Page 76
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Figure 3: 1
st
IF, Schematic Diagram
APPV'L
OF
SHEET
CHK
CHK
-
+
-
+
-
+
-
+
1/2 DEG
1/64"
.005
.010
.XXX
.XX
TOLERANCES - EXCEPT AS NOTED
ANGULAR
FRACTIONAL
DECIMAL
SCALE
RELEASE
E. ENGR
M. ENGR
DR. CHK
DRAFT
MODEL
VERSION
NEXT ASSY:
BY
DATE
ECN
1 ST IF
1
1
50521002A
6-18-06
CTT
U11
E6
J6
Q4
L4
CR10
T1
C42
SCHEMATIC DIAGRAM,
HIGHEST REFERENCE DESIGNATIONS
REFERENCE DESIGNATIONS NOT USED
IF
IN
J1 E1
.01uF
C1
R1
470
CR1
.01uF
C2
R2
1.5K
1.5K
R3
CR1
.01uF
C3
R5
470
+5V
C4
.1uF
.01uF
C5
270
R6
R4
470
2,4
GALI 52
1
U1
3
R12
.01uF
470
C15
1.5K
R10
CR3
C10
.01uF
R9
470
.01uF
C11
270
R14
R11
1.5K
CR4
470
R13
.01uF
C12
C13
.1uF
+5V
GALI 52
1
U2
2,4
3
CP1
LRPS-2-1
.01uF
C9
4.7uHY
L1
150
R8
C8
.1uF
+12V
.01uF
C7
1W
HSMP-3814
HSMP-3814
.01uF
ADT-4-1WT
T1
C18
.01uF
.1uF
C16
C17
+12V
R16
150
1W
C20
.01uF
C19
.01uF
CR5
HSMS-2812
R17
270
1/4W
1K
R18
CW
HSMP-3814
1.5K
R25
CR7
CR6
R28
270
R24
1.5K
R27
470
.1uF
C25
C23
.01uF
+5V
C24
.01uF
180
R19
R21
150
8.2
R20
R22
8.2 .01uF
C22
R23
470
C26
.01uF
OUTPUT
J2
E2
R26
470
R36
47K
2
3
U3A
1
-
+
.15uF
C31
62
R7
C6
.01uF
R35
10K
10K
R34
+5V
U3B
6
7
-
+
5
+12V
.1uF
C30
8
R32
100K
2
U4A
1
-
+
3
+5V
10K
R42
R43
12K
4
R41
10K
10K
R33
U4B
7
4
8
-
+
6
5
+12V
C32
.1uF
R37
10K
15K
+5V
R38
R40
10K
STATUS
IF INPUT
J1 Pin 4
E3
10K
R39
R31
100K
C29
.01uF
L2
220
nHY
CR8
HSMS-2850
C27
47pF
27pF
C28
L3
910nHY
620
R30
C14
.01uF
2
U5A
1
-
+
3
R15
62
10K
R48
10K
R47
10K
R44
R45
10K
U5B
7
4
8
-
+
6
5
+12V
C33
.1uF
Q1
IRLML-2803
10K
U8A
3
+
2
-
1
L4
4.7uHY
L5
4.7uHY
U8B
6
5
7
+
-
+12V
8
4
SLOPE
CORRECTOR
R58
1K
1/4W
+12V
CW
CORRECTOR
THRESHOLD
R59
1K
R61
62
4.7uF
.01uF
C36
C38
+
1K
R63
25V
R49
6.2K
R60
62
+ C35
25V
.01uF
C37
4.7uF
R62
1K
CW
1K
3/4W
R51
POWER
ADJ
R50
10K
1
+
-
4
8
U6A
2
3
+12V
R52
10K
470K
R53
100uF
16V
C34
+
G
D
S
LM78L05
U7
2
3
6
NC
1
8
4
7
5
+12V
NC
47K
R54
G
S
D
Q2
IRLML-2803
10K
R55
+12V
S
D
G
IRLML-2803
Q3
R56
10K
10K
R56
E4
J1 Pin 5
OPERATE
CONTROL
(HIGH=OPERATE)
10K
R69
U9A
+
-
2
3
1
R70
20K
R66
10K
R65
10K
+12V
7
4
-
6
U9B
8
+
5
10K
R67
10K
R68
R64
CW
3/4W
ADJ
SAMPLE
10K
FORWARD
SAMPLE IN E5
J1 Pin 6
-12V
.1uF
C39
7
U6A
-
+
6
5
NC
SPARE
U11B
+
5
6
-
C41
4
.22uF
7
1M
R76
-12V
10K
R73
R77
20K
+
U11A
R74
47K
3
-
2
1
62
R29
.01uF
C27
+12V
8
C42
.1uF
R73
6.2K
+5V
10K
R75
U10
DG419
1
6
5
4
+12V
CR9
MMBD914
+5V
10K
R71
.1uF
C40
7
-12V
MMBD914
CR10
8
2
3
D
Q4
S
G
IRLML2803
10K
R72
OUTPUT
E6
J1 Pin 7
AGC CONTROL
LOW=AGC ON
HIGH=AGC OFF
R78
R46
HSD Series
TM
Transmitter
© 2006 EMCEE Communications
J1 Pin 8
J1 Pin 9
-5 to -25dBm
IF
-15dBm Typ.