Motorola R-2001A - Page 195

J17
....
EX T 10 M Hz IN
10.0 MHz
TC XO
(
OR )
ovxo
j
U2, 01
t
V OL T
E1 3
\._
O VEN SU PPL Y
a
REG UL ATO R
--
AN D
OV EN IND .
DRIVER
-
'
Ul , 2
~ 1
INT I EXT
SW ITCH
OVER
~E
DRIVER
SY NTH 10 .0 MH z ,
7
Jl
EXT 10 MHz OUT ,
7
J18
LEO ANODE ,
7
El l
LEO CATHODE ,
7
E12
852 1-21
Figure 19-1 . Frequency Standard Module A13
Block Diagram