TYPICAL SCATTERING PARAMETERS (TA = 25°C)
NE97733
VCE = -1 V, IC = -5 mA
FREQUENCY S11 S21 S12 S22 K MAG
1
Note:
1. Gain Calculation:
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
(GHz) MAG ANG MAG ANG MAG ANG MAG ANG (dB)
0.50 0.428 -126.3 4.899 100.7 0.101 52.7 0.417 -54.0 0.77 16.8
0.80 0.382 -160.6 3.398 82.8 0.132 54.1 0.309 -60.2 0.97 14.1
1.00 0.374 -175.9 2.813 74.1 0.154 55.0 0.272 -64.5 1.04 11.5
1.50 0.387 155.1 2.002 56.8 0.213 54.6 0.230 -80.1 1.09 7.9
2.00 0.419 132.6 1.583 42.6 0.274 51.3 0.226 -100.1 1.07 6.0
2.50 0.461 114.5 1.323 30.6 0.336 46.5 0.247 -119.0 1.04 4.8
3.00 0.502 100.2 1.148 21.0 0.393 40.9 0.270 -133.8 1.01 4.1
4.00 0.552 82.6 0.948 7.0 0.501 29.4 0.267 -159.3 0.98 2.8
5.00 0.574 74.2 0.859 -4.4 0.599 16.0 0.218 155.9 0.98 1.6
VCE = -5 V, IC = -10 mA
0.50 0.251 -126.4 7.121 99.1 0.072 67.8 0.426 -38.9 0.91 19.9
0.80 0.213 -159.9 4.739 84.5 0.107 68.2 0.350 -39.9 1.00 16.0
1.00 0.207 -176.4 3.878 77.3 0.131 67.6 0.324 -41.9 1.03 13.7
1.50 0.225 151.5 2.708 62.5 0.191 64.2 0.288 -52.1 1.04 10.3
2.00 0.265 127.7 2.116 49.8 0.252 59.4 0.272 -67.9 1.03 8.2
2.50 0.316 109.8 1.754 38.6 0.310 53.5 0.275 -85.3 1.00 7.2
3.00 0.365 96.8 1.511 28.8 0.364 47.5 0.284 -100.1 0.98 6.2
4.00 0.428 82.3 1.218 13.5 0.467 36.4 0.269 -121.5 0.95 4.2
5.00 0.462 77.7 1.074 0.8 0.566 24.3 0.171 -148.4 0.94 2.8
VCE = -8 V, IC = -3 mA
0.50 0.626 -74.0 4.205 119.4 0.088 54.6 0.673 -32.7 0.56 16.8
0.80 0.447 -111.0 3.520 97.8 0.109 51.8 0.558 -38.2 0.79 15.1
1.00 0.374 -131.4 3.075 87.0 0.122 52.6 0.512 -41.0 0.91 14.0
1.50 0.302 -174.7 2.293 67.2 0.157 56.0 0.451 -49.9 1.05 10.2
2.00 0.310 151.1 1.824 51.9 0.202 57.8 0.427 -62.0 1.06 8.0
2.50 0.355 125.4 1.516 39.0 0.256 56.7 0.425 -76.0 1.01 7.0
3.00 0.407 106.9 1.301 28.4 0.314 53.7 0.433 -89.1 0.96 6.2
4.00 0.428 85.0 1.038 13.9 0.438 44.7 0.425 -110.2 0.90 3.7
5.00 0.503 74.6 0.930 3.7 0.573 32.3 0.328 -133.5 0.91 2.1
VCE = -8 V, IC = -20 mA
0.50 0.151 -140.9 8.095 95.5 0.067 74.7 0.389 -34.1 0.98 20.8
0.80 0.140 -172.1 5.268 83.1 0.105 73.5 0.334 -34.1 1.02 16.2
1.00 0.142 172.1 4.288 76.7 0.129 72.2 0.315 -36.1 1.03 14.1
1.50 0.170 141.7 2.974 63.2 0.191 66.9 0.285 -46.2 1.03 10.9
2.00 0.215 119.7 2.317 51.4 0.252 60.8 0.269 -61.6 1.02 8.9
2.50 0.268 104.0 1.918 40.7 0.309 54.6 0.268 -79.2 1.00 7.9
3.00 0.318 92.5 1.652 31.2 0.362 48.4 0.274 -94.3 0.98 6.6
4.00 0.379 80.9 1.332 15.8 0.459 36.9 0.257 -114.2 0.95 4.6
5.00 0.416 79.2 1.169 2.6 0.552 25.3 0.154 -134.6 0.94 3.3
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
|
2
2
2
2 |S
12
S
21
|
,
0.2 0.4 0.6 0.8 1 1.5 2 3 4 5 10 20
50
-50
20
10
5
4
3
2
1.5
1
0.8
0.6
0.4
0.2
-0.2
-0.4
-0.6
-0.8
-1
-1.5
-2
-3
-4
-5
-10
-20
S
11
S
22
270˚
180˚
225˚
315˚
135˚
0˚
90˚
45˚
S
12
S
21
1.0
2.0
3.0
4.0
0.1 0.2 0.3 0.4 0.5
97733
VCE = -8 V, IC = -3 mA
