
MC14106B
t1+t2
R
t1
t2
C
VT)
* t1 [ RC ln VT–
*
t2
[
RC ln
VDD –
VDD –
VT–
VT)
ƪǒ Ǔǒ Ǔƫ 1
f
[
RC ln
VDD – VT–
VDD – VT)
VT )
VT –
*t1 + t2 & tPHL + tPLH
Figure 5. Astable Multivibrator
Vin
R
A
Vout
C
VDD
Vin VT+
VSS
VDD
VT+
A
VSS
VDD
Vout VT+
VSS
Useful in discriminating against short pulse durations.
Figure 6. Integrator
C
Vin
R
Vin
+EDGE
−EDGE
−EDGE
+EDGE
VDD
tw
VDD
tw = RC ln VT+
Useful as an edge detector circuit.
Figure 7. Differentiator
C
Vin
R
C
R
C
R
Figure 8. Positive Edge Time Delay Circuit
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