NAD L54 Service Manual page 28

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BLOCK DIAGRAMS
V
DD
2
Vref
TIME CHART
Released Voltage
Detected Voltage
Supply Voltage
(V
)
DD
Minimum Operating Voltage
GND
Output Voltage
(OUT)
GND
DEFINITION OF OUTPUT DELAY TIME t
OUT
+
1
3
GND
+V
DET
–V
DET
PLH
+V
+ 2.0V
DET
Input Voltage
(V
)
DD
+V
+2.0V
DET
Output Voltage
+V
+ 2.0V
DET
2
Detector Threshold Hysteresis
t
PLH
0.7V
GND
GND
t
t
PHL
PLH
2-16

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