eXact 240 - Type 240 Function Generator Circuit Diagram

220V
3
COMMON
SW1
F1 2 AMP
CONNECTION SHOWN
FOR 117V. OPERATION
D&D-E-8468 6-64 SC
13
12
11
4
DI
D4
D5
D16
DI thru DI!
IN3194
D13 thru Dl6
IN1217
CS A&II
R12
2x20 r-
390K
Cl
80
V4
6AU6
D17
ZENER
¥11,,MB
.;!. ,-9 1;,.._B
c
R27
25 0
R4
I .SM
Ql - 2N250A
V2
C6
. 01
R16
68K
4 5 5 4
5 4 4 5
V106
+
2so voe
VS
9 1284
V3A
!6080
R19
IOOK
+
1
5
C4 A
20
-210 VDC
+ 2so VDC
+ 100 VDC
C4
B
20
-210 VDC
+ 100 VDC
V3B
!6080
-210 VDC
ADJUST .
-210 VDC
C2
A&B
+J 2x20
. ,., ~;
POWER SUPPLY
Capacitors in µf unless marked
• Selected value
TYPE 240
FUNCTION GENERATOR
+ 100 VDC
R107
47K
MAIN
TIMING
ClOO
4.7
,, f
RIOS
15K
RIOI
475K
V105
6EA8
R109
4K
Rl02
IO OK
-210 VDC
R103
IOOK
SQUARE WAVE GENERATOR
R129
1oo n
+ 250 VDC
V102 ,,
6EA8
TRIANGLE INTEGRATOR
R139
15K
R140
112K
B.
SINE SHAPE
-210 VDC
+ 100 VDC
C105
1.01
SINE SHAPER
RISI
IK
R148
I.SM
+ 2so VDC
V101B
-!6EA8
2
1,--
SQUARE SYM
(XIO)
Rl
34
60M
R159
15K
R163
4.75K
R162
SOK
R160
22K
Rl06
15K
+ 100 VDC
SQUARE AMP. AD JU ST
11119
47K
Rl 12 ~-~
SOK
R114
162K
R115
15K
V101A
!6EA8
SQUARE DC LEVEL
R il l
I OOK
I I
:h
I I
,, ,... ___ _
I I jcYCLES / SEC.f
I I
R 11 6
---c 30K
SQUARE SYM ( XI )
C102
E
.1
O SW104
(\)
R120
10 0K
C1 02 A
7-45
.. ,
SW103 C
+ 100 voe
TR IA NG LE
DC L EVEL
11 1 22 >-- ...... ~- ...
SOK
U25
16$K
'
V103B
l6EA8
---~~---...,:-=-:.::-:.;-:.-::;;.;;:-;.;:-:.;-=-:.::-;.;:-::..;-:;:.;:;;-;.::-:.;-:.-::;;.;;:'"":.:-:.;-=-:.::i'>'i 1TRIANG LE I
-----------------~- . .
Rl56
523K
+
100 VDC
R155
I.SM
9
SINE DC LEVEL
V106
12BY7
VI03A
l6EA8
---~----~____;~--..--------------«> ) iMAIN OUTPUTI
-210 VDC
CIRCU IT
GROUND
l
I
CAI INfT (llNEi
GIIOUND