ADG901_05 Datasheet, PDF (9/16 Pages) Analog Devices – Wideband, 40 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, SPST Switches

ADG901/ADG902
TEST CIRCUITS
Similar setups for ADG902.
V_DD
0.1μF
V_DD
RF1
RF2
V_OUT
V_S
CTRL
R_L
50Ω
V_CTRL
V_OUT
GND
50%
90%
50%
10%
t _ON
t _OFF
Figure 16. Switching Timing: tON, tOFF
V_DD
0.1μF
V_DD
RF1
RF2
V_OUT
50%
50%
V_CTRL
V_S
CTRL
R_L
50Ω
V_OUT
10%
90% 90%
10%
GND
t _RISE
Figure 17. Switch Timing: tRISE, tFALL
V_DD
0.1μF
t _FALL
ADG901 ^VDD
RF1
RF2
CTRL
V_CTRL
50Ω
50Ω
GND
V_OUT
OFF ISOLATION = 20 LOG _VS
Figure 18. Off Isolation
V_DD
0.1μF
R_L ^VOUT
50Ω
50Ω
V_S
NETWORK
ANALYZER
ADG901 ^VDD
R_L ^VOUT
50Ω
RF1
CTRL
V_CTRL
50Ω
GND
RF2
50Ω
50Ω
V_S
NETWORK
ANALYZER
V_OUT
INSERTION LOSS = 20 LOG
V_S
Figure 19. Insertion Loss
V_DD
0.1μF
OSCILLOSCOPE
ADG901 ^VDD
RF1
NC
RF2
CTRL
VCTRL
50Ω
50Ω
GND
Figure 20. Video Feedthrough
V_DD
0.1μF
SPECTRUM
ANALYZER
ADG901 ^VDD
RF1
RF
SOURCE
COMBINER
RF2
CTRL
V_CTRL
50Ω
50Ω
GND
RF
SOURCE
Figure 21. IP3
V_DD
0.1μF
ADG901 ^VDD
SPECTRUM
ANALYZER
RF1
RF
RF2 ^SOURCE
V_S
50Ω
50Ω
CTRL
V_CTRL
GND
Figure 22. P–1 dB
Rev. B | Page 9 of 16