NE688 CEL, NE688 Datasheet - Page 11

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

TYPICAL SCATTERING PARAMETERS
NE68839
V
Note:
1.Gain Calculations:
V
CE
MAG =
FREQUENCY
CE
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
= 5.0 V, I
= 5.0 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
= 5.0 mA
= 10 mA
0.440
0.425 -
0.489
0.534
0.575
0.660
0.728
0.840
0.574
0.443
0.383
0.418
0.468
0.712
0.703
0.441
0.378
0.512
0.559
0.638
MAG
K - 1
2
S
).
11
-144.900
-117.800
167.400
133.000
-163.300
-177.500
When K ≤ 1, MAG is undefined and MSG values are used. MSG =
162.500
147.700
122.900
106.200
-29.900
105.400
158.400
142.100
130.300
120.900
-94.600
-41.700
92.400
92.600
ANG
14.218
22.638
11.095
4.315
2.978
2.263
1.846
0.962
9.003
5.274
1.549
1.190
4.863
2.505
2.034
6.015
3.313
1.708
1.312
1.066
MAG
S
21
116.400
149.200
106.400
158.000
67.400
54.300
43.100
53.900
43.700
91.200
83.200
33.600
17.500
85.900
79.200
65.600
34.800
19.300
4.100
5.700
ANG
(T
A
= 25°C)
0.029
0.105
0.116
0.147
0.178
0.211
0.362
0.078
0.244
0.308
0.027
0.064
0.095
0.112
0.153
0.193
0.231
0.265
0.325
0.370
MAG
S
12
74.900
51.400
46.300
46.700
47.900
47.900
46.500
38.000
29.700
44.400
69.700
55.900
55.200
44.100
26.100
54.500
56.300
52.200
48.300
35.200
ANG
|S
|S
21
12
|
|
, K = 1 + | ∆ | - |S
0.937
0.598
0.372
0.315
0.190
0.177
0.190
0.264
0.365
0.232
0.865
0.432
0.246
0.133
0.153
0.282
0.377
0.203
0.145
0.191
MAG
2 |S
S
-111.500
-133.600
-166.000
-152.300
-126.000
-170.400
172.800
-17.100
-46.200
-58.000
-61.700
-72.500
-89.500
168.100
154.100
22
2
-26.400
-59.100
-71.500
-77.000
-97.200
12
ANG
S
11
21
| - |S
|
2
22
NE688 SERIES
|
0.114
0.444
0.750
0.854
1.048
0.925
2
0.991
1.045
1.040
0.974
0.232
0.901
0.956
1.020
0.993
0.954
0.640
1.035
1.034
1.024
,
∆ = S
K
11
S
22
26.904
20.623
17.010
15.705
13.066
29.235
22.389
18.015
16.377
12.494
8.074
6.802
4.245
9.746
5.870
- S
9.985
8.325
7.135
6.061
4.596
MAG
(dB)
21
S
12
1