{
1 i
1
!
99002Z/8900ZDB/79002
Fig. 2-3 UP/DOWN Pulse Generator Circuit
x Differentiation Circuit
fPH51
Output
O
Pulse
© \cta
vl >?
TH] (C1a~d=f1C51
It}H] \C2a~d=fIC52
rare
TC9140P
reel
-
FM—H
AM=L
®
IC2d
Lor
ehrt
IC2b
Ls
Fig. 2-4 Timing Chart of UP/DOWN Pulse Generation
