Motorola MICOM-3F Service Manual page 73

d2e_tenp._ccnt
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Hl.0K
OVEN_ TEl1P _CNTL
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OVEN_TEl1P_CNTL2- • • •
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tenp_sense
C3El27
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...
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IF_16.811hz
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C3007
0.1UF
\
- - C3fl26
,,.. -.... 0, 1UF
I
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~GND
----=--- GND
'-1--+----;, 7 -<C_EXT
~-~'0---<SlNE_OUT
9 DE
'--+--~'°CJFO_SQW
l--_.--l--~10c-!1 V_REG
~--l--~10;-l2 V_OPT
'--v'Vli'->-----1"'-13 VDD
U3Q01
PENDUL_ 16 ,8MHZ
GND ___2S__
GND __lL_
NC ....fL_
c;No 2s
L;i
I
c3ees
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a, 1UF
VDD
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so -=-'----
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L3El03
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ter1p_sense --+~
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ocxo_sw_A+
C3075
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R3875
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IN OUT>-=-l_._ _ _
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-~
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C3El28
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/0.81UF
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> 1BK
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- -
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FDBK SENSE
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C3!137 _J_ C3!112 _6 5V_TAP SHON .2:.L
0.1ur I e.e1u r I R3e7s
> J!
_ERROR GND 1900 C3£131
10.0K":;.. ~~U3~B~tl-<~-" 3UF e.01UF
could be connected tc oven regulated 8V
see in the future if 9V DIA will be used
'>
__[_ - -
- - -
U3fil1ID
1Ei AD7213BR
VDD
1
REF IN
11 SDO
'-l--+-----------------+-------------------------------------+--ie 6 SDI
~--------------+----------------------------------t- 5 ~ 7
SCLK
~----------------+----------------------------------+--'-<SYNC_
1
REFOUT13
.
v
VDD
3 9
CLR_
r--;0
LDAC_
~OGEN
.....i
BIN_ I COMP
ROFS
rr--
VOUT I-'-'-----<
DGND AGND VSS
8 12 15
---=-
ter1p_sense
Prsq_oont
C3015 _
_l_
··""' I
I
cur_sense
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~
-
R381B
3.3"
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51
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568
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9
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3
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- -
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C3013
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HYBRIIL11P
1
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11
REG_sw_A+ ocxo_sw_A+
V_l(EF_OUT
V_l<EF _OUT D2A_FREQ
c 1 ~-~
heeL.ccnl
TEMP-8ENS
IEAT _CONT
e 5 ~--I--
OCXO_RF _OUT
CUILSENS
GND GND
C3010
68pF
Q3!100
39Gl"IL
R3!125 '>
1.EI ,>
>
cur_sense
heet_con
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1<302"1
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_....._
- -
L3©©7
I.SUH
- -
C3G12
18UPF
1<3058
"
R385-"1
560
vcc
VDD
1<3000
6.BK
<Ef---~V\/'r----4--L>AMB_ TEMP
L3086
,,,,,
C303'1
©. 1UF
Q,"
~~
'8051
3.3k
~--" R3056
L3©EJ5
18uh C3833
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L3008
1.SUH
LORD BOARD
Model FTN6067 A
Schematic Diagram - RF Section
OCXO Control Section
1<:3052
3.3lr:
56!
~-A,j\J\r- ..... -ol----1 f-----~r'--r-rv...,_,
_____
-[>sINE_16.8Mhz
C3036
Q, 1UF
R3!153
"
C3035
D.1UF
.----+"
cai-13
T
1
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Sheet 9of14
7-11