12
FIGURE 30. 2nd HARMONIC DISTORTION vs POUT
FIGURE 31. 3rd HARMONIC DISTORTION vs POUT
FIGURE 32. VH LIMIT ACCURACY vs OVERDRIVE
FIGURE 33. VL LIMIT ACCURACY vs OVERDRIVE
FIGURE 34. LINEARITY NEAR LIMIT VOLTAGE
FIGURE 35. LINEARITY NEAR LIMIT VOLTAGE
Typical Performance Curves VSUPPLY = ±5V, TA = 25oC, RF = Value From the Optimum Feedback Resistor Table, RL = 100,
Unless Otherwise Specified (Continued)
-5.0
0
5.0
10.0
15.0
-70
-65
-60
-55
-50
-45
-40
OUTPUT POWER (dBm)
HA
RMONIC
DIS
T
OR
TION
(dBc)
20MHz
10MHz
-2.5
2.5
7.5
12.5
AV = +2, RF = 250
-5.0
0
5.0
10.0
15.0
-75
-70
-65
-60
-55
-50
-45
OUTPUT POWER (dBm)
HARMONIC
DIST
OR
TION
(d
Bc
)
-2.5
2.5
7.5
12.5
AV = +2, RF = 250
20MHz
10MHz
OVERDRIVE (% OF VH)
L
IMIT
A
C
URA
CY
(m
V
)
AV = +2
0
100
200
300
400
500
-200
-150
-100
-50
0
50
100
150
VH = +2.0V, RF = 250
VH = +500mV, RF = 250
VH = +500mV, RF = 510
VH = +1.0V, RF = 510
VH = +2.0V, RF = 510
VH = +1.0V, RF = 250
OVERDRIVE (% OF VL)
LIMIT
A
CCURA
C
Y
(m
V)
AV = +2
0
100
200
300
400
500
-200
-150
-100
-50
0
50
100
150
VL = -500mV, RF = 510
VL = -2.0V, RF = 510
VL = -1.0V, RF = 510
VL = -1.0V, RF = 250
VL = -500mV, RF = 250
VL = -2.0V, RF = 250
-2.0
-1.0
0
1.0
2.0
0
1.0
2.0
AV x VIN (V)
L
INEARIT
Y
E
R
O
R
(%
)
0.2
0.4
0.6
0.8
1.2
1.4
1.6
1.8
-1.5
-0.5
0.5
1.5
AV = +2
RF = 250
VL = -500mV
VH = +1V
VH = +500mV
VH = +2V
VL = -2V
VL = -1V
-2.0
-1.0
0
1.0
2.0
0
1.0
2.0
AV x VIN (V)
LINEARITY
E
R
O
R
(%
)
-1.5
1.5
1.2
1.4
1.6
1.8
0.2
0.4
0.6
0.8
-0.5
0.5
AV = +1
VH = +1V
VL = -1V
VH = +500mV
VL = -500mV
VL = -2V
VH = +2V
HFA1135