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
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ETH
C19
1200p
L15
1T
L14
43n
R36
10R
R35
10R
R37
10R
R33
1K
ETH
ETH CN4-10
CN4-7
C75
100n
VCC
8
TST
7
CLK
6
DATA
5
A0
1
A1
2
A2
3
VEE
4
IC1 24LC02
IC2 78L05
ETH
C2 100p
ETH
C5 100p
ETH
ETH
C74
100n
R32
100R
C16
100n
R25
1K5
R27
1K5
R29
1K5
C52
22p
C51
33p
C50
27p
C49
5p6
D1 BAV99
RV2
2K
RV1
2K
ETH
C70
1n
ETH
C71
1n
ETH
R1 150R
ETH
C81
1n
R23
1K
R24
1K
R22
1K
R26
1K
ETH
D2 3V9
R28
1K
ETHETH
C73
100n
C72
1n
ETH ETH
C15
1u
C14
1n
R5 270R
R6 560R
R7 560R
ETH
C65
220u
L1 RFC
L5 RFC
ETH
C60
220u
R21
4K7
R20
10K
TR3 BC857
L4 43nH
TR2 RD70HVF
TR1 PD55008S
ETH
C63
1n
C25
1n
C26
1n
ETH
C40
270p
C37
270p
CN2-1
ETH
C67
1n
ETH
C66
100n
ETH
C55
1n
ETH
C53
100n
R8 56R
ETH
C46
22p
R17
56R
ETH
C48
22p
L6 L7 L8 L9
ETH
R4 68R
R3 150R
ETH
R14
10K
R11
10K
R10
1K
R15
1K
CN4-1 CN4-8
ETH
ETH
C56
1n
ETH
C57
1n
CN4-4
ETH
C44
1n
TS1
KTY10-5
ETH
C64
100n
ETH
C61
1n
ETH
C62
100n
ETH
C54
1n
CN2-2
L2 RFC
ETHETH
C31
1u
C30
1n
ETH
ETH
ETH
ETH
R19
27R
R18
27R
ETH
CN3
L3 6T
C20
270p
C41
1n
D3 HSMS-2800
C45
1n
ETH
ETH
C47
1n
D4 HSMS-2800
R12
27R
R13
27R
ETH
CN4-5
C43
1n
ETH
C59
1n
ETH
CN4-2
ETH
CN4-6
CN1
ETH
C42
1n
CN4-9
ETH
R2 120R
ETH
R9 22R
R16
22R
C1 1n
C38
1n
C39
100n
ETH ETH
C58
1n
ETH
C69
1n
ETH
ETH
C68
1n
R31
1K5
R30
1K5
L12
220n
ETH
C3 39p
L10
3T
L16
5T
C34
68p
ETH
C36
330p
ETH
C83
47p
ETH
C85
82p
C84
100p
C86
82p
C87
39p
ETHETHETHETH
ETH
LINKS: JKLMNOPQRS
Former=5.3
DATA
CLOCK
GJ
29-01-02JJ
1Amp
7Amp
(57W)
(50W)
SET BIAS TR2SET BIAS TR1
(0.2W)
APPLICATION2. * DEPENDS ON
COMPONENTS FITTED1. NOT ALL
NOTE:
RF IN
PTT IN
+13.8V IN
FWD VOLTS
REFL VOLTS
RF OUTPUT
(C) Copyright
ENGINEERING SPECTRA
GJ
APP
APPROVED
CHECKED
DRAWN
DESIGNED
DATEBY
DWGS
REF
REVSHEETDRAWING No
TITLEREVISIONDATE
AMPLIFIER MODULE
CS041-1B B
21-1-02
1 OF 1
MX800 50 WATT POWER
BAND A2 30-40MHz
-16dB PAD
3.4V
3.9V
5.68V
Former=5.8
Former=6.6
Former=5.8
2K
(IN HEATSINK)
TEMP SENSOR