
Moderate Power High fT NPN Silicon Transistor
MA4T856 Series
V3.00
Specifications Subject to Change Without Notice
M/A-COM Inc.
North America: Tel. (800) 366-2266
Asia/Pacific:
Tel. +85 2 2111 8088
Europe:
Tel. +44 (1344) 869-595
Fax (800) 618-8883
Fax +85 2 2111 8087
Fax +44 (1344) 300-020
MA4T85635
Typical Scattering Parameters in the MIcro-X Package
VCE = 8 Volts, IC = 20 mA
Frequency
S11E
S21E
S12E
S22E
(MHz)
Mag.
Angle
Mag.
Angle
Mag.
Angle
Mag
Angle
200
0.469
-124.6
21.56
107.4
0.026
47.0
0.546
-53.6
400
0.456
-170.4
12.34
77.1
0.037
36.6
0.363
-69.8
600
0.453
163.3
8.50
56.0
0.050
28.2
0.298
-81.1
800
0.452
142.9
6.48
37.7
0.062
18.5
0.269
-92.9
1000
0.451
124.9
5.23
20.5
0.075
7.5
0.254
-105.6
1200
0.451
108.1
4.40
3.9
0.089
4.1
0.247
-119.2
1400
0.449
91.9
3.80
-12.3
0.102
16.2
0.244
-133.0
1600
0.448
76.2
3.35
-28.2
0.116
28.8
0.242
-147.8
1800
0.450
60.8
3.01
-44.0
0.130
41.5
0.243
-163.0
2000
0.448
45.5
2.73
-59.6
0.143
54.3
0.246
-177.5
2200
0.448
30.6
2.51
-75.2
0.157
67.3
0.246
167.9
2400
0.448
15.7
2.32
-90.6
0.170
80.4
0.246
152.4
2600
0.446
1.5
2.17
-105.9
0.184
93.6
0.251
136.5
2800
0.445
-14.0
2.04
-121.1
0.198
106.9
0.258
121.9
3000
0.442
-29.1
1.92
-136.3
0.212
120.1
0.260
107.2
4000
0.443
-104.0
1.52
148.8
0.281
172.7
0.275
29.1
5000
0.442
-177.9
1.29
75.3
0.351
104.5
0.307
-48.5
6000
0.456
105.2
1.13
3.2
0.419
35.6
0.318
-126.1
MA4T85635
Typical Scattering Parameters in the MIcro-X Package
VCE = 8 Volts, IC = 40 mA
Frequency
S11E
S21E
S12E
S22E
(MHz)
Mag.
Angle
Mag.
Angle
Mag.
Angle
Mag
Angle
200
0.426
-147.7
23.88
99.9
0.021
51.7
0.443
-56.7
400
0.438
175.6
12.94
72.7
0.034
43.8
0.296
-68.7
600
0.441
153.3
8.80
52.9
0.048
34.7
0.250
-79.0
800
0.442
134.9
6.67
35.3
0.062
23.9
0.230
-90.5
1000
0.442
118.0
5.38
18.5
0.076
11.9
0.222
-103.3
1200
0.442
101.9
4.51
2.2
0.090
0.5
0.219
-117.1
1400
0.441
86.1
3.90
-13.8
0.105
13.4
0.218
-131.1
1600
0.441
70.6
3.43
-29.6
0.119
26.4
0.218
-146.0
1800
0.443
55.3
3.08
-45.3
0.133
39.7
0.221
-161.3
2000
0.443
40.2
2.79
-60.8
0.147
52.9
0.225
-175.9
2200
0.443
25.3
2.56
-76.3
0.161
66.2
0.226
169.6
2400
0.443
10.6
2.37
-91.6
0.174
79.6
0.227
154.1
2600
0.442
-4.7
2.21
-106.8
0.188
93.1
0.233
138.3
2800
0.441
-19.2
2.07
-122.0
0.202
106.5
0.242
123.8
3000
0.440
-34.3
1.95
-137.2
0.216
120.0
0.244
109.4
4000
0.446
-109.5
1.54
148.1
0.283
172.3
0.264
32.3
5000
0.447
174.0
1.30
74.7
0.351
104.0
0.297
-43.8
6000
0.466
100.3
1.13
2.9
0.414
35.3
0.307
-119.7