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34
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D C B A
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L:\STAR-single-pcb\Combo bd files\DSP-COMB.PRJ
L:\STAR-single-pcb\Combo bd files\DSP-COMB.PRJ
L:\STAR-single-pcb\Combo bd files\DSP-COMB.PRJ
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& C
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10T
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Nov
07,
4 x
BA
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22-1
2-07
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Y V
K3P
E &
C.S
.B
AS
ED
ON
OR
IGIN
AL
S (
C)
BY
G3X
JPT
ITLE
:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
b\C
ombo
bd
files
\IF_V
er-A
_She
et2_
Upd
ate-
1c.S
CH
For
Oct
200
7 "V
K3P
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CB
S"
A
She
et:
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G2
4
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310
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11S4
12G
413
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14
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25
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7
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8
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9
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510
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POR
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278
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CZ
810
0nF
10V
_IF
5V-M
IXE
R
LO
-IN
JEC
TIO
N
LF-PORT
SCREENING OF THIS WHOLE ASSEMBLY IS VERY DESIRABLE
L:\
STA
R-s
ingl
e-pc
b\C
ombo
bd
files
\IF_
Ver
-A_S
heet
2_U
pdat
e-1c
.SC
H
10-0
7-07
CO
NV
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LIKE N
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DRAWN BY VK3PE
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C2X
100n
F
FROM C1X (2nd LO)
TO SHEET 1
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16V
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PR
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CZ
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10uF
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FROM SHEET 1
BY
VK
3PE
& C
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22-1
2-07
min
or u
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0708
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or
up
dat
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(sh
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HE
SC
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S F
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34
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78
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65
43
21
D C B A
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SC
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MA
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S B
Y V
K3P
E &
C.S
.B
AS
ED
ON
OR
IGIN
AL
S (
C)
BY
G3X
JPT
ITLE
:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
b\C
ombo
bd
files
\PnM
_Ver
-a_B
UT
LER
_300
.SC
H
For
Oct
200
7 "V
K3P
E P
CB
S"
A
She
et:
4 15of
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1
GND 2
Out
3
IC30
178
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C32
422
pFC
326
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04
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3p3
12
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01
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H1
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3302
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C33
06
10nF
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4
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42MHz LPF (200R)
42MHz LPF (200R)
42MHz LPF (200R)
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K
B
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TR
301
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768
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301
10K
NT
C
B
C E
TR
303
2N38
66
R31
41K
R31
347
0RR
315
56R
R31
65R
6
C32
3
10nF
R31
710
0R
1
4 5
2
3
L33
03IN
D-T
OR
OID
C32
2
10nF
C32
0
10nF
R33
1118
0R
R31
256
R
C31
71n
FC
315
10nF
+C
3303
470u
F/16
v
C31
2
1nF
C31
3
1nF
C31
9
1nF
C31
8 100n
F
later addition FIT CLOSE TO 5V TO SOCKET
CO
-AX
RF-
OU
T
OSC
DD
S C
AR
RIE
R
RE
F O
SCIL
LA
TO
RB
UF
FE
R A
MP
4 tu
rns,
22S
WG
, on
6m
m f
orm
er14
mm
long
.
C2
E3
B1
TR
304
TIP
122
OSC
-IN
W-C
LK
25
DA
TA
10
FQ-U
D24
AG
ND
14D
DS-
GN
D15
CL
K-I
N27
AG
ND
28
DD
S-C
AR
RIE
R19
DG
ND
1 2 3 4 5 6 7 8 9 11 12 131617182021222326
DD
S1
DIP
W-C
LK
DD
S-O
UT
DD
S_O
UT
-2D
AT
A
FQ_U
D
BE CAREFUL, FUNNY PIN
OUT O
N M
PSH10's !
C30
X
1nF
OSC
-IN
AD
9951
DD
S C
AR
RIE
R P
CB
PL
UG
S IN
HE
RE
+7d
Bm
or
2N
5109
?
possible m
od to reduce this value
to improve Osc charactersistics
as low
as 330R
Ref m
sg 21604
possibly add 56R in series
with 10nF cap
if UHF oscillation present
Vin
1
GND 2
Out
3
IC30
4L
M78
055V
_2
R39
810
R
RE
G. F
OR
DD
S
+
C30
4A10
uF
R308ANF 56R
C30
8AN
F 10
nF
21
FBFB30
1
FB43
-101
54
6
VC
301A
5.5-
65pF
8V-B
UT
LER
DA
TA
FQ_UD
W-C
LK
Vin
1
GND 2
Out
3
IC30
1X78
L08
+
C30
710
uF /1
6v
+C
321
47uF
/16v
12
R30
118
R 0
.5w
axi
al
FRO
M D
ISP
LAY
PC
B P
IC
ALT TRIMMER
NC
BU
TLE
R O
SC
, DD
S C
AR
RIE
R A
ND
AM
P P
CB
R30
556
0R
D30
1L
D27
1
DIR
1V
cc2
GN
D3
TA
CH
4IC
305
HL
C27
05 (
RS
196
-993
)
TUNE
mat
ch d
iode
is a
SE
P85
06 (R
S 1
95-7
98)
1 2 3 4
J305
4-PI
N
TA
CK
DIR
+5V
_EN
CO
DE
R
GN
DOPTO CONN. FROM JP1 O
N D
ISPLAY PCB
OP
TO E
NC
OD
ER
SE
CTI
ON
BU
TLE
R/D
DS
CA
RR
IER
/AM
P S
EC
TIO
N
C36
710
nF
No
win
din
g h
ere
!
This
sch
emat
ic is
a r
e-dr
awn
vers
ion
of th
e G
3XJP
PnM
sch
emat
icw
ho o
wns
the
(C).
This
sch
emat
ic is
pro
vide
d fo
r co
mpl
eten
ess
only
fo
r th
e V
K3P
E &
C.S
. pcb
.
31-1
0-07
C2
IS O
N D
ISP
LA
Y P
CB
Upd
ate_
2 2
6-11
-07
TR
103
is T
IP12
2 no
t TIP
123
US
E 1
/2W
Res
isto
r m
inim
um. 1
or
2W is
bet
ter
for
com
bo p
anel
cha
nge
to p
refix
300
Vin
1
GND 2
Out
3
IC30
3L
M78
05+5
V_P
NM
C33
610
0nF
R31
9
10R
C31
0
100n
F
+
C35
0422
0uF/
16V
PIC
NM
IX 5
v so
urce
C33
0210
0nF
US
E 1
/2W
Res
isto
r m
inim
um. 1
or
2W is
bet
ter
+12V
12
L30
9
100u
H
C39
710
0nF
C39
610
0nF
+12V
THIS
IS T
HE
5V
SU
PP
LY
FO
R T
HE
Pn
M
THE
SE
AR
E T
HE
SC
HE
MA
TIC
S F
OR
CO
MB
O S
TAR
1234 J4
_PnM
4-PI
N 0
.1"
MA
LE
HE
AD
ER
14-0
1-09
DC
Inpu
t
12
34
56
78
ABCD
87
65
43
21
D C B A
SC
HE
MA
TIC
S B
Y V
K3P
E &
C.S
.
TIT
LE:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
b\C
ombo
bd
files
\DS
P_V
er-A
_190
807.
SC
H
"VK
3PE
"
She
et:
5 15of
1 2 3 4 5 6 7 8 910 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
3334353637383940414243444546474849505152535455565758596061626364
6566676869707172737475767778798081828384858687888990919293949596
979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128
IC27
AD
SP-2
181
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
27
A15
1
E20
G/V
PP22
DQ
111
DQ
212
DQ
313
DQ
415
DQ
516
DQ
617
DQ
718
DQ
819
28 GND 14
IC12
627
C51
2
Vin
1
GND 2
Out
3
U1
78L
05
C99
100n
F
C10
010
0nF
C10
110
0nF
C10
210
0nf
C10
310
0nF
C98
100n
F
+
0 2+1
C12
24u
7
C12
018
pF
C12
118
pF
R80
10K
R81
10K
R82
10K
R83
10K
R78
10K
R84
10K
12
X3
16.6
7MH
z
+5V
dsp
D0
D1
D2
D3
D4
D5
D6
D7
D0
D1
D2
D3
D4
D5
D6
D7
PF0
PF1 PF
2PF
3 PF4
PF5
PF6
PF7
PF0
PF1PF2PF3
PF4PF5
R79
10K
ADSP-2181
PF6PF7
IRQ
E
IRQE
IRQ2
IRQ
2IR
QL
O
IRQLOIRQL1
IRQ
L1
FL0
FL0FL1
FL1
FL2
FL2DTO
DT
OR
FSO
RFSODRO
DR
OSC
LK
O
SCLKO
RES
RE
S
DT
1/FO
DT1/FODR1/F1
DR
1/F1+7
V
C10
710
0nF
1 2
C2
100n
FA
DD
ED
TH
IS C
AP
L:\
STA
R-s
ingl
e-pc
b\C
ombo
bd
file
s\D
SP_V
er-A
_190
807.
SCH
DSP
BO
AR
D
2206
06 d
raw
n.
Vers 1.0 POWERED UP 17-07-06 !
MOTHER BOARD AND DSP ONLY
LED FLASHES !!!
DRAWS ABOUT 112mA
PRESS RESET, DRAWS ABOUT 33mA
2302
07 V
ER
2 U
PD
AT
ES
AF
TE
R P
RO
TO
BU
ILD
19-08-07 changed to dual 1206-0805 footprints
Copy by VK3PE, for Master, refer to original schematics on STAR Yahoo site.
DSP section for PICaSTAR
A
+5V
dsp
+5V
dsp
+5V
dsp
+5V
dsp
+5V
dsp
+5V
dsp
+5V
dsp
+5V
dsp
Vin
1
GND 2
Out
3
U1A
7805
(al
tern
ate)
16-1
1-08
ad
ded
alt
ern
ate
U1
dev
ice
(78
05)
1811
08
IC26
NO
W IC
126
pref
ix 1
00
code
cco
dec
THE
SE
AR
E T
HE
SC
HE
MA
TIC
S F
OR
CO
MB
O S
TAR
14-0
1-09
12
34
56
78
ABCD
87
65
43
21
D C B A
SC
HE
MA
TIC
S B
Y V
K3P
E &
C.S
.
TIT
LE:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
b\C
ombo
bd
files
\CO
DE
C_V
er-B
_040
208.
Sch
"VK
3PE
"
She
et:
6 15of
Avd
d25
Avs
s126
Vre
f27
NC
28
Afi
lt1
29
Afi
lt2
30
fIL
T_R
31
fIL
T_R
L32
RX
3D33
CX
3D34
LIN
E_O
UT
_L35
LIN
E_O
UT
_R36
NC 37
AVDD238
HP_OTUT_L 39
AVSS2 40
HP_OUT_R 41
NC 42
ADdd343
AVSS344
NC45
NC 46
JS0 47
JS1 48
DV
DD
11
XT
L-I
N2
XT
L-O
UT
3
DV
SS1
4
SDA
TA
-OU
T5
BIT
-VC
LK
6
DV
SS2
7
SDA
TA
-IN
8
DV
DD
29
SYN
C10
RE
SET
11
NC
12
NC13
AUX_L14
AUX_R15
NC16
NC17
NC18NC19
NC20
MIC121
MIC222
LINE_IN_L23
LINE_IN_R24
Ver
2 !
IC26
AD
1885
USE LQFP48_GP FOR PATTERN
PICaSTAR CODEC section
12
X4
24.5
76M
Hz
C91
22pF
C10
510
0nF
R10
0
4K7
R10
3
4K7
R10
1
4K7
R10
2
4K7
R10
447
KR
105
47K
R86
10K
R85
10K
C95
220n
F/63
V o
r100
V
C96
220n
F/63
V o
r 10
0V
C88
100n
F
C10
610
0nF
C92
270p
FC
9327
0pf
C94
47nF
C87
100n
F
+
C12
61u
F
+
C12
7
1uF
+C
129
1uF
+C
130
1uF
+C
128
10uF
+C
123
10uF
C90
22pF
C86
100n
F
+C
124
10uF
C85
100n
F
C89
100n
F
R87
10KR
8810
K
FIT
FE
RR
ITE
BE
AD
her
e !
1
23
GND714
IC20
A
74L
VX
125 4
56
IC20
B74
LV
X12
5
89
10
IC20
C74
LV
X12
5
1112
13
IC20
D74
LV
X12
5
+3V
3
+3V
3
GND2
OU
T3
IN1
IC24
3V3
Reg
LE
33C
Z
GND2
OU
T3
IN1
IC18
78L
05
+C
125
10uF
C10
410
0nF
+7V
5V-C
OD
EC
5V-C
OD
EC
FB1
FER
RIT
E B
EA
D
FB2
FB43
-101
gnd
rem
oved
for
low
er n
oise
gnd
rem
oved
for
low
er n
oise
gnd
rem
oved
for
low
er n
oise
PLEASE DOUBLE CHECK VOLTAGES TO CODEC BEFORE
FITTING THE CHIP !!
ALT
ER
NA
TE
RE
GU
LAT
OR
(use
inst
ead
of IC
24 if
not
ava
ilabl
e)
R10
1X22
0R
R10
2X33
0R
040807 changed C123 to axial type cap AND added alternate 3v3 reg
R10
3X27
R
+3V
3+7
V
SEE ALT
ERNATE REGULA
TOR
FIT
ONE O
NLY !!
ORIGINAL SCHEMATIC BY G3XJP
THIS VERSION BY VK3PE & C.S.
codec_ver_a_300807.pcb.PCB"
Sch
emat
ic b
y V
K3P
E b
ut p
leas
e al
so r
efer
to o
rigi
nal b
y G
3XJP
on
Yah
oo S
TA
R s
ite
Mic
inpu
t
Rx
15K
Hz
inpu
t
Rx
Left
AF
to IF
Rx
Rig
ht A
F o
r T
x 15
KH
z
290907 UPD
ATED TEXT ETC
Up
dat
e_1
3
1-10
-07
IC24
A P
INO
UT
IS W
RO
NG
ADJ 3
IN1
OU
T2
IC24
AL
M31
7L
04-0
2-08
V
ers
"B":
- fi
x LM
317
and
AD
1885
foot
prin
ts
DT
OR
FSO
DR
OSC
LK
O
RE
S
pref
ix m
ostly
<10
0
RX
LE
FT A
F
RX
RIG
HT
AF/
TX
RX
15K
HZ
MIC
-IN
-TO
-CO
DE
C
THE
SE
AR
E T
HE
SC
HE
MA
TIC
S F
OR
CO
MB
O S
TAR
20-0
1-09
c
hang
e 2
caps
to p
oly
at in
put
2001
09 T
HE
SE
TW
O C
AP
S N
OW
Pol
yest
er ty
pe
12
34
56
78
ABCD
87
65
43
21
D C B A
SC
HE
MA
TIC
S B
Y V
K3P
E &
C.S
.
TIT
LE:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
b\C
ombo
bd
files
\DS
P_M
-Bd_
Ver
-A_0
609
07_U
pdat
e_1.
sch
"VK
3PE
"
She
et:
7 15of
PIC
aST
AR
"M
OT
HE
R B
OA
RD
" se
ctio
n F
OR
DS
P
12
IC23
A
74H
C14
34
IC23
B
74H
C14
56
IC23
C
74H
C14
89
IC23
D
74H
C14
1011
IC23
E
74H
C14
GND 7
1213
14 IC23
F
74H
C14
D34
1N40
07
D35
LE
D
R99
100K
R92
2K2
R98
100K
R91
2K2
R90
3k3
(cha
nged
on
23rd
Nov
200
7)
C11
410
0nF
C11
310
0nF
+C
133
1uF
C10
810
0nF
+C
6922
0uF
+C
3033
uFR
3922
K
R40
22K
R44
3K3
C66
100n
F
C1+
1
C1-
3
C2+
4
C2-
5
Vs+
2
Vs-
6
VC
C16
GN
D15
T1I
N11
T1O
UT
14
T2I
N10
T2O
UT
7
R1O
UT
12R
1IN
13
R2O
UT
9R
2IN
8
IC21
MA
X23
2
+
C11
71u
F+
C11
61u
F +C
119
1uF
+
C11
8
1uF
+Vdd
14
OU
T-1
1
lsbD
B0
11
DB
110
OU
T-2
2
DB
29
DB
38
DB
47
DB
56
Rfb
16
DB
65
DB
74
CS
12
Vre
f15
WR
13G
ND
3
IC8
TL
C75
24C
D
DAC
GND2
OU
T3
IN1
IC19
78L
05+1
0V+7
V
C11
0010
0nF
NA
RR
OW
AG
C
TR
_ST
AT
+C
115
1uF
R9
1K
NC
IRQ
E
FL1
FL0
RX
LE
FT A
F
RX
15K
HZ
MIC
AF
RX
RIG
HT
AF/
TX
RE
SET
SW
ITC
H
INT
ER
RU
PT
SW
ITC
H
+C
131
4u7
To TIMER
to IF
from
IF
to IF
18-06-06
5V-D
SP-M
BD
T1-
O
T2-
OR
1-IN
R2-
IN
12
34
SW2
SW-D
PST
SW3
SW-D
PST
MA
RC
H 0
7 R
EM
OV
ED
WID
E A
GC
PA
RTS
D34
A
1N40
07
to o
pto
KE
YPT
TN
AR
RO
W A
GC
T/R
ST
AT
US
5VSPA
RE
-LE
D
RE
S
RE
S
GN
D
LED
-
T1-
OR
1-IN
TH
IS C
ON
NE
CT
OR
CO
NN
EC
TS
TO
NE
TS
SH
OW
N
8V
FO
R 1
206-
0805
23
-08-
07
R89
A
330R
150707 IC23F W
AS U
NUSED, IS
NOW EXTERNAL LE
D D
RIV
ER
150708 IC23F W
AS U
NUSED, NOW EXTERNAL LE
D D
RIV
ER
EXTERNAL LE
D CATHODE IS GND'D
LED O
N PCB
(LE
D o
n V
K3P
E's
PIC
nMIX
pcb
)
NO
T of
ficia
l mod
.
nam
es o
n lin
es a
re "N
ET"
nam
es.
like
nam
es c
onne
ct to
geth
er
FOR
PA
NE
L
SUITS V
K3PE
PnM
PCB
NOT U
SED
R89 not used.
R89
NO
T F
ITT
ED
{No effect on STAR functionality}
CAN FIT "C-CASE"OR RB TYPE
PICaSTAR D
SP by G
3XJP
Copy by V
K3PE
, if in doubt, refer to original schematics on STAR Yahoo site.
5V-D
SP-M
BD
5V-D
SP-M
BD
SERIA
L PORT
DC VOLTAGE INPU
T
alte
rnat
e D
SP
BO
AR
D P
LUG
S IN
HE
RE
CO
DE
C H
ER
E
13th
Nov
07
min
or te
xt u
pdat
es &
cor
rect
ions
.
"OU
T"
"IN"
NC
NC
GN
D
ALS
O "
P1"
ON
PC
B
20th
Nov
200
7 "U
PD
ATE
_1"
CLA
RIF
Y S
ER
IAL
PO
RT
& R
90 n
ow 3
k3 (
was
330
R)
1811
08c1
100
was
c10
0S
K8
NO
W S
K8A
DT
OR
FSO
DR
OSC
LK
OR
ES
DT
1/FO DR
1/F1
+7V
PF2
PF3
PF4
PF5
PF6
PF7
PF0
PF1
1 6 2 7 3 8 4 9 5
J1 DB
9-F
23 1
56 4
NC0
NC 7
SW1
SWIT
CH
DPD
T E
G A
LT
R. S
1360
DS
P M
'BD
DSP
-LD
R1-
IN
ST
ATU
S P
IC
PN
MT
O_T
X_D
SP
D34
B
1N40
07
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
AU
X1
SIP
HE
AD
ER
0.1
" X
16
if D
SP
chi
p is
NO
T fit
ted
!
FL0
IRQ
L1IR
QLO
IRQ
2 FL2
12
L19
9
100u
H C19
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D O
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RIG
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S (
C)
BY
G3X
JPT
ITLE
:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
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ombo
bd
files
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TO
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GND4
GND 5
Vcc 6
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BYPASS 8
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LM
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1606
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C.S
.
TIT
LE:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
b\C
ombo
bd
files
\TIM
ER
_Ver
-A_0
4090
7_12
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2937
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4642
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500
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12-0
1-09
pos
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reg
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34
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65
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C.S
.
TIT
LE:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
b\C
ombo
bd
files
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6090
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pdat
e-1_
2411
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pan
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1
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247
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5
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722
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504
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C51
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100n
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4
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Part
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for
win
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det
ails
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505
BC
517
11
22
3 3
TR
506
BC
517
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LATE
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DD
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14-08-06
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of T
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R M
AG
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TR
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22uF
16-0
8-06
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e m
ade
pcb
built
BC
517
top
view
:-
CBE
FOU
ND
12T
IS A
BO
UT
RIG
HT
about 12-15dB gain here?
Pos
t #38
17 H
AR
OLD
US
ED
BN
61-3
02 C
OR
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TO
GE
T R
ES
PO
NS
E U
P T
O 6
ME
TER
SS
TAR
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HO
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029
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SS
AG
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:-
Ver
s
L:\S
TA
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ingl
e-pc
b\C
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bd
files
\MA
TR
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OR
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C)
BY
G3X
JPT
ITLE
:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
b\C
ombo
bd
files
\BP
F_C
OM
BO
_091
208.
SC
H
For
Oct
200
7 "V
K3P
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CB
S"
CO
MB
O
She
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12 15of
316
4
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THE
SE
AR
E T
HE
SC
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MA
TIC
S F
OR
CO
MB
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1-09
12
34
56
78
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87
65
43
21
D C B A
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aST
AR
SC
HE
MA
TIC
S B
Y V
K3P
EB
AS
ED
ON
OR
IGIN
AL
S (
C)
BY
G3X
JPT
ITLE
:-
Ver
s
L:\S
TA
R-s
ingl
e-pc
b\C
ombo
bd
files
\BP
F_C
OM
BO
-SH
T2.
SC
H
For
Oct
200
7 "V
K3P
E P
CB
S"
CO
MB
O
She
et:
13 15of
316
4
2
000
L40
A24
.5uH
316
4
2
000
L40
B24
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316
4
2
000
L40
C24
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C40
A
21pF
C40
E
21pF
C40
B39
0pF
C40
D39
0pF
G1
1
S12
D1
3
G2
4
S25
D2
6
GND 7D
38
S39
G3
10
D4
11S4
12G
413
Vcc14
IC14
03
FST
3126
R14
0110
K
R14
0210
K
C14
0310
0nF
C14
0110
0nF
C14
0210
0nF
R14
05
10K
G1
1
S12
D1
3
G2
4
S25
D2
6
GND7
D3
8S3
9G
310
D4
11S4
12G
413
Vcc14
IC14
04
FST
3126
R14
0310
K
R14
0410
K
C14
0410
0nF
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0610
0nF
C14
0510
0nF
R14
06
10K
C42
C22
pF
316
4
2
000
L50
A16
.67u
H
316
4
2
000
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H
316
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HC
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C50
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15pF
C50
B39
0pF
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G1
1
S12
D1
3
G2
4
S25
D2
6
GND 7
D3
8S3
9G
310
D4
11S4
12G
413
Vcc14
IC15
03
FST
3126
R15
0110
K
R15
0210
K
C15
0310
0nF
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0nF
C15
0210
0nF
R15
05
10K
G1
1
S12
D1
3
G2
4
S25
D2
6
GND7
D3
8S3
9G
310
D4
11S4
12G
413
Vcc14
IC15
04
FST
3126
R15
0310
K
R15
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C15
0410
0nF
C15
0610
0nF
C15
0510
0nF
R15
06
10K
C52
C15
pF
316
4
2
000
L60
A7.
15uH
316
4
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000
L60
B7.
15uH
316
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C60
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3
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K3P
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D O
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RIG
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BY
G3X
JPT
ITLE
:-
Ver
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L:\S
TA
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e-pc
b\C
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abou
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com
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14-0
1-09
