TYPICAL COMMON EMITTER SCATTERING PARAMETERS (TA = 25°C)
NE944 SERIES
Coordinates in Ohms
Frequency in GHz
(VCE = 10 V, IC = 5 mA)
50 0.828 -28 10.472 156 0.014 65 0.969 -5 0.36 28.7
100 0.685 -48 8.553 136 0.024 64 0.915 -10 0.45 25.6
200 0.445 -74 5.730 115 0.035 59 0.840 -12 0.72 22.2
400 0.347 -105 3.358 95 0.055 62 0.790 -16 0.96 17.9
600 0.302 -128 2.394 83 0.073 61 0.773 -19 1.06 13.7
800 0.285 -146 1.877 72 0.089 63 0.763 -23 1.11 11.2
1000 0.278 -161 1.558 63 0.105 64 0.758 -27 1.13 9.5
1200 0.278 -175 1.337 55 0.121 66 0.756 -32 1.12 8.3
1400 0.281 173 1.178 48 0.139 66 0.754 -36 1.10 7.4
1600 0.286 162 1.055 42 0.158 67 0.753 -41 1.07 6.6
1500 0.295 151 0.959 36 0.178 68 0.752 -45 1.03 6.3
2000 0.304 142 0.882 31 0.202 68 0.748 -50 0.99 6.4
2200 0.317 132 0.813 26 0.225 67 0.744 -55 0.96 5.6
2400 0.329 123 0.753 22 0.254 66 0.737 -60 0.94 4.7
NE94433
VCE = 10 V, IC = 5 mA
FREQUENCY S11 S21 S12 S22 K MAG1
(MHz) MAG ANG M A G ANG MAG ANG MAG ANG (dB)
50 0.932 -14 8.225 165 0.015 65 0.982 -4 0.42 27.4
100 0.857 -29 7.587 151 0.028 64 0.961 -9 0.40 24.4
200 0.710 -51 6.158 130 0.039 64 0.884 -14 0.47 22.0
400 0.478 -79 4.030 104 0.064 59 0.797 -18 0.74 18.0
600 0.366 -98 2.902 88 0.083 58 0.765 -20 0.89 15.4
800 0.308 -114 2.263 77 0.100 58 0.752 -24 0.97 13.5
1000 0.274 -128 1.867 68 0.115 58 0.748 -28 1.01 11.4
1200 0.254 -141 1.595 59 0.130 58 0.746 -31 1.04 9.7
1400 0.242 -155 1.403 52 0.145 58 0.745 -36 1.04 8.6
1600 0.236 -168 1.256 46 0.160 59 0.745 -39 1.03 7.9
1800 0.234 179 1.142 40 0.175 60 0.744 -44 1.01 7.4
2000 0.239 167 1.050 34 0.193 60 0.743 -48 0.98 7.4
2200 0.247 154 0.970 29 0.212 60 0.742 -53 0.95 6.6
VCE = 10 V, lC = 10 mA
50 0.890 -19 10.530 162 0.014 62 0.967 -5 0.44 28.7
100 0.796 -35 9.392 145 0.025 60 0.942 -10 0.46 25.7
200 0.629 -60 7.081 123 0.037 62 0.851 -14 0.55 22.8
400 0.417 -89 4.323 99 0.059 60 0.772 -17 0.81 18.6
600 0.332 -109 3.043 85 0.079 60 0.750 -20 0.92 15.9
800 0.291 -126 2.349 74 0.095 60 0.739 -23 0.99 13.9
1000 0.270 -141 1.927 65 0.109 61 0.738 -27 1.03 11.4
1200 0.258 -155 1.639 57 0.125 61 0.736 -31 1.04 10.0
1400 0.254 -169 1.438 50 0.141 62 0.738 -35 1.02 9.3
1600 0.254 179 1.283 44 0.156 62 0.738 -39 1.00 8.7
1800 0.257 167 1.165 38 0.173 63 0.738 -43 0.98 8.3
2000 0.264 156 1.070 33 0.194 64 0.737 -48 0.94 7.4
2200 0.273 144 0.987 28 0.214 64 0.736 -53 0.91 6.6
2400 0.286 134 0.916 23 0.239 63 0.732 -57 0.87 5.8
VCE = 10 V, IC = 20 mA
Note:
1. Gain Calculations:
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
MAG = |S
21
|
|S
12
|K - 1
).
2
(
K ± ∆ = S
11
S
22
- S
21
S
12
When K ≤ 1, MAG is undefined and MSG values are used. MSG = |S
21
|
|S
12
|, K = 1 + | ∆ | - |S
11
| - |S
22
|
222
2 |S
12
S
21
|
,
j50
j25
j10
0
-j10
-j25
-j50
-j100
j100
0
10 25 50 100
S22
2.4 GHz
S22
.05 GHz
S11
2.4 GHz
S11
.05 GHz
120˚90˚
30˚
150˚
180˚
-150˚
-120˚-90˚-60˚
-30˚
0˚
.25.2
10
4
6
8
S12
2.4 GHz
S12
0.5 GHz .15
60˚
S21
0.5 GHz S21
2.4 GHz
.1