, NE688 Datasheet - Page 5

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

V
TYPICAL SCATTERING PARAMETERS
NE68819
V
Note:
1.Gain Calculations:
FREQUENCY
CE
MAG =
CE
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
= 5.0 V, I
= 3.0 V, I
GHz
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
|S
|S
21
12
|
|
(
K ±
C
C
= 10 mA
= 20 mA
0.717
0.466
0.383
0.349
0.346
0.349
0.485
0.371
0.356
0.403
0.538
0.385
0.358
0.352
0.345
0.335
0.334
0.334
0.396
0.483
MAG
K - 1
2
S
).
11
-119.600
-161.000
-173.600
-146.900
-179.500
163.800
146.600
131.700
118.200
When K ≤ 1, MAG is undefined and MSG values are used. MSG =
170.400
152.000
137.400
124.900
112.100
-44.700
-68.800
53.100
ANG
87.800
83.800
50.200
32.261
11.973
10.924
22.801
MAG
6.233
5.038
3.447
2.649
2.189
1.904
1.544
1.294
5.912
4.804
3.304
2.545
2.110
1.842
1.503
1.262
S
21
136.000
147.800
103.000
-13.400
-38.000
-13.400
-38.900
94.900
76.200
69.100
53.400
39.400
25.600
12.300
80.300
72.300
55.300
40.600
26.300
12.700
ANG
(T
A
= 25°C)
0.023
0.053
0.090
0.109
0.157
0.206
0.255
0.302
0.390
0.453
0.029
0.063
0.093
0.149
0.192
0.237
0.282
0.369
0.437
0.108
MAG
S
12
-20.200
-18.800
64.800
57.300
57.600
56.000
49.400
41.200
32.000
22.000
68.600
49.200
48.100
47.600
43.800
37.800
30.200
21.500
0.900
1.900
ANG
|S
|S
21
12
|
|
, K = 1 + | ∆ | - |S
0.867
0.442
0.279
0.246
0.206
0.183
0.163
0.140
0.113
0.229
0.741
0.302
0.191
0.169
0.139
0.120
0.101
0.081
0.100
0.236
MAG
S
2 |S
-179.400
-102.200
-104.900
-108.700
-124.300
-111.400
22
147.600
112.500
127.200
-42.000
-81.000
-94.800
-98.300
-28.800
-67.400
-81.500
-84.900
-89.800
-94.100
-99.400
2
12
ANG
S
11
21
| - |S
2
|
22
NE688 SERIES
|
0.322
0.818
0.984
1.014
1.040
1.048
1.041
1.036
1.012
0.997
0.210
0.609
0.886
0.954
1.029
1.055
1.055
1.045
1.015
0.992
2
,
∆ = S
K
11
S
22
28.956
22.390
18.033
16.482
12.415
31.469
23.539
18.405
15.931
12.192
8.057
6.851
5.349
4.606
9.785
- S
MAG
9.756
8.090
6.829
5.314
4.558
(dB)
21
S
1
12