SOUTHERN AVIONICS COMPANY
Model SA100 Dual2-8 Theory of Operation, Radiobeacon
Figure 2-3. KWOYSN Schematic
CARR OUT 2
GND
CARR OUT 1
+12V+9V
RF OUT 2
RF OUT 1
+9V
+9V
+9V
+9V
+9V
+9V
+9V+9V
+9V
+9V
SENSITIVITY = 1 KHz
SENSITIVITY = 10 KHz
SENSITIVITY = 100 KHz
FREQ. RANGE
190 - 320 KHz
320 - 535 KHz
JP3
PHASE LOCK
SEE NOTE 6
JP3 FUNCTION
2 TO 3
2 TO 1
JP1 IN ADDS 500Hz
JP2 IN ADDS 1MHz - NOT USED FOR STANDARD BAND
NOTES
1. THIS DRAWING NO. SEP16300 REV. S.
2. TITLE: KWOSYN SA AND KILO PWB SCHEMATIC.
3. ASSEMBLY DWG. NO. SAP16300.
4. ALL RESISTORS 1/4W, 5%, UNLESS NOTED.
5. ALL CAPACITORS IN uF, UNLESS NOTED.
6. R16: 68OHMS - SS-KILO SERIES
120OHMS - SS-1000 SERIES
7. NOMINAL VALUE IF USED - MAYBE FACTORY SELECTED
SEE NOTE 7
SEE NOTE 7
C8
47pF
C8
47pF
C17
0.1
C17
0.1
1
2
3
4
5
6
7
8
U6
220K
U6
220K
JP2JP2
12
C10
6-50pF
C10
6-50pF
R15
22K
R15
22K
R12
2.2K
R12
2.2K
Q1
1T371100
Q1
1T371100
CIN
3
VCOUT
4
SIN
14
CX
6
CX
7
INH
5
R1
11
R2
12
PP
1
P1
2
P2
13
VCOIN
9
DEMO
10
ZEN
15
VDD
16
VSS
8
U2
1U404600
U2
1U404600
Q2
1T371100
Q2
1T371100
C16
0.1
C16
0.1
1 2
3
4
L1
48-126uH
L1
48-126uH
C1
1000pF
C1
1000pF
R13
100
R13
100
C9
*
C9
*
1 2
3
Y1
1Y409600
Y1
1Y409600
1
C1
4 2
C2
8
S3
9S902003
S3
9S902003
R10
22M
R10
22M
R1
39K
R1
39K
R5
150K
R5
150K
R7
22K
R7
22K
DS1
9L040012
DS1
9L040012
Q4
1T370200
Q4
1T370200
TP2
VCO IN
TP2
VCO IN
R6
3.9K
R6
3.9K
+
C12
33
+
C12
33
+
C13
1.0
+
C13
1.0
+
C11
1.0
+
C11
1.0
C4
200pF
C4
200pF
Q3
1T370200
Q3
1T370200
1
C1
4 2
C2
8
S4
9S902003
S4
9S902003
R2
4.7K
R2
4.7K
CR1
1D108000
CR1
1D108000
R4
1K
R4
1K
R18
4.7K*
R18
4.7K*
R9
10K
R9
10K
PI
11
RST
12
Q4
7
Q5
5
Q6
4
Q7
6
Q8
14
Q9
13
Q10
15
Q12
1
Q13
2
Q14
3
PO
9
PO
10
VDD
16
VSS
8
U1
1U406000
U1
1U406000
JP1JP1
+
C14
33
+
C14
33
R8
10
R8
10
C3
200pF
C3
200pF
R16
68
1/2 W
R16
68
1/2 W
1
2
3
4
5
6
7
8
U5
220K
U5
220K
TP0
GND
TP0
GND
TP1
RF OUT
TP1
RF OUT
D1
5
CLK1
3
Q1
1
Q1
2
VDD
14
S1
6
VSS
7
R1
4
S2
8
D2
9
CLK2
11
R2
10
Q2
13
Q2
12
U3
1U401300
U3
1U401300
R3
1.5K
R3
1.5K
R11
390
R11
390
CR3
1D960000
CR3
1D960000
C15
0.1
C15
0.1
1
2
3
JP3JP3
R14
680
R14
680
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
P1
GOLD FINGERS (22X)
P1
GOLD FINGERS (22X)
J1
3
J2
4
J3
5
J4
6
J5
22
J6
21
J7
20
J8
19
J9
18
J10
17
J11
16
J12
15
J13
10
J14
9
J15
8
J16
7
CLK
1
LEN
2
KA
14
KB
13
KC
11
NOUT
23
VDD
24
VSS
12
U4
1U405900
U4
1U405900
TP3
PLL REF
TP3
PLL REF
+
C2
1.0
+
C2
1.0
1
C1
4 2
C2
8
S2
9S902003
S2
9S902003
+
C6
0.1
+
C6
0.1
C5
500pF
C5
500pF
1 2
3
4
L2
147-360uH
L2
147-360uH
+
C7
1.0
+
C7
1.0
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