HP 5065A Operating And Service Manual page 260

Rubidium vapor frequency standard
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Model 5065A
Circuit Diagrams, Theory, and Maintenance
S-Y IO5O65-6084IN0TE I) SERIES 1904
: M B L Y
(05061-6013) SERIES 1840
1= «C 2
PRESET PULSES FROM
PRESET AMPLIFIER NO 3
0 5
M
S~LT
CRI7
CRI8
O
-RESET-
n
I.ZpS
—*4.2V*
| I C
"
f l
! 1 8 2 0 - 0 0 8 0
+
4.2V
+
4.2V
I MS
+
4.2V
R38
2000
+ 4.2V
o
It
1820-0086
ICI3
1820-0315
GATE AROUND
ONE-SHOT
QH
8 5 4 - 0 0 0 9
_ ^ C 3
T - 1 5 0
- V A -
R57
I0K
*4.2V
1.1/xS
Si
150 nS
u
1/4
1820-0094
1/4
1820-0094
O
R40
2000
l50nS
12
\ _ 8
ICI2B p -
1/2
1820-0086
l50nS
or
+
4.2V
R39
1000
R4I
2 0 0 0
1.3 pS
Si
r
PRESET
PULSES TO
J
-
*
OO/iS AND ImS
\\
SWITCHES
w
SIC AND D
QIO
8 5 4 - 0 0 1 8
=RESET
r
IER NO. 2
*4.2V
R56
1000
PRESET
PULSES TO
10 mS AND lOOmS
SWITCHES
SIE AND F
2 ) I C I 7 B \ > ^
IT©
1/2
1820-0080
GATE CONTROL
PULSE TO
DECADE GATES
R6I
1000
+4.2V
R58
1000
-wv-
012
1854-0018
PRESET
AMPLIFIER NO. 3
015
1854-0009
(I)
16
Figure 8-15. A5A3 Preset Clock Board (Option 0011
(Sheet 3 of 3)
8-37

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