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r n e y f - i v ö Ä r u n c t i o n
G e n e r a t o r F G _ L 5 5 A
The 505 Log X FG contains
four
individual
1og function
generators
all
of which are terrninated
at the Pre-Patch
Panel.
Two of the
generators
accept
only
positive
voltage
input
and two accept
only
- a n o t i - ' ö
r ' ^ r * r n a
j - . ^ " + ^
m L ^
^ . ' + - r r +
^ r
* l . a
, * - ^ - . r t o r s
i s
t h e
s c a f e d
r r s 6 a u r v s
v v I U q S s
l r P u u D r
l 1 r 9
v 4 u } J 4 v
v r
u l l s
S E r r - l a l
t
.
. - -
, \
I o g a r l t h m t o t n e D a s e I
( a . e . :
) u t o g .
l Ä l , .
F i g u r e
2 . 7 - 3
i l l - u s t r a t e s
t h e p a t c h i n g
f o r
b o t h p o s i t l v e
a n C
negative
voltage
input
log X generators.
Additional
patching
and
t
1
F F G u s e s ( s u c h a s o b t a i n i n g
t h e a n t i l o g
o f a l o g i n J u t .
r n ; l t i p l i c a -
t i n n
Ä i r r i q i n n
c
'
or raising
an input to an unusual power) are given in
Appendix J.
c.
Trigonometric
tr\-rnction Generator FG-153A
Tho 606 Tz'ionngnslric FG eontains two individual
Trisonometrie
f'rrns-
L L L g
) v )
t f f E v r r v l r v
tion generators both of which are terrninated at the ?re-patch panel.
Each generator accepts a voltage of eather polarity.
Figure 2.7-/+
illustrates
simplified
schematic and patching block layout.
patch-
ing to generate sin X ald cos X are given in Figure 2.7-5 and 2.7-6
r c
e m n
f i . r a ' l
. t
v r v v ! J .
d.
Variable Fr-rnction Generator
FG-151
t r ' r e n t r c n t ' l r r
i n
g
n r O h l e m
-
t h e
f l o n o n Ä a n n o
n f
n n a
r r r r j
. l . r ' l a
^ r r r n * . i * *
r r v Y * e r r v r J
r r r
o
P r v u l c l r r t
u l l v
L l v y e r r q v r r v v
v !
v r ! s
V d " I ' l a o - L e
q u a n l l _ l y
(Y) on another
orr.antity
(x) is known only
in the forrn of experimental--
ly
obtained
data.
The variable
Function
Generator
(vrc)
provides
a
means, with
a single
component of approximating
and generating
func-
t i o n e
n f
t h i c
t r r r
-,.*-
-; rE .
-
o / -
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