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T LO IF
2ND LO IF
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IST LIM
2ND L I M
3RD L I M
AMP
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AMP
Q 2
Q3
Q 4
Q
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QI
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AUDIO Al
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0 6
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3 . 5 8 LOAD AT SPEAKER)
JELCH WAVEFORMS
- *
UNMODULATED
INCREASE
SIGNAL
GENERATOR OUTPUT
FROM Z E R O UNTIL
V T V M READING DE-
CREASES BY
5 %
GENERATOR O L ~ ~ P U T
SHOULD BE APPROX
5
MICROVOLTS
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1
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R C -
1828
B
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I
I
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UNMODULATED
INCREASE SIGNAL
GENERATOR DUTPUT
FROM ZERO U N T I L
V T V M READING DE-
CREASES B Y
5 %
GENERATOR OUTPUT
SHOULD BE APPROX
0.3
MICROVOLTS
0 . 5 MS/DI'
5 0 MILLIVOLT
0. I V P - I
3 v o l t s a c r o s s 3.5-ohm
b t a i n e d , s e t t o a p p r o x .
SCOPE SETTING
c o u n t e r c l o c k w i s e .
y a l i g n e d .
en s y s t e m n e g a t i v e a n d
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MICROVOLT
u N M O D U L A T E D
-0.6 VDC
0 5 M S I D I V
I VDLT/DIV
2
V P - P
HORIZONTAL
V E R T I C A L
P E A K - T O - P E A K
V O L T A G E
NO S I G N A L INPUT
-
2 V D C
0 5 MS/DIV
1
V O L T I D I V
1 4 V P - P
STANDARD SIGNAL- I
~ ~ $ ~ ~ ~ ~ ~ D A ~ y R ~ ~ ~ F R w f
WITH 33KHZ DEVIIOKHZ W 01
0.8 VAC
0.5 M S I O I V
2
VOLTSIDIV
5.7 V P - P (NOISE)
0 5 M S I D I V
I V O L T I D I V
I V P - P (NOISE1
0 . 5
M Y D l V
0 . 5 VOLTSIDIV
3
V P - P I N O l S E l
STANDARD SIGNAL
0.75 vAc
STANDARD SIGNAL
0.55 vAc
STANDARD SIGNAL
0.15 VAC
STANDARD SIGNAL
2.3
vAc
STANDARD SIGNAL
0.05 VAC
STANDARD SIC
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