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ISL59483 Datasheet, PDF (5/17 Pages) Intersil Corporation – Dual, 500MHz Triple, Multiplexing Amplifiers
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ISL59483
Typical Performance Curves VS = ±5V, RL = 500Ω to GND, TA = +25°C, unless otherwise specified.
10
SOURCE
8 POWER=-20dBm
CL=16.5pF
5
SOURCE
4 POWER=-20dBm
6
CL=11.5pF
3
4
CL=7.3pF
2
2
CL=6.2pF
1
0
0
-2
CL=4.7pF
-4
CL=2.2pF
-6
-8
CL INCLUDES 1.5pF
BOARD CAPACITANCE
CL=1.5pF
-10
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 1. MUX1: GAIN vs FREQUENCY vs CL
-1
-2
RL=100Ω
RL=150Ω
-3
RL=500Ω
-4
RL=1kΩ
-5
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 2. MUX1: GAIN vs FREQUENCY vs RL
10
8 VOUT = 0.2VP-P
6
4
2
CL = 8.8pF
CL = 7.4pF
CL = 6.2pF
CL = 4.5pF
0
-2
-4
-6
-8
CL INCLUDES 0.6pF
BOARD CAPACITANCE
CL = 3.3pF
CL = 2.1pF
CL = 1.1pF
CL = 0.6pF
-10
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 3. MUX2: SMALL SIGNAL GAIN vs FREQUENCY vs
CL INTO 500Ω LOAD
10
8
VOUT = 0.2VP-P
6
4
2
CL = 12.6pF
CL = 10.6pF
CL = 8.8pF
CL = 6.2pF
0
-2
CL = 4.5pF
-4
CL = 3.3pF
-6
-8
CL INCLUDES 0.6pF
BOARD CAPACITANCE
CL = 2.1pF
CL = 0.6pF
-10
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 4. MUX2: SMALL SIGNAL GAIN vs FREQUENCY vs
CL INTO 150Ω LOAD
0.2
SOURCE
0.1 POWER=-20dBm
0.0
CL=4.7pF
-0.1
²
-0.2
-0.3
CL=1.5pF
-0.4
-0.5
-0.6
-0.7
-0.8
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 5. MUX1: 0.1dB GAIN vs FREQUENCY
5
100
10
1
0.1
0.1k
1M
10M
100M
1G
FREQUENCY (Hz)
FIGURE 6. MUX1: ROUT vs FREQUENCY
FN6394.1
December 22, 2006
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