adg918 Analog Devices, Inc., adg918 Datasheet - Page 10

• Manufacturer Part Number: adg918
• Description: Wideband, 43db Isolation 1ghz, Cmos 1.65 V To 2.75v, 2 1 Mux/spdt Switches
• Manufacturer: Analog Devices, Inc.

ADG918/ADG919
TEST CIRCUITS
V
V
V
S
S
CTRL
CTRL
RFC
CTRL
CTRL
0.1µF
0.1µF
0.1µF
RFC
RFC
GND
V
V
DD
DD
GND
GND
V
V
V
V
DD
DD
DD
DD
Figure 19. Switch Timing: t
Figure 18. Switch Timing: t
ADG919
RFx
RFx
OFF ISOLATION = 20log
Figure 20. Off Isolation
*
R
50Ω
V
50Ω
R
L
OUT
L
RF1
RF2
V
V
OUT
V
CTRL
OUT
V
V
CTRL
OUT
10%
50Ω
RISE
V
ON
t
RISE
OUT
50%
V
, t
t
S
t
OFF
FALL
ON
50%
90%
90%
50Ω
50Ω
R
NETWORK
ANALYZER
L
90%
t
FALL
V
OUT
t
OFF
50%
V
50%
S
10%
10%
Rev. A | Page 10 of 16
V
V
50Ω
CTRL
CTRL
OSCILLOSCOPE
CTRL
CTRL
RFC
RFC
0.1µF
0.1µF
GND
GND
V
V
V
V
DD
DD
DD
DD
V
ADG919
ADG919
Figure 23. Video Feedthrough
CROSSTALK = 20log
CTRL
Figure 21. Insertion Loss
INSERTION LOSS = 20log
Figure 22. Crosstalk
CTRL
RFC
RF1
RF2
RF1
RF2
0.1 µ F
GND
V
V
V
OUT
V
50Ω
DD
DD
S
ADG919
V
OUT
V
S
50Ω
50Ω
R
NETWORK
ANALYZER
L
50Ω
ANALYZER
50Ω
NETWORK
R
L
RF1
RF2
V
OUT
V
V
OUT
S
V
S
NC
NC