ISL59441 Datasheet, PDF (4/12 Pages) Intersil Corporation – 900MHz Multiplexing Amplifier

ISL59441
Typical Performance Curves V_S = ±5V, R_L = 500Ω to GND, T_A = 25°C, unless otherwise specified.
5
4
A_V = 1
V_OUT = 200mV_P-P
3 ^{RF = 301Ω}
2
1
C_L = 9.7pF
C_L = 7.2pF
0
-1
C_L = 5.5pF
-2
C_L = 1.6pF
-3
-4 ^{CL INCLUDES 1.6pF}
BOARD CAPACITANCE
-5
1
10
100
FREQUENCY (MHz)
1000
FIGURE 1. SMALL SIGNAL GAIN vs FREQUENCY vs C_L
5
4
A_V = 1
V_OUT = 200mV_P-P
3 C_L = 1.6pF
2 ^{RF = 301Ω}
1
0
R_L = 500Ω
R_L = 1kΩ
-1
-2
R_L = 150Ω
-3
R_L = 75Ω
-4
-5
1
10
100
1000
FREQUENCY (MHz)
FIGURE 2. SMALL SIGNAL GAIN vs FREQUENCY vs R_L
5
A_V = 2
4 V_OUT = 2V_P-P
3 ^{RG = RF = 205Ω}
2
1
0
C_L = 9.7pF
-1
-2
C_L = 7.2pF
-3
-4 ^{CL INCLUDES 1.6pF}
BOARD CAPACITANCE
-5
1
10
C_L = 5.5pF
C_L = 1.6pF
100
FREQUENCY (MHz)
1000
FIGURE 3. LARGE SIGNAL GAIN vs FREQUENCY vs C_L
5
4
A_V = 2
V_OUT = 2V_P-P
3 C_L = 1.6pF
2 ^{RG = RF = 205Ω}
1
0
-1
-2
-3
R_L = 150Ω
R_L = 1kΩ
R_L = 500Ω
-4
R_L = 75Ω
-5
1
10
100
1000
FREQUENCY (MHz)
FIGURE 4. LARGE SIGNAL GAIN vs FREQUENCY vs R_L
0.8
0.7
A_V = 1
V_OUT = 200mV_P-P
0.6 ^{RF = 301Ω}
0.5
C_L = 9.7pF
C_L = 7.2pF
C_L = 5.5pF
0.4
0.3
0.2
0.1
0
-0.1 ^{CL INCLUDES 1.6pF}
BOARD CAPACITANCE
-0.2
1
10
100
FREQUENCY (MHz)
C_L = 1.6pF
1000
FIGURE 5. SMALL SIGNAL 0.1dB GAIN vs FREQUENCY vs C_L
0.8
0.7
R_L = 1kΩ
R_L = 500Ω
0.6
0.5
0.4
0.3
R_L = 150Ω
0.2
0.1 _{AV = 1}
0 VOUT = 200mVP-P
-0.1 ^{CL = 1.6pF}
R_F = 301Ω
-0.2
1
10
R_L = 75Ω
100
1000
FREQUENCY (MHz)
FIGURE 6. SMALL SIGNAL 0.1dB GAIN vs FREQUENCY vs R_L
4
FN6163.2
September 21, 2005