AD8325
–55
180
170
160
150
140
V
= 62dBmV @ MAX GAIN
–60
–65
OUT
TXEN = 0
TXEN = 1
V
= 61dBmV @ MAX GAIN
OUT
TOKO 617DB–A0070
1:1
V
= 60dBmV @ MAX GAIN
OUT
V
CC
0.1F
0.1F
V
–
IN
130
120
110
OUT–
–70
–75
Z
R
L
75⍀
165⍀
IN
OUT+
V
+
IN
V
= 59dBmV @ MAX GAIN
OUT
GND
1
10
FREQUENCY – MHz
100
5
15
25
35
45
55
65
FUNDAMENTAL FREQUENCY – MHz
TPC 7. Second Order Harmonic Distortion vs. Frequency
for Various Output Levels
TPC 10. Input Impedance vs. Frequency
–50
90
85
80
75
70
V
= 62dBmV @ MAX GAIN
OUT
–52
–54
V
= 61dBmV @ MAX GAIN
OUT
TXEN = 1
TXEN = 0
–56
–58
–60
65
V
= 60dBmV @ MAX GAIN
OUT
–62
–64
60
55
V
= 59dBmV @ MAX GAIN
OUT
5
15
25
35
45
55
65
1
10
100
FUNDAMENTAL FREQUENCY – MHz
FREQUENCY – MHz
TPC 8. Third Order Harmonic Distortion vs. Frequency for
Various Output Levels
TPC 11. Output Impedance vs. Frequency
–10
–20
–50
CH PWR
ACP UP
12.3dBm
F
V
= 42MHz
O
–54.02dB
= 61dBmV @ MAX GAIN
ACP LOW –53.79dB
OUT
–55
–60
–30
–40
HD3
–50
–60
–70
–65
–70
–80
–90
CU1
CU1
–75
–80
C0
HD2
–100
C0
C11
C11
–110
CENTER 21MHz
75kHz/DIV
SPAN 750kHz
0
10
20
30
40
50
60
70
80
GAIN CONTROL – Dec Code
TPC 9. Harmonic Distortion vs. Gain Control
TPC 12. Adjacent Channel Power
–6–
REV. 0
ADI [ ADI ]
