Spectra Engineering MX800 - Circuit Diagram: MX800 PA CIRCUIT DIAGRAM; PA 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
FAX (618) 92482756
ETH
ETH ETH ETH ETH
C87
27p
C86
68p
C84
68p
C85
68p
ETH
C83
27p
ETH
C36
270p
ETH
C34
47p
L16
5T
L10
3T
C3 39p
ETH
L12
220n
R30
1K5
R31
1K5
C68
1n
ETH
ETH
C69
1n
ETH
C58
1n
ETHETH
C39
100n
C38
1n
C1 1n
R16
22R
R9 22R
ETH
R2 120R
ETH
CN4-9
C42
1n
ETH
CN1
CN4-6
ETH
CN4-2
ETH
C59
1n
ETH
C43
1n
CN4-5
ETH
R13
27R
R12
27R
D4 HSMS-2800
C47
1n
ETH
ETH
C45
1n
D3 HSMS-2800
C41
1n
C20
270p
L3 6T
CN3
ETH
R18
27R
R19
27R
ETH
ETH
ETH
ETH
C30
1n
C31
1u
ETH ETH
L2 RFC
CN2-2
C54
1n
ETH
C62
100n
ETH
C61
1n
ETH
C64
100n
ETH
TS1
KTY10-5
C44
1n
ETH
CN4-4
C57
1n
ETH
C56
1n
ETH
ETH
CN4-8 CN4-1
R15
1K
R10
1K
R11
10K
R14
10K
ETH
R3 150R
R4 68R
ETH
L9L8L7L6
C48
22p
ETH
R17
56R
C46
22p
ETH
R8 56R
C53
100n
ETH
C55
1n
ETH
C66
100n
ETH
C67
1n
ETH
CN2-1
C37
NF
C40
270p
ETH
C26
1n
C25
1n
C63
1n
ETH
TR1 PD55008S
TR2 RD70HVF
L4 43nH
TR3 BC857
R20
10K
R21
4K7
C60
220u
ETH
L5 RFC
L1 RFC
C65
220u
ETH
R7 560R
R6 560R
R5 270R
C14
1n
C15
1u
ETHETH
C72
1n
C73
100n
ETH ETH
R28
1K
D2 3V9
ETH
R26
1K
R22
1K
R24
1K
R23
1K
C81
1n
ETH
R1 150R
ETH
C71
1n
ETH
C70
1n
ETH
RV1
2K
RV2
2K
D1 BAV99
C49
4p7
C50
22p
C51
27p
C52
18p
R29
1K5
R27
1K5
R25
1K5
C16
100n
R32
100R
C74
100n
ETH
ETH
C5 100p
ETH
C2 100p
ETH
IC2 78L05
VCC
8
TST
7
CLK
6
DATA
5
A0
1
A1
2
A2
3
VEE
4
IC1 24LC02
C75
100n
CN4-7 CN4-10ETH
ETH
R33
1K
R37
10R
R35
10R
R36
10R
L14
43n
L15
1T
C19
1000p
ETH
Former=3.0
Former=6.3
Former=5.3
5.68V
3.9V
3.4V
-16dB PAD
BAND A3 39-50MHz
MX800 50 WATT POWER
1 OF 1
21-1-02
BCS042-1B
AMPLIFIER MODULE
DATE REVISION TITLE
DRAWING No SHEET REV
REF
DWGS
BY DATE
DESIGNED
DRAWN
CHECKED
APPROVED
APP
GJ
SPECTRA
ENGINEERING
(C) Copyright
RF OUTPUT
REFL VOLTS
FWD VOLTS
+13.8V IN
PTT IN
RF IN
NOTE:
1. NOT ALL COMPONENTS FITTED
2. * DEPENDS ON APPLICATION
(0.2W)
SET BIAS TR1 SET BIAS TR2
(50W)
(57W)
7Amp
1Amp
JJ 29-01-02
GJ
CLOCK
DATA
Former=5.8
LPF LINKS
JKLMNPQRTUVW
2K
(IN HEATSINK)
TEMP SENSOR