User Manual
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A A
B B
C C
D D
APPROVALS
DATE
Approved:
Drawn:
Engineer:
GUARD TONE FILTER/DETECTOR
SPEAKER DRIVE
NOTCH FILTER
OPTION
DATA MODEM
OPTION
GND
+5V
+12V
-12V
INPUT AUDIO
ADJUST
MODEM LEVEL
ANALOG DEV. ADJ.
DATA
OFFSET
ADJUST
DIGITAL
DEVICE
ADJUST
-12V POWER
GND
+5V
+12V
-12V
+12V
DATA SYMM
ANALOG DELAY
TONE/AUD
PRE/AUD
TONE/DET
FIL/AUD
POST/AUD
FIL/CTR
(300HZ-20KHZ)
NOTCH/CTR
JP2,JP3,JP5 (PIN 1&2)
JP1,JP4 (PIN 2&3)
PRELIMINARY
U11
1._ No Notch Filter,No Guard Tone and No Delay Board
JP8 2&4
JP9 1&2
2._ Notch Filter, Guard Tone( Detecting Unnotched Audio) Delay Board
JP8 1&2, 3&4
JP7 1&2
3._ Notch Filter, Guard Tone( Detecting Notched Audio) Delay Board
JP8 1&2, 3&4
JP7 1&2
4._ No Notch Filter, Guard Tone Dectection Delay Board
JP7 1&2
JP8 1&2, 3&4
JP9 1&2
5._ Notch Filter; No Guard Tone Detection Delay Board
JP7 1&2
JP8 1&2 3&4
or DG201
R37** Not Installed
Band
Pass
Filter
6._For 2400 Baud Modem:
C16: .47 uF
C17: .001 uF
C18: .002uF
C20: .01 uF
DCS Board
189101-003
PCB, Control A
EAGLE WIRELESS
Houston, Texas
C
1 1Wednesday, July 22, 1998
Title
Size Document Number Rev
Date: Sheet of
CLK
CLK
RCVAUD
TX-MOD
RXD2
AUDSPK
AUDSW
SC0
SC1
AUDIOIN+
SYSSEL1 Notched Audio
SYSSEL2
DELAUD+ DELAUD+
DELAUD- AUDIN +
DELAUD-
AUDIN +
SC2
SC3
AUDIOIN-
XDATA
XDATA
ESEL1
AUDSPK
AUDSW
RCVAUD
TX-MODTX-MOD
AUDIOIN+
AUDIOIN- 4
SC0
SC1
SC2
SC3
RXD2
SYSSEL2
ESEL1
Un_Notched Audio
8
KEY
+12V
+5V
+5V
+12V+12V +5V
+12V
+5V
+12V
+5V
+12V
+12V
+5vVCC
+12V
+5V
+5V
12VDC12VDC
+12V
-12V
-12V
-12V
-12V
-5V
-5V
-5V
-12V
-5VDC
L1
RFC
1 2
L2
RFC
1 2
-
+
U1C
TL074
9
10
8
411
-
+
U1B
TL074
6
5
7
411
C2
.1uF
C3
.1uF
T1
A14
1 3
2 4
U2
DG441
S1
3
S2
14
S3
11
S4
6
IN1
1
IN2
16
IN3
9
IN4
8
D1
2
D2
15
D3
10
D4
7
GND
5
V+
13
V-
4
U3A
74HC14
12
JP1
1 3
2
JP2
1 3
2
JP3
1 3
2
JP4
1 3
2
JP5
1 3
2
R4
5K
JP6
1 2
TP1
1
TP2
1
R5
20K
C5
100pF
C6
.1uF
R8
10K
R9
10K
C7
.1uF
C8
.1uF
C9
100pF
TP3
1
R11
50K
R12
30K
R13
4.7K
TP4
1
R14
100K
TP5
1
U5
LMF90
W
1
R
2
LD
3
VIN1
12
VIN2
11
D
10
GND
13
VOUT
9
CLK
6
XLS
7
V+
14
V-
8
XTAL1
5
XTAL2
4
U6
XR2206
TMGC1
5
TMGC2
6
WFADJ1
13
WFADJ2
14
FSKIN
9
BYPASS
10
AMIN
1
SYNOUT
11
OUTPUT
2
MLTOUT
3
TMGR1
7
TMGR2
8
GND
12
VCC
4
SYMADJ1
15
SYMADJ2
16
R17
10K
C16
.01uF
R19
475K
R20
511K
C17
.0022uF
C18
.01uF
R22
100K
C19
.1uF
C20
.033uF
R23
13K
R24
30K
C21
.0047uF
TP6
1
U7
XR2206
TMGC1
5
TMGC2
6
WFADJ1
13
WFADJ2
14
FSKIN
9
BYPASS
10
AMIN
1
SYNOUT
11
OUTPUT
2
MLTOUT
3
TMGR1
7
TMGR2
8
GND
12
VCC
4
SYMADJ1
15
SYMADJ2
16
C22
560pF
R26
1K
R27
10K
C25
100pF
TP8
1
-
+
U1A
TL074
2
3
1
411
-
+
U8B
TL074
6
5
7
411
-
+
U8C
TL074
9
10
8
411
JP8
1 2
3 4
-
+
U8D
TL074
13
12
14
411
C26
100pF
R33
91K
R34
51K
R35
2.5M
R36
10K
U9
MF8
AIN
13
F1IN
16
F2IN
5
CLK
7
A
3
B
2
C
1
D
18
E
17
GND
4
AOUT
14
F1OUT
15
F2OUT
6
RC
9
50/100
10
V+
12
V-
11
U10 TDA7052
IN
2
GND1
3
VCC
1
OUT1
5
OUT2
8
GND
6
C27
.1uF
C28
.1uF
C29
.1uF
C30
.1uF
C31
.1uF
C32
.1uF
C33
.1uF
C34
.1uF
C35
.1uF
+
C36
100uF
+
C37
10uF
+
C38
10uF
+
C39
10uF
+
C40
10uF
U12
TC962
GND
3
C+
2
C-
4
VS+
8
VOUT
5
ZC
1
FX2
6
COSC
7
C42
.1uF
C43
.1uF
C44
.1uF
C45
.1uF
C46
.1uF
C47
.1uF
J2
DIN41612-32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
J1
DIN41612-64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
-
+
U1D
TL074
13
12
14
411
-
+
U8A
TL074
2
3
1
411
+
C23
1uF
+
C11
.47uF
+
C14
1uF
U4
XR567
IN
3
TIMR
6
TIMC
5
OUT
8
FLG
1
LOWF
2
VCC
4
GND
7
+
C4
1uF
C51
.1uF
C50
.1uF
R2
10K
D2
1N751A
C52
.1uF
+
C53
10uF
R18
20K
C56
.1uF
R41
10K
R40
10K
C55
.1uF
R39
1K
C15
.01uF(103)
R15
1K
C13
.001uF
+
C54
.1uF
C12
4.7uF
JP9
1 3
2
R38
560
R32
2K
R28
20K
RP30
100K
RP1
100K
RP6
50K
RP16
10K
RP7
100K
RP3
10K
RP3150K
RP10
100K
XR2211
IN
2
DET
3
VCC
1
TC1
14
TC2
13
TR
12
DOUT
11
ROUT
10
DAOUT
7
GND
4
COMP
8
LOCQ
5
LOCQ
6
R25
5.11K
R21
10K
JP10
1 3
2
R37
10k
R37**
100K
D1
1N914
C48
.1uF
C49
.1uF
RP29
100K
C24
.1uF
RDCS
10K
TP7
1
D
1N746
D
1N746