Datasheet

AD8337
Rev. C | Page 14 of 32
TEST CIRCUITS
NETWORK ANALYZER
50Ω
INOUT
20Ω 453Ω
AD8337
100Ω
3
4
PrA
+
–
1
100Ω
56.2Ω
49.9Ω
5 7
50Ω
05575-044
V
GAIN
Figure 44. Gain and Gain Error vs. V
GAIN
3
4
1
57
50Ω 50Ω
IN
NETWORK ANALYZER
OUT
20Ω
V
GAIN
PrA49.9Ω
AD8337
100Ω
+
–
100Ω
453Ω
OPTIONAL
POSITIONS FOR
C
L
05575-045
Figure 45. Frequency Response
50Ω 50Ω
IN
NETWORK ANALYZER
OUT
PrA
3
4
1
5
AD8337
100Ω
100Ω
+
–
7
49.9Ω
20Ω 453Ω
NC
NC
453Ω
05575-046
Figure 46. Frequency Response—Preamp
50Ω 50Ω
IN
NETWORK ANALYZER
OUT
PrA
3
4
1
5
7
AD8337
100Ω
100Ω
+
–
49.9Ω
56.2Ω
453Ω
20Ω
0
5575-047
Figure 47. Group Delay
DIFFERENTIAL
FET PROBE
PrA
3
4
7
1
5
100Ω
100Ω
50Ω
50Ω
OUT CH1 CH2
OSCILLOSCOPE
50Ω
453Ω
AD8337
+
–
50Ω
FUNCTION
GENERATOR
V
GAIN
0
5575-048
Figure 48. Offset Voltage
NC
NC
AD8337
50Ω
IN
NETWORK ANALYZER
CONFIGURE TO
MEASURE Z
CONVERTED S11
+
–
PrA
100Ω
3
4
1
5
0Ω
0Ω
100Ω
7
49.9Ω
05575-049
Figure 49. Output Impedance vs. Frequency