TYPICAL SCATTERING PARAMETERS (TA = 25°C)
NE688 SERIES
Coordinates in Ohms
Frequency in GHz
(VCE = 0.5 V, IC = 0.5 mA)
NE68819
VCE = 0.5 V, IC = 0.5 mA
FREQUENCY S11 S21 S12 S22 K MAG
1
GHz MAG ANG MAG ANG MAG ANG MAG ANG (dB)
0.1 0.976 -16.300 1.892 164.300 0.061 77.700 0.990 -9.700 0.096 14.916
0.4 0.890 -62.900 1.635 125.300 0.203 47.300 0.892 -34.600 0.229 9.060
0.8 0.764 -108.300 1.250 86.900 0.283 18.500 0.757 -56.300 0.428 6.451
1.0 0.726 -125.500 1.098 72.100 0.294 8.100 0.716 -64.300 0.518 5.723
1.5 0.691 -159.300 0.859 43.500 0.276 -10.800 0.654 -81.500 0.722 4.931
2.0 0.685 174.200 0.715 22.600 0.233 -21.800 0.626 -97.700 0.946 4.870
2.5 0.689 150.800 0.618 6.500 0.184 -23.000 0.607 -115.400 1.257 2.208
3.0 0.693 129.200 0.554 -5.300 0.159 -8.700 0.592 -136.300 1.553 1.042
VCE = 1.0 V, IC = 1.0 mA
0.1 0.955 -18.200 3.606 164.000 0.047 77.800 0.985 -10.600 0.083 18.849
0.4 0.846 -68.100 2.975 127.000 0.153 47.200 0.851 -37.000 0.197 12.888
0.8 0.705 -114.900 2.125 92.400 0.205 21.600 0.685 -58.000 0.384 10.156
1.0 0.666 -132.000 1.825 79.400 0.210 13.300 0.636 -65.100 0.480 9.390
1.5 0.624 -165.000 1.363 53.900 0.200 0.700 0.565 -79.600 0.727 8.335
2.0 0.612 169.600 1.102 34.300 0.181 -3.100 0.529 -92.900 1.002 7.576
2.5 0.610 147.400 0.948 17.600 0.171 1.400 0.503 -107.600 1.241 4.481
3.0 0.612 127.000 0.850 3.100 0.189 9.500 0.478 -125.400 1.295 3.271
4.0 0.633 87.700 0.731 -22.000 0.312 7.300 0.464 -175.100 1.058 2.229
5.0 0.660 50.700 0.634 -42.500 0.434 -14.500 0.542 135.800 1.022 0.747
VCE = 3.0 V, IC = 3.0 mA
0.1 0.902 -25.000 9.548 160.300 0.035 75.900 0.964 -15.500 0.085 24.358
0.4 0.706 -86.100 6.729 119.100 0.098 44.700 0.708 -47.700 0.288 18.367
0.8 0.558 -133.100 4.185 89.200 0.123 29.300 0.500 -66.200 0.552 15.318
1.0 0.528 -148.700 3.477 78.800 0.129 26.300 0.448 -71.400 0.673 14.306
1.5 0.496 -177.500 2.465 57.900 0.143 23.100 0.383 -80.700 0.911 12.365
2.0 0.484 161.200 1.924 40.800 0.162 22.300 0.349 -89.300 1.068 9.158
2.5 0.480 142.700 1.613 25.100 0.189 21.100 0.324 -98.900 1.127 7.147
3.0 0.485 125.800 1.425 10.500 0.224 17.800 0.295 -112.300 1.115 5.973
4.0 0.518 91.200 1.187 -17.200 0.313 4.600 0.256 -159.100 1.030 4.721
5.0 0.579 56.600 0.985 -43.600 0.396 -14.900 0.342 147.600 0.973 3.957
VCE = 3.0 V, IC = 7.0 mA
0.1 0.786 -39.600 18.403 151.700 0.031 72.000 0.903 -25.500 0.118 27.735
0.4 0.542 -113.500 9.834 106.700 0.073 44.700 0.506 -65.400 0.487 21.294
0.8 0.450 -156.200 5.452 82.100 0.097 40.800 0.320 -82.200 0.797 17.498
1.0 0.434 -169.300 4.445 73.700 0.109 40.500 0.281 -86.600 0.894 16.104
1.5 0.420 167.100 3.072 55.700 0.143 38.100 0.231 -93.200 1.016 12.550
2.0 0.411 149.700 2.376 40.500 0.180 33.900 0.203 -99.000 1.069 9.601
2.5 0.410 134.000 1.974 25.900 0.220 27.700 0.179 -106.000 1.078 7.824
3.0 0.413 120.000 1.726 12.000 0.262 19.900 0.154 -119.300 1.067 6.606
4.0 0.460 89.000 1.412 -14.800 0.347 1.500 0.137 177.100 1.024 5.143
5.0 0.533 54.800 1.176 -40.600 0.413 -18.700 0.255 127.900 0.996 4.545
20
10
5
4
3
2
1.5
1
.8
.6
.4
.2
-.2
-.4
-.6
-.8
-1
-1.5
-2
-3
-4
-5
-10
-20
0
20101.5.8.6.4.2 5
4
321
S
22
0.1 GHz
S
11
0.1 GHz
S
22
5 GHz
S
11
5 GHz
90˚
270˚
180˚
225˚
315˚
135˚ 45˚
1
.25
S12
0.1 GHz
S21
5 GHz
S21
0.1 GHz
S12
5 GHz
Note:
1.Gain Calculations:
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
|
,
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
NE688 SERIES
0.1 0.538 -68.800 32.261 136.000 0.023 64.800 0.741 -42.000 0.322 31.469
0.4 0.385 -146.900 11.973 94.900 0.053 57.300 0.302 -81.000 0.818 23.539
0.8 0.358 -179.500 6.233 76.200 0.090 57.600 0.191 -94.800 0.984 18.405
1.0 0.352 170.400 5.038 69.100 0.109 56.000 0.169 -98.300 1.014 15.931
1.5 0.345 152.000 3.447 53.400 0.157 49.400 0.139 -102.200 1.040 12.192
2.0 0.335 137.400 2.649 39.400 0.206 41.200 0.120 -104.900 1.048 9.756
2.5 0.334 124.900 2.189 25.600 0.255 32.000 0.101 -108.700 1.041 8.090
3.0 0.334 112.100 1.904 12.300 0.302 22.000 0.081 -124.300 1.036 6.829
4.0 0.396 83.800 1.544 -13.400 0.390 0.900 0.100 147.600 1.012 5.314
5.0 0.483 50.200 1.294 -38.000 0.453 -20.200 0.236 112.500 0.997 4.558
TYPICAL SCATTERING PARAMETERS (TA = 25°C)
NE68819
VCE = 3.0 V, IC = 20 mA
FREQUENCY S11 S21 S12 S22 K MAG
1
GHz MAG ANG MAG ANG MAG ANG MAG ANG (dB)
VCE = 5.0 V, IC = 10 mA
0.1 0.717 -44.700 22.801 147.800 0.029 68.600 0.867 -28.800 0.210 28.956
0.4 0.466 -119.600 10.924 103.000 0.063 49.200 0.442 -67.400 0.609 22.390
0.8 0.383 -161.000 5.912 80.300 0.093 48.100 0.279 -81.500 0.886 18.033
1.0 0.371 -173.600 4.804 72.300 0.108 47.600 0.246 -84.900 0.954 16.482
1.5 0.356 163.800 3.304 55.300 0.149 43.800 0.206 -89.800 1.029 12.415
2.0 0.349 146.600 2.545 40.600 0.192 37.800 0.183 -94.100 1.055 9.785
2.5 0.346 131.700 2.110 26.300 0.237 30.200 0.163 -99.400 1.055 8.057
3.0 0.349 118.200 1.842 12.700 0.282 21.500 0.140 -111.400 1.045 6.851
4.0 0.403 87.800 1.503 -13.400 0.369 1.900 0.113 -179.400 1.015 5.349
5.0 0.485 53.100 1.262 -38.900 0.437 -18.800 0.229 127.200 0.992 4.606
Note:
1.Gain Calculations:
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
|
,
MAG = Maximum Available Gain
MSG = Maximum Stable Gain
TYPICAL SCATTERING PARAMETERS (TA = 25°C)
NE688 SERIES
FREQUENCY S11 S21 S12 S22 K MAG
1
GHz MAG ANG MAG ANG MAG ANG MAG ANG (dB)
0.1 0.977 -15.600 1.794 165.200 0.063 78.200 0.989 -8.600 0.101 14.545
0.4 0.880 -61.200 1.560 127.600 0.209 50.900 0.883 -29.700 0.247 8.730
0.8 0.749 -103.800 1.199 92.400 0.282 26.900 0.745 -47.000 0.457 6.286
1.0 0.710 -119.300 1.057 79.900 0.287 19.000 0.706 -53.300 0.549 5.662
1.5 0.670 -148.700 0.832 57.200 0.249 7.800 0.654 -67.800 0.777 5.239
2.0 0.667 -171.700 0.691 43.200 0.185 11.100 0.641 -82.200 1.079 4.012
2.5 0.669 168.000 0.595 35.800 0.160 39.600 0.636 -97.500 1.352 2.162
3.0 0.663 148.500 0.545 34.900 0.240 62.300 0.624 -113.300 1.179 0.998
VCE = 1.0 V, IC = 1.0 mA
0.1 0.956 -16.900 3.478 165.200 0.050 78.400 0.983 -9.700 0.092 18.424
0.4 0.824 -67.100 2.847 128.900 0.157 50.900 0.834 -32.200 0.224 12.585
0.8 0.672 -110.800 2.021 97.700 0.202 31.500 0.661 -48.100 0.444 10.002
1.0 0.630 -126.100 1.739 86.900 0.205 26.700 0.613 -53.400 0.555 9.285
1.5 0.583 -154.600 1.306 67.000 0.188 25.000 0.550 -64.600 0.849 8.418
2.0 0.571 -176.300 1.067 53.000 0.174 36.300 0.528 -75.600 1.116 5.800
2.5 0.569 165.000 0.918 42.700 0.201 53.800 0.520 -87.500 1.149 4.251
3.0 0.562 147.100 0.821 36.200 0.274 63.000 0.513 -100.100 1.056 3.316
4.0 0.554 115.300 0.745 28.400 0.477 56.800 0.476 -128.100 0.969 1.936
5.0 0.562 93.000 0.751 20.000 0.635 39.900 0.439 -166.000 0.985 0.729
VCE = 3.0 V, IC = 3.0 mA
0.1 0.869 -24.100 9.277 160.200 0.035 76.600 0.957 -14.600 0.114 24.233
0.4 0.635 -85.100 6.331 119.900 0.097 51.200 0.673 -40.700 0.380 18.147
0.8 0.484 -127.600 3.861 94.600 0.124 45.600 0.471 -51.200 0.690 14.933
1.0 0.449 -141.200 3.196 86.700 0.134 46.800 0.426 -53.800 0.814 13.775
1.5 0.415 -166.200 2.270 71.200 0.162 52.300 0.371 -59.200 1.003 11.109
2.0 0.402 174.800 1.800 59.500 0.199 57.200 0.352 -65.500 1.064 8.018
2.5 0.401 159.600 1.523 49.600 0.246 60.100 0.348 -72.700 1.043 6.648
3.0 0.396 144.900 1.339 41.200 0.304 60.300 0.347 -80.800 1.005 5.989
4.0 0.411 118.700 1.114 27.800 0.434 54.500 0.332 -100.400 0.947 4.094
5.0 0.470 99.800 1.000 15.700 0.560 43.200 0.289 -136.400 0.931 2.518
VCE = 3.0 V, IC = 7.0 mA
0.1 0.721 -40.400 17.900 149.800 0.032 70.700 0.873 -25.700 0.206 27.477
0.4 0.434 -111.800 8.737 106.900 0.075 55.700 0.453 -55.300 0.650 20.663
0.8 0.350 -150.000 4.773 87.500 0.112 60.000 0.293 -61.900 0.915 16.296
1.0 0.336 -161.700 3.890 81.400 0.132 61.700 0.263 -63.300 0.973 14.694
1.5 0.318 178.800 2.710 69.200 0.184 63.300 0.230 -67.100 1.035 10.542
2.0 0.315 163.400 2.124 59.100 0.240 62.700 0.221 -71.900 1.035 8.321
2.5 0.313 150.200 1.779 50.200 0.297 60.700 0.222 -77.600 1.021 6.882
3.0 0.310 137.900 1.559 42.400 0.355 57.600 0.226 -84.600 1.004 6.059
4.0 0.322 116.200 1.305 29.000 0.470 49.300 0.220 -103.900 0.973 4.435
5.0 0.397 102.200 1.160 16.500 0.570 38.800 0.194 -144.300 0.954 3.086
NE68830
VCE = 0.5 V, IC = 0.5 mA
Coordinates in Ohms
Frequency in GHz
(VCE = 0.5 V, IC = 0.5 mA)
20
10
5
4
3
2
1.5
1
.8
.6
.4
.2
-.2
-.4
-.6
-.8
-1
-1.5
-2
-3
-4
-5
-10
-20
0
20101.5.8.6.4.2 5
4
321
S
22
0.1 GHz
S
11
0.1 GHz
S
22
5 GHz
S
11
5 GHz
90˚
270˚
180˚
225˚
315˚
135˚ 45˚
1
.25 .50
S12
0.1 GHz
S12
5 GHz
S21
5 GHz
S21
0.1 GHz
See notes on previous page.

NE68830-A

Mfr. #:
Manufacturer:
CEL
Description:
RF Bipolar Transistors NPN High Frequency
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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