Ramsey Electronics COM 3 - Page 33

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ENABLE
COURSE LOOP
DATA
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46 db Attn
CONTROL
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+124
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RFout
ENABLE
DATA
MC145156-P1
A
6899፻ L
MOD CNTL
4 MHZ XTRL OSC
MODULUS CONTROL
R104
1K [vec Vio ae El £2 8384 ES
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LK
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COURSE LOOP
+38ህ
2N3996
2.2uh f
BFR96
i R92 * VALUE FACTORY SELECTED OR
NOT USED ON ALL MODELS
፦፦ጩ | GND
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ឈា | +5ህ
15480
600 MHZ LPF
Les
018
MJE 888
128,R218,Y1 IN THERMAL CONTACT
PO Pl Pe P3 CTL
P4 PS P6 P7 ርፒ=
DIV BY 2
DIVIDE BY eso vea
NC
17 U6 15
45695 a 18 *5ህ
zero DETECT ኑ። NC145195-1
05208. OSC out
14BIT ^ ዘ
18 | CLK
| DATA
56 db ttn A CONTROL < ህ፳-5 ]—
28 db Attn B CONTROL < Ue- 10]
NOTES:
1) ៕ VALUE FACTORY SELECTED OR NOT USED ON ALL MODELS
2) ALL RES 1441 5% UNLESS OTHERWISE SPEC
3) ALL CAPS IN PF UNLESS SPEC OR MKD WITH POLARITY
4) ALL INDUCTORS IN UH UNLESS OTHERWISE SPEC
R79
REVISION RECORD
Y
non sens | FINE LOOP 075
D26 PIN 15V88
COURSE LOOP O^P
566-101? MHZ
0.1-999. 999 MHZ
C86 R98
12 270
R149 ll .81
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+1ፎህ : ក
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: $.1
R39
R38
R37
R36
R154
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AM MOD IN
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CARRIER dogs ais 0225 | cig 825
+ 10 =P 10 22 200
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BT 10 016. 5-7 MHZ
589 HZ STEPS
R46 O^P LEVEL zz 0363
2.2K SS =
241051 283994
ህ35-13 FM MOD IN
REVISE.
ELECTRONICS
LNG.
DRAWN BY
COURSE LOOP
OFFSET LOOP 4 MHZ CRYSTAL OSC
FINE
LOOP
AM
MODULATOR’LEVEL
CONTROL
TITLE
ROBERT YOST
APPROVED BY
|
COM-3
REV
G
MAIN
BOARD
FINAL UNATTENUATED OP
55 $7 MHZ LPF
DATE DRAWING NUMBER
92207
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