adl5304 Analog Devices, Inc., adl5304 Datasheet - Page 13

• Manufacturer Part Number: adl5304
• Description: High Speed, 200 Db Range, Logarithmic Converter
• Manufacturer: Analog Devices, Inc.

Data Sheet
TEST CIRCUITS
1kΩ TO 10MΩ
50Ω
TERM
CURRENT
TO SET
50Ω
J1
J2
MEASURE VOLTAGE
MEASURE VOLTAGE
VSM1
VSM2
VSM3
VSM4
KEITHLEY 236 SMU
SOURCE CURRENT
KEITHLEY 236 SMU
SOURCE CURRENT
INUM
EVALUATION BOARD
IDEN
IREF
MODIFIED TO PROVIDE
VSM1
VSM2
VSM3
VSM4
INUM
Figure 38. Setup for Measuring Logarithmic/Slope/Offset Conformance
IDEN
IREF
DC OFFSET
2
3
4
5
6
7
8
AD8138
IMON
1.5V
1.5V
2
3
4
5
6
7
8
IMON
1.5V
1.5V
MONITOR AND
30
(1.1× I
MONITOR AND
30
PD BIAS
(1.1× I
Figure 39. Setup for Measuring Bandwidth
PD BIAS
NUM
VNUM
NUM
VDEN
)
J3
J4
50Ω
VNUM
VDEN
)
32
9
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0.1µF
32
9
INNM
INDN
0.1µF
INNM
INDN
31
10
COMM NMFS VNEG DNFS
V
V
1P5V
31
10
100nA
NUM
DEN
11
COMPENSATION
V
COMM NMFS VNEG DNFS
V
TEMPERATURE
1P5V
100nA
NUM
1.5V
DEN
11
26
ADL5304
COMPENSATION
TEMPERATURE
HP11667B
1.5V
SPLITTER
ADL5304
OUTPUT INPUT R INPUT A
26
NETWORK ANALYZER
BSDC
INPUT
12
BIAS AND
28
1kΩ
BSDC
12
V
BIAS AND
REF
28
1kΩ
V
V
HP3577B
2VLT
NEG
13
REF
2V
17
V
I
2VLT
NEG
13
LOG
2V
17
I
VPOS
LOG
14
DATA ACQUISITION UNIT
29
1kΩ
VPOS
7.5kΩ
14
5kΩ
29
AGILENT 34970A
1kΩ
7.5kΩ
ACOM
5kΩ
15
27
ACOM
15
DCBI
27
5kΩ
HFCP
DCBI
16
5kΩ
HFCP
16
0.1µF
24
23
22
21
20
19
18
0.1µF
24
23
22
21
20
19
18
INPS
INMS
VLOG
SCL1
SCL2
SCL3
ACOM
INPS
INMS
VLOG
SCL1
SCL2
SCL3
ACOM
VSUM
VPOS
VNEG
1P5V
2VLT
ADL5304