Spectra Engineering MX800 - Circuit Diagram: MX800 RX VCO CIRCUIT DIAGRAM; RX VCO Circuit Diagram Details (continued)

1 2 3 4 5 6 7 8
A B C D
8
7654321
D
C B A
9 TRADE ROAD
MALAGA 6062
WESTERN AUSTRALIA
PHONE +618-92482755
ETH
C10
100n
+5
ETH ETH
C5 1n
C6 100n
+12
ETH ETH ETH
C8 100n
C7 1n
C1 47u
C9 3n9
ETH
R3 1K5 R1 8K2
R2 3K9
L2 RFC
L3 100uH
ETHETHETH
C2 47u
C4 100u
C3 100u
L1 PE-53819
ETH ETH ETH
D1 MBRS340
12
5
4
3
IC1 LM2595S
ETHETH
X1 1MHz
ETH ETH ETH ETH
C27
220p
C28
220p
R47
1M
C23
47n
C22
47n
C25
47n
C24
47n
ETH
C26
10u
ETH
C36
3n9
C34
1n
R53
15K
C35
10U
R55
15K
R54
8K2
ETH
R52
56R
R51
68R
C33
68n
R50
15K
C31
68n
ETH
C32
3n9
C30
10u
R49
15K
C29
1n
R48
8K2
ETH
C21
100n
+5
XIN
2
OP2OUT
15
F1OUT
22
F1IN
23
OP1IN
20
IDSW
7
DATA
6
SCK
5
REQ
4
XOUT
3
VCC
24
OP1OUT
21
OP2IN
16
CC2
17
REF
19
CC1
18
VDD
1
DGND
11
AGND
12
F2OUT
13
F2IN
14
TEST2
10
TEST1
9
IDFLAG
8
IC4 M65830
R19
180K
R17
270K
R20
1M2
C14
10n
C13
10n
R24
1M2
R21
220K
R18
82K
R15
39K
R14
56K
R12
10K
R22
180K
R23
1M2
ETH ETH
+5
ETH
ETHETH
R35
220K
R32
100K
R27
10K
R28
33K
R29
220K
R25
220K
ETHETH
R33
68K
R34
100K
C17
10n
C18
10n
R30
1M5
R26
820K
R31
1M8
ETHETH
R45
5M6
R44
1M8
R36
10K
R37
12K
R38
1M2
R40
270K
R43
1M2
R46
3M3
C16
10n
C15
10n
R42
3M3
R39
390K
R41
330K
+5
ETH
ETHETH
R13
47K
R16
47K
R10
47K
C11
56p
C19
100n
R11
47K
C20
100n
C12
100n
ETH
3 2
1
84
IC3A
LM2904
5 6
7
IC3B
LM2904
3 2
1
84
IC2A
LM2904
5 6
7
IC2B
LM2904
3
2
1
JMP3
3
2
1
JMP4
R57
4K7
R56
4K7
C37
10u
+5
+5
+12
TR1 FZT751 TR2 FZT751
TR3 BC847 TR4 BC847
JMP1 JMP2
R4 10K R6 10K
R5 1K8 R7 1K8
D2 MBRS340 D3 MBRS340
+5 +5
ETH ETH
R8 33K R9 33K
C38
2200uF
ETH
OUTIN
VF DIGITAL DELAY300Hz ELLIPITIC HPF
MX800 CONTROLLER
1 OF 1
29/6/99
7/6/99
BCS022-1A
DATE REVISION TITLE
DRAWING No SHEET REV
REF
PCB
BY DATE
DESIGNED
DRAWN
CHECKED
APPROVED
APP
SPECTRA
ENGINEERING
(C) Copyright
GJ
OPTION BOARD
SKK-2
SKK-1
ON OFF
ON OFF
GJ
SKK-8
SKK-5
SKK-7
SKK-9
SKK-14
SKK-12
SKK-11
SKK-13
SKK-10
SKK-3
SKK-4
SKK-6
SKK-15
SKK-16
RX NORM
EX NORM
POWER SAVE