adg936 Analog Devices, Inc., adg936 Datasheet - Page 9

• Manufacturer Part Number: adg936
• Description: Wideband 4 Ghz, 36 Db Isolation At 1 Ghz, Cmos 1.65 V To 2.75 V, Dual Spdt
• Manufacturer: Analog Devices, Inc.

TEST CIRCUITS
Similar setup for the ADG936. Additional pins omitted for clarity.
V
V
V
S
S
INx
RFC
INx
10μF
INx
INx
10μF
10μF
RFCx
V
V
RFCx
DD
DD
GND
GND
V
V
GND
ADG936-R
V
V
DD
DD
DD
DD
Figure 20. Switch Timing: t
Figure 19. Switch Timing: t
RFx
RFx
OFF ISOLATION = 20log
Figure 21. Off Isolation
V
R
50Ω
OUT
R
50Ω
L
L
RF1x
RF2x
V
V
OUT
V
OUT
INx
V
V
OUT
50Ω
INx
10%
V
t
RISE
V
RISE
OUT
t
ON
50%
ON
S
50%
, t
, t
OFF
FALL
90%
90%
50Ω
R
50Ω
NETWORK
ANALYZER
L
90%
V
t
OUT
OFF
t
50%
FALL
V
50%
S
10%
10%
Rev. A | Page 9 of 16
V
OSCILLOSCOPE
INx
50Ω
V
RFCx
INx
RFCx
INx
INx
10μF
10μF
V
V
DD
V
DD
V
GND
DD
DD
GND
ADG936-R
ADG936-R
V
Figure 24. Video Feedthrough
INx
CROSSTALK = 20log
INSERTION LOSS = 20log
Figure 22. Insertion Loss
Figure 23. Crosstalk
RFCx
INx
10μF
RF1x
RF2x
RF1x
RF2x
ADG936/ADG936-R
GND
V
V
DD
DD
V
50Ω
OUT
V
ADG936-R
S
V
OUT
V
S
50Ω
50Ω
R
50Ω
ANALYZER
R
50Ω
NETWORK
NETWORK
ANALYZER
L
L
RF1x
RF2x
V
V
OUT
OUT
V
V
S
S
NC
NC