ADL5534-EVALZ(RevB) 데이터 시트보기 (PDF) - Analog Devices
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ADL5534-EVALZ Datasheet PDF : 16 Pages
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Data Sheet
L1
470nH
C7
10nF
VPOS
C9 W1
1µF GND
ADL5534
RFIN
1
T1
ADT2-1T-1P+
C15
10nF
1
NC
12 C5
2 NC
Z1
11 1nF
NC
3
NC ADL5534
10
NC
C16
4 NC
9
NC
10nF
RFOUT
T2
ADT2-1T-1P+
1
C6
L2
1nF
470nH
VPOS1
C8
10nF
C10 W2
1µF GND1
Figure 17. Connections for Operating as a Balanced Amplifier
USING BALUNS TO COMBINE BOTH AMPLIFIERS
INTO A SINGLE AMPLIFIER
The ADL5534 is ideal for use in a balanced amplifier confi-
guration. To accomplish this, flux-coupled RF transformers
with a 2:1 impedance ratio can be used for wide band
operation. Alternatively, a balun can be constructed using
lumped element components for operation over a narrow
frequency range. Figure 17 shows the necessary connections
for configuring the ADL5534 for operation as a balanced
amplifier. Figure 18 shows the performance of the ADL5534
operating in a balanced configuration.
45
90
OIP3
40
80
35
OIP2
70
30
60
P1dB
25
50
20
40
15
GAIN
30
10
20
5
NOISE FIGURE
10
0
0
0 50 100 150 200 250 300 350 400 450 500
FREQUENCY (MHz)
Figure 18. Performance of the ADL5534 Operating in Balanced
Configuration
Rev. B | Page 11 of 16
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