
TYPICAL PERFORMANCE CURVES (TA = 25˚C)
Q1
NOISE FIGURE vs.
COLLECTOR CURRENT
5
VCE = 3 V
lc = 1GHz
4
3
2
1
0
0.5 1.0
5.0 10
50
Collector Current, lc (mA)
UPA834TF
Q2
NOISE FIGURE vs.
COLLECTOR CURRENT
6
VCE = 3 V
lc = 1GHz
4
2
0
0.5 1.0
5.0 10
50 100
Collector Current, lc (mA)