HP 5065A Operating And Service Manual page 172

Rubidium vapor frequency standard
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A5 DIGITAL
DIVIDER ASSEMBLY (O5065-6O25> (NOTE D
+20V
IMHz
A5A2 MASTER CLOCK BOARD
ASSEMBLY(0506i-60i4)
T
in
~2
4
XA2
II
I
8
10
9
6
7
12
4
3
vvvvvvvvvv
A5A3 SIA THRU SIF TIME DELAY SWITCHES
A
B
C
0
E
F
\ /
\ /
\ /
\ /
\ /
S/
A 5 A 4 SWITCH CIRCUIT BOARD
+ 4.2V
A5A3
PRESET CLOCK
BOARD ASSEMBLY
(05061-6013)
TERMINAL
O -
Sl
FAST
I
I
1
(I)
""4r4'\t'"\/
WHT-
RED-
YEL
WHT-
RED-
BLU
XA3
I
5
12
II
10
7
6
4
vvvvvvvv
ICI
1820-0315
VARIABLE DELAY
ONE-SHOT
T
to
PINS 6
IMHz DRIVE
IMHz GATED
IPPS TICK
CLOCK COMMON
4
6
8
, V V
V
4
( I !
9
V
II
+
4.2V
SYNC
B.O. INPUT
A5A5 INTERCONNECT
BOARD ASSEMBLY (05065-6026)
REFERENCE DESIGNATIONS
NO
PREFIX
J5
A5
S I - 3
A5AI
J I - 4
A5A3
SI
A5A4
CI.2
ICI
01
RI-3

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