Oscilloscope; To 440-Mhz Loop - Motorola R-20010 Maintenance Manual

RF SYNTHESIZER MODULE
310 TO 440-MHz LOOP BOARD (A9A2)
(RTC-4040A)
Figure 11-7. Schematic
11-14
NOTES
1 UNlESS OTHERWISE SPECIFIED
Al l RESISTORS ARE IN OHMS.
All CAPACITORS ARE IN UF;
All COilS ARE IN UH.
All VOlTAGES ARE OC
2 WAVEFORMS ARE MEASURED USING AN OSCillOSCOPE WITH A 3 dB
BANDWIDTH OF 100 MHZ AND A PROBE WHICH PRESENTS A LOAD OF
10 5 Pf IN PARAllEL WITH 10 MEGOHMS
3 POWER lEVElS ARE MEASURED WITH AN HP 436A POWER METER
!C'S
REF CJEVICE NO
Vee
Vpp
VEE
0£.5 TYPE CON!V£CTIOIV
Ul MC/ 45156 6,
16,11,18
5
U2 L F 356 1, 5,8 ~ 4
U3
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6, 8, 9
-
-
7
U4 .5P8716 7 2,8
-
4
U5
MC78a~ACT
-
-
- -
U6 CA3140£ I, 5,8
7
-
4
U 7
MCI40fl8CP
I, 5.11.15
-
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7
U8
CA3140E
1,5,8
7
-
4
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7
-
-
-
-
-
8
-
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I
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16 ~
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= ....... .
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13
\
11
1
8V 310-4 40 t?ATA)
9
I
8V LAT CH)
12
Cl I
23 .01
!MHZ
REF 310-440 ~
TWO
MODULUS
DIVIDER
+ 40/ 41
C/?6
IIV~711
L_ _ _ _ .
U~US£0 Gil TES
+lev~
1?EF£R£NC£ t?£516/VATOR~
HI61-1£5T
NO USED
C4t.,
CR7
L7
Q4
Ria -
TPI
UB
VR4
(;1
IVOT IJ5EP
1 - - - - -
--
WARNING:
STATIC-SENSITIVE PARTS
HANDLE APPROPRIATELY
r;;
R28
g O 270 - B V
~
- 12V
l
>mA
if•
~3~
1N7.m
9
50V
~d
SYNTH SWEEP>'- - - - - - - - - - - - - - - - -
SYNTH FM
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