CA3102 Datasheet, PDF (9/11 Pages) Intersil Corporation – Dual High Frequency Differential Amplifier For Low Power Applications Up to 500MHz

CA3102
Typical Performance Curves (Continued)
20
g₂₁
10
0
CASCODE AMPLIFIER
I₃ = I₉ = 2mA
f = 200MHz
-10
T_A = 25^oC
-20
-30
0
b₂₁
5
10
15 20
25
30
35
COLLECTOR SUPPLY VOLTAGE (V)
FIGURE 28. FORWARD TRANSFER ADMITTANCE (Y₂₁) vs
COLLECTOR SUPPLY VOLTAGE
20
15
b₂₁
10
5
DIFFERENTIAL AMPLIFIER
I₃ = I₉ = 4mA
0
f = 200MHz
T_A = 25^oC
-5
-10
g₂₁
-15
0
10
20
30
40
COLLECTOR SUPPLY VOLTAGE (V)
FIGURE 29. FORWARD TRANSFER ADMITTANCE (Y₂₁) vs
COLLECTOR SUPPLY VOLTAGE
40
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
-80
0
g₂₁
CASCODE AMPLIFIER
V_CC = 12V
f = 200MHz
T_A = 25^oC
b₂₁
2
4
6
8
10
12
14
EMITTER CURRENT (I₃ OR I₉) (mA)
FIGURE 30. FORWARD TRANSFER ADMITTANCE (Y₂₁) vs
EMITTER CURRENT
50
DIFFERENTIAL AMPLIFIER
40 ^VCC ^{= 12V}
f = 200MHz
30 ^{TA = 25oC}
b₂₁
20
10
0
-10
-20
0
g₂₁
4
8
12
16
EMITTER CURRENT (I₃ OR I₉) (mA)
FIGURE 31. FORWARD TRANSFER ADMITTANCE (Y₂₁) vs
EMITTER CURRENT
9