Tektronix DC 504 Instruction Manual page 75

Your instrument may be equipped with one or more options . This section describes those options, or directs the
reader to where the option is documented .
Option 1 equips the DC 504 with a temperature compensated,
5 MHz crystal oscillator to obtain a highly stable and precise
Internal time base. This option Includes an IC which may be
connected as either a divide-by-five (5 MHz oscillator) or a dlvide-
by-ten (10 MHz oscillator).
+33 V a
5 MHz
VR10
I
Oscil-
+5 V o-~-~
15 V
o lator
C10
0.01
v
1 MHz output
REV. C JAN 1977
R10
880
5
OPTION 1
Y10
5 MHz jumper (factory installed)
__
12 ~ Optional 10 MHzjumper
-~ _I
+5 V
11
2 3 8 7 10 -O
Optional 10 MHz input
R72
51
Use shielded
cable
-
+5V
Optional
' Gnd
Gnd
10MHz input +33
5 MHz
jumper
10 M Hz
OPTIONS
Option 10MHz
1 MHz Gnd
jumper (remove
output
5 MHz jumper)
DC 504
I I
cable
1670-19
2
N