
Forward Transfer Admittance
Characteristics
60
yfb = gfb+jbfb
50
400 MHz
40
10 mA
5 mA
600
30
20
10
VCB = 10 V
Output end short
800
900
1,000
1,200
0
–30 –20 –10 0
10 20 30
Forward Transfer Conductance gfb (mS)
2SC1907
Output Admittance Characteristics
15
yob = gob+jbob
1,200
10
1,000
900
800
600
5
400 MHz
VCB = 10 V
Input end short
0
1.5 3.0 4.5 6.0 7.5
Output Conductance gob (mS)
5