NE681 SERIES
TYPICAL PERFORMANCE CURVES (TA = 25°C)
DC POWER DERATING CURVES
COLLECTOR TO BASE CAPACITANCE
vs. COLLECTOR TO BASE VOLTAGE
5.0
400
3.0
2.0
300
200
1.0
0.7
0.5
NE68135
NE68133
0.3
0.2
100
0
NE68133
NE68135
0.1
0
50
100
150
200
1
2
3
5
7
10
20
30
50
Ambient Temperature, TA (°C)
Collector to Base Voltage, VCB (V)
FORWARD CURRENT GAIN
vs. COLLECTOR CURRENT
GAIN BANDWIDTH PRODUCT
vs. COLLECTOR CURRENT
500
50
VCE = 8 V
VCE = 8 V
300
200
30
20
100
10
70
50
7
5
30
20
3
2
10
1
1
2
3
5
7
10
20 30
50
1
2
3
5
7
10
20 30
50
Collector Current, IC (mA)
Collector Current, IC (mA)
NE68133
NOISE FIGURE
NE68100 & NE68135
NOISE FIGURE
vs. COLLECTOR CURRENT
vs. COLLECTOR CURRENT
3.0
2.5
2.0
1.5
1.0
3.0
2.5
2.0
1.5
1.0
V
CE = 8 V
V
CE = 8 V
f = 2 GHz
f = 1 GHz
0.5
0
0.5
0
1
2
3
5
7
10
20 30
50
1
2
3
5
7
10
20 30
50
Collector Current, IC (mA)
Collector Current, IC (mA)
CEL [ CALIFORNIA EASTERN LABS ]
