Tektronix 2235 - Page 148

C H 1 0 R Χ
[ Η 2 O R Υ
R 721
S E C/0 I V
VA R
R 112
CH 1

CH 1 [POSITION
R 43
AC-G N O-0[ Ι

S1 θ

Ι

CA L

Ι

C H 1 TR IG +
Ι

Ι

Ι

C H 1 -

C H 1 PRE MP

C H 1 T R
IG -
g Ιθ2, Q1 θ 3
_

Ι

Ι

Ι

C H 1 +
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g114
ι
Q115
CH
1
HIGH - Σ

C H 1

CN 1

CH 1

ι

U13 θ
Ι
Α

Ν U ΑΤ 0 R

Β U F 0 Ε R
Q3
Ρ
L
7

ΡΑ

VERTICAL
Α
5
Ε
Q101

ΑΤ Ν U ΑΤΟ R

'

AND O U 7 F
ΑΜΡ L

Τ

Ι
AND ND INPUT

-
CO UPL I NG

Q15, q 18

R 19

U3 θ
C H 2 HIGH-7

C H 2
ATT
ENU ATO R

BUFFER
ΑΜΡ IF
AND I NPU T

06
θ , Q63
CO UPL I N
G

ρ
65,Q68
C H 1 AND
C
H
2
Ι Ι

ΑΤΤΕΝ
U ΑΤΟ RS
Ι Ι
AC-G N O-OC Ι

CH 2
551

- -

V O L TS/OI V

-
--Ι
R 93 -- - υΙ
Β
SIG
Α T R IGG ER
ALT SY NC
Θ SIG
R 9644
S6θ
Θ DEL AY

J

D EL AY ΤΙΜΕ
TIMEPOSITION ΊΊ -~
ΙΡΠ 5 ΙΤΙΟΝ CΠ MPA R ATO R
U 655
ΒΟΤΗ
C HA NNEL
VER Ι CA L

SW 1
ΤO M
[ Η 2

C H 2

ΜΟ D Ε

CH 2

L OGIC
C H A NNEL DEL . L Ο 4- Σ

PA R A PH AS
E
S545

ADD

U
537A
ΑΤΤ ΕΝ 9 ΑΤΟ R
A MPL

ρLΤ

C H OP

SWITC H
ρΙ 1
R 69

U
80

U 54 0 Α

OSCI LL OATO R
Ι
C R2 00 , C R2 θ 1

ρ 2 θ :
A ND C HO P

CR202,
CR
2 θ 3

Q2ΘΕ
C HO P

BLA NK I N G

Q440 ι Q441

L
U 540 B , υ
5379
U 537C , U 5370
J θ
TR IGG
ER LEVEL CO MPA R ATO R SCH M ITT T R IGG
ER
S L O PE

U 6 Θ 5 Α , θ , [, D, Ε , F

U
625 A , Β , C, D
S6θ2

g6 Ιθ ,
1162 θ

g63 0 , Q631
LEVEL
R6 θ 2
C H 2 T
R IG
+
555 θ

ΓC Η 1

[Η 2 T R IG -
C H 2 -

C H 2 PRE A MP
g152, ρΙ53
g164, ρ 165
υιθθ
B TIMING S
W Ι TC H
AND
R
C
A LT ERN AT E
DISPLAY SWITCHING F--
U 66ΘΕ , U 68 ΘΑ , θθ
U 67ΘΒ ,
U 665C
RUN A FT ER DIY
Q637, U 66ΘΑ , D
8 SW EEP L OGIC

θ M I LLER 5 ΥΕΕΡ
U
66
θθ
, F, U 67ΘΑ , U 680C , 0

~ ρ 7 θ 9 , 771 ΘΑ , θ
g712
B END OF SWEEP
CO MPA R ATO R
Q643
TR IG V I EW
52 θθ
C HO P BLA NK
ΧΥ
CH 1 S ELE CT ED
SEP
L OGIC
U 665 B , D
Q68 θ
ς/ \,

g685
θ TI M I NG
AND

\5/
ALT ERN AT E θ SW EEP
Α TR IC
F igu r e 9- 5 . D