NE685 SERIES
NE68533
NE68539
TYPICAL NOISE PARAMETERS (TA = 25˚C)
TYPICAL NOISE PARAMETERS (TA = 25˚C)
FREQ.
(MHz)
NFOPT
(dB)
GA
(dB)
ΓOPT
FREQ.
(MHz)
NFOPT
(dB)
GA
(dB)
ΓOPT
MAG
ANG
Rn/50
MAG
ANG
Rn/50
VCE = 0.5 V, IC = 0.5 mA
VCE = 2.5 V, IC = 0.3 mA
500
800
1000
0.9
1.1
1.3
12.03
10.22
9.24
0.76
0.72
0.67
19
37
50
1.19
0.84
0.72
500
800
1000
1.42
1.58
1.70
13.3
9.7
8.0
0.80
0.72
0.64
18
32
43
2.52
1.40
1.29
VCE = 1.0 V, IC = 0.5 mA
VCE = 2.5 V, IC = 1.0 mA
500
800
1000
0.9
1.0
1.2
13.19
10.87
10.16
0.75
0.73
0.68
18
35
47
1.23
0.89
0.77
500
800
1000
1500
2000
0.85
0.98
1.07
1.29
1.52
16.3
12.6
11.0
7.8
0.72
0.61
0.51
0.38
0.30
17
29
40
55
67
0.66
0.50
0.48
0.39
0.32
VCE = 1.0 V, IC = 1.0 mA
6.2
500
800
1000
0.9
1.0
1.2
14.57
12.04
10.94
0.73
0.67
0.64
17
33
45
0.74
0.54
0.50
VCE = 2.5 V, IC = 3.0 mA
500
800
1000
1500
2000
2500
1.17
1.30
1.39
1.69
2.00
2.33
18.2
14.9
13.2
10.0
7.6
0.63
0.51
0.34
0.23
0.17
0.16
19
29
33
28
13
-13
0.46
0.38
0.34
0.30
0.25
0.21
VCE = 2.5 V, IC = 1 mA
500
800
1000
2000
0.9
1.0
1.1
1.6
15.67
12.73
11.79
4.73
0.73
0.68
0.65
0.59
16
30
42
53
0.77
0.57
0.58
0.36
5.8
VCE = 3 V, IC = 5.0 mA
VCE = 2.5 V, IC = 3 mA
500
800
1000
1500
2000
2500
1.27
1.40
1.50
1.81
2.13
2.47
19.5
15.8
14.1
10.9
8.6
0.57
0.41
0.31
0.23
0.19
0.17
17
25
26
21
10
-10
0.44
0.38
0.35
0.29
0.26
0.22
500
800
1000
2000
2500
1.07
1.13
1.30
1.43
1.63
18.37
14.40
13.15
7.48
0.61
0.55
0.56
0.42
0.24
14
19
35
40
69
0.54
0.39
0.40
0.34
0.22
6.59
6.8
CEL [ CALIFORNIA EASTERN LABS ]
