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U .
I J ! V I D I V I T
A variable
(Y) may be divided
by a second variabfe
(X) by using
the rnultiplier
as the feedback element of a hig!-gain
arnplifier.
Figure 2.6-5 iflustrates
the patching together with siniplified
schenatic for division
with the quarter-square multiplier.
An important
point
to note with this
circuit
is that input X
must be positive
in polarity.
The following
restrictions
must be observed when using the
rnultiplier
for division.
i
1.
The absolute val-ue of the divisor
X nust aluays be greater
,
than or equal to the absolute value of the dividend Y; i.e.,
l v l / l x l < r .
I
r
l /
l r l l :
2,
The divisor
X must be positive.
3.
The divisor
X nust never equal zero.
The quarter-square
nultiplier
may af.so be used to generate vari-
ous other functions
such as X2 and etc.
The patching and associated
computer diagrams for various nultiplier
operations
are given in
Appendix 3.
- o z . -
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