Always be advancea intptrisifrof,'r". (2) always be retarded in phase from 1". (3) be advanced in...

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Always be advancea intptrisifrof,'r". (2) always be retarded in phase from 1". (3) be advanced in phase at low frequencies and retarded at high frequencies. (a) be advanced in phase at high fteluencies and retarded at low frequencies Referring to Fig. 89, the amount of phase shift between /. and /a will (l) be the same at all frequencies. (Hint: App Ex 9 #l) (2) be,minimum at low frequencies and highest at high frequencies. (3) be minimum at high frequencies and maximum at low frequencieg, (a) be maximum at low and high frequencies and minimum at intg.r-' mediate frequencies 4 . In Fig. 89 minimum phase shift betv.veen ,I"and /r occuri when (l) the signal/. is weak. (2) the signal /" is strong. , (3) the reactance of C is at its lowest. (4) the reactance of C is at its highest. (5) the magnitude of ^fa is much less than the magnitude of
	
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R2
750 kn
R3
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I. ond Ip ore o-c signol Bose-fo-emitter signol input
(nof
volues d-c volues). resistonce IOOO J1-.
of Q2 is 
Fig. 89
-.' 
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(l) always advancea 
be intptrisifrof,'r".
(2) always phase 
be retarded in from 1".
(3) 
be advanced in phase low frequencies 
at and retarded at high
frequencies.
(a) be advanced in phase 
at high fteluencies and retarded at low
frequencies
\
Referring 
to Fig. 89, the phase 
amount of shift between /. and /a will
(l) 
be the same at (Hint: 
all frequencies. App Ex 9 #l)
(2) 
,. be,minimum 
T"m'rro ' at low frequencies and highest at high frequencies.
(3) 
be minimum 
at high frequencies and maximum 
at low frequencieg,
q.I".t 
1dq4
(a) be 
maximum at low and high frequencies 
and minimum at intg.r-'
mediate frequencies
4.
6. In Fig. 89 minimum phase 
shift betv.veen ,I" and /r occuri when
(l) 
the signal/. is weak.
(2) 
the signal /" is strong. 
,
(3) 
the reactance at lowest.
of C is its 
(4) 
the reactance 
of C is at its highest.
(5) 
the magnitude ^fa is much 
of less than the magnitude of 1..
1
If in Fig XXXXXXXXXXis phase 
shifted in by 45e from.Ia, what is the approxi-
mate reactance of capacitator C| (Study the 
circuit to see what values
are not needed for an approximate answer. 
Also, see App. Ex. 1, #3.)
-7000 
 XXXXXXXXXX4s,000o
-1000c, 
-70,0000
(2) (4) 
8. Transistor 
in Fig. 90 has a constant-current signal output /" of
Qr 
l0 mA. You may assume the input impedances to the FET's to be
to
i1n' 
infinite. With respect to the phase relationship between signal volt-I
I
64
I
I
I
t
t
I
Fig. 90
(Hiryt;lgnore 
Ct. Construct 2 phasor 
ages Vadld V'7, diagrams,
I
-one 
with CrRr, the other with C3R2. Compare
V'a 
nleads 
Q) 
(2) Vector V*, with V"r.)
UalagsV'a 
t
What 
9. is the approximate value of phase 
the angle between Va and V,a
in Fig. 90? Consider the 
collector voltage of to be the reference
Qr 
,1,ra\W voltage. Draw a phasor 
diagram for both Va and V';.
I
(l) 
0" (3) 60' (5) 
90' I
(2)...

David · Accepted Answer

Solution:
5 3 
6 3 
7 2 
8 1 
9 5 
10 1 
11 6 
12 8 
13 3 
14 3 
15 3 
16 5 
17 2 
18 4 
19 1 
20 2 
21 3

Always be advancea intptrisifrof,'r". (2) always be retarded in phase from 1". (3) be advanced in phase at low frequencies and retarded at high frequencies. (a) be advanced in phase at high...

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