Modcl
-1i
75A
Section
lV
4.1.
|NTB00ucTt0N.
4-2.
The
Herr
lerr-pack:rrJ
IIodel
."
a.cur,rpa.r.
*
jJe.rarrqc,r",.,:..r.t1tA,
Gain-pha:e
l\,lerer
qnprirude
.,,J
pr,,.;'?l;;l;,li']j],.Yr",,
measures
rhe
i3
"i'i,,t'
;
;l;a*j'',,..#i"fi
1',
",'lH:
i,f,
:.
T'#
rumii
.r2ngg.
,r,g,,,i'i*i,5i
riir.(tour
ran8es).
80dB
rJv.
[:^,:X'"'i:',i':j,*j:,*rrJ:II,".i,T
j:';"i:l:;
ill;.n*
;nli'
J.,i
;:''X.l;l,,:,,,
.a
rronr
pa
ner
Dispray
ifi:
iT
j;,,i;
J:';,j1,:
:
ii:
l*
"
:[:
i
]
ll:t
:
#
":
i';i
[l'
*:
:"";
ll ;l *.::':r"
;,"
iix
ffii
il?'^'
ix
amptirude
,,
;i.
.";;"#;,],
j":1t,,.,
the
Iogarirhmic
lJ,l"',1;,.,',,'
:
Y
j
; ilfl't,
jl"ii'
iJ*l',f.
53y
;;il,3,i[j,y,::;]:11il
j::*"
:i:',:x;.1',il:x"f;!
or
rhe
rwo
,npur
sisr.rs
,;
;;
H:,Hl;j:,ffiliJ[::;
sECTt0N
tv
THEOBY
OF
OPEBATION
ill"*,i,,,1rr.r,",.
-
100.0
dB
ro
+
100.0
dB
with
0.1
dB
4-4.
ln
the
phase
Displev
nra,J^
phose
airferen.-e
u;'J.'#
,T".":;
tn"
J57sA
measures
rhe
uoces
trom
- ten n.^,^^ , . .
^p-ut
signals.
phase
d iffer-
o,",'.,g.
i .nn
"u".
T,1ff,j;
;
j
i'"!',".es
( L
I
2
desrees
l;r:
*:;
:i":
j:i jil:.
I#r;li:":;
T,t.I
#:
.i;
I
rn easu
rem
en
r
s .-r;;;'
;i.
J:
t.:
#
_r
h e
in
sr rum
en
r. pha
se
in
ampiirude
uy
,,
,r.r.l,
rri,i
jt^n
11"
'ien'l'
that
djlfer
ill
Til.'.:,f
i I
m"
: :#T:'-,ft
yrii:',1':f
ilX*L::
rures
ambiguous
.*o,rr,
,
"
j'is',j"iJ.ld
.:omprerery
ehmi-
4.5.
SIMPLIFIED
BI.OCK
DIAGHAM
DESCRIPTION.
,1:r$".Tii;i|jitrjined
Brock
Diasram
(Fisure
4.r)
ror
#tlh
jlil;,;y{.'i,,1,,i,ii!ftlrtrlTffi
;
rn
ourpu,
rrrer
anJ'l
;Jiii',ili;JTil,l:^ir"l
i;i:;
lalP=Lruba-r*'-l
I
I
UNCTION
rp-lsplaV.(p-li;]
a
A
I/A3
CHANNEL
PHASE
DETECTOR
A2/A4
CHANNEL
B
Figure
4-1.
Simplified
Block
Diagram.
1-1