NE688 SERIES
TYPICAL PERFORMANCE CURVES (TA = 25°C)
NE68833
NE68833
INSERTION GAIN vs. COLLECTOR CURRENT
NOISE FIGURE vs. COLLECTOR CURRENT
8
5
f = 2 GHz
f = 2 GHz
V
CE = 3 V
4
3
6
4
V
CE = 1 V
VCE = 3 V
2
2
0
V
CE = 1 V
1
0
1
2
5
100
20
50
2
5
10
50
20
10
1
100
Collector Current, IC (mA)
Collector Current, IC (mA)
NE68839
GAIN BANDWIDTH PRODUCT
vs. COLLECTOR CURRENT
D.C. CURRENT GAIN vs.
COLLECTOR CURRENT
200
10
f = 2 GHz
V
CE = 1 V
V
CE = 3 V
8
6
4
V
CE = 1 V
100
2
0
0
0.2
20
100
0.1
0.5
2
5
10
1
50
1
2
10
20
50
5
100
Collector Current, IC (mA)
Collector Current, IC (mA)
NE68830
FEED-BACK CAPACITANCE vs.
COLLECTOR TO BASE VOLTAGE
COLLECTOR CURRENT vs.
BASE TO EMITTER VOLTAGE
100
50
VCE = 1 V
f = 1 MHz
20
10
5
1.0
2
1
0.5
0.5
0.2
0.1
0.05
0.02
0.01
0.1
1
0
0.5
20
1
10
5
Base to Emitter Voltage, VBE (V)
Collector to Base Voltage, VCB (V)
CEL [ CALIFORNIA EASTERN LABS ]
