Datasheet

Data Sheet ADG918/ADG919
Rev. D | Page 11 of 16
TEST CIRCUITS
Setups for the ADG918 are similar.
t
ON
50%
50%
90%
10%
V
CTR
L
V
OUT
t
OFF
V
DD
V
DD
0.1µF
V
S
CTRL
RFx
RFC
GND
R
L
50Ω
V
OUT
03335-009
Figure 19. Switch Timing: t
ON
, t
OFF
V
CTRL
V
OUT
50%
50%
90% 90%
10%
10%
t
FALL
t
RISE
V
DD
V
DD
0.1µF
V
S
CTRL
RFx
RFC
GND
R
L
50Ω
V
OUT
03335-010
Figure 20. Switch
V
S
NETWORK
ANA
LYZER
V
CTRL
OFF ISOLATION = 20log
V
OUT
V
S
V
DD
0.1µF
V
DD
50Ω
V
OUT
R
L
50Ω
ADG919
RF2
RF1
CTRL
RFC
GND
50Ω
03335-011
Figure 21. Off Isolation
V
S
NETWORK
ANALYZER
V
CTRL
INSERTION LOSS = 20lo
g
V
OUT
V
S
V
DD
V
DD
0.1µF
50Ω
V
OUT
R
L
50Ω
ADG919
RF2
RF1
CTRL
RFC
GND
50Ω
03335-012
Figure 22. Insertion Loss
V
S
NETWORK
ANA
LYZER
V
CTRL
CROSSTALK = 20log
V
OUT
V
S
V
DD
0.1µF
V
DD
50Ω
V
OUT
R
L
50Ω
ADG919
RF2
RF1
CTRL
RFC
GND
50Ω
03335-013
Figure 23. Crosstalk
V
CTRL
V
DD
0.1µF
V
DD
ADG919
RF2
RF1
CTRL
RFC
GND
NC
NC
OSCILLOSCOPE
03335-014
Figure 24. Video Feedthrough