Test Diagrams (Continued)
R/L or /R or /L
f = 240MHz
R/L or /R or /L
Capacitance
Meter
Capacitance
Meter
VCNTRL = fn (V
)
VCNTRL= fn (V
)
CC
CC
R/L or
/R or /L
f = 1MHz
R/L or /R or /L
Figure 12. Channel Off Capacitance
Figure 13. Channel On Capacitance
Audio Analyzer
RS
Network Analyzer
RS
V
IN
VS
GND
VIN
RT
VS
GND
GND
VCNTRL
GND
GND
VCNTRL
GND
GND
VOUT
GND
VOUT
RT
GND
VCNTROL = fn (VCC
)
GND
VCNTRL
= fn (
VCC
)
RT
GND
Off Isolation = 20 Log (VOUT / VIN
RS and RT are functions of the application
environment (see tables for specific values).
RS and RT are functions of the application
environment (see tables for specific values).
)
Figure 14. Total Harmonic Distortion
Figure 15. Channel Off Isolation
Network Analyzer
RS
NC
V
IN
VS
GND
GND
VCNTRL
GND
RT
GND
= fn (VCC
VCNTRL
)
VOUT
GND
RT
RS and RT are functions of the application
environment (see tables for specific values
GND
CROSSTALK = 20 Log (VOUT / V
)
IN
Figure 16. Non-Adjacent Channel-to-Channel Crosstalk
© 2008 Fairchild Semiconductor Corporation
FSA2147 Rev. 1.0.1
www.fairchildsemi.com
8
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