Elecraft W2 Watt-meter Manual User Manual
Page 21
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C
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A
A
Pin 4 i
s
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2009030902
A
W2 Power Meter: Front Panel
B
11
Tuesday, May 26, 2009
Title
S
iz
e
Document Number
R
ev
Date:
Sheet
of
POWER
SENSOR
RCK
POWER
RANGE
SENSOR
RANGE
PWR6
PWR8
SWR2
SWR4 SWR3
PWR9
PWR7
SWR5
PWR4
SENSE1
SENSE2
PWR5
PWR3
SWR1
SWR4
SWR5
SWR2
SWR3
SWR1
SWR8
SWR9
SWR10
SWR11
SWR12
SWR13
SER
SRCK
PWM
PWR7
PWR14
PWR2
PWR5
PWR13
PWR10
PWR11
PWR8
PWR3
PWR6
PWR12
PWR9
PWR1
PWR4
RANGE1
SENSE1
RANGE5
RANGE4
RANGE3
RANGE2
SENSE2
PWR15
PWR16
PWR17
SWR6
SWR7
SWR7 SWR6
PWR12
PWR10 PWR11
SWR9 SWR8
SWR10 PWR14 PWR15 PWR16 PWR17
SWR11
SWR12
SWR13
PWR13
PWR2
RANGE2
RANGE3
RANGE4 RANGE5
PWR1
RANGE1
12VUNSW
+5
V
12VUNSW
+5
V
+5
V
+5
V
+5
V
VLED
VLED
VLED
+5
V
+5
V
R17
390R
R15
390R
R30
390R
D4
YELLOW
2
1
D22
G
REEN
2
1
D10
G
REEN
2
1
D1
YELLOW
2
1
R14
390R
D24
YELLOW
2
1
R20
390R
D29
GREEN
2
1
R13
390R
D25
GREEN
2
1
D36
RED
2
1
D19
G
REEN
2
1
C6 0.1 uF
D35
RED
2
1
R23
100K
D7
GREEN
2
1
U4
TPIC6C595D
3 4 5 6 11 12 13 14
9
2 15 7 10 8
1
16
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
SDO
SDI SCK SCLR RCK OE
VCC
GND
R28
270R
R8
390R
S1
ON_OFF
1
3
2
4
R12
390R
R26
390R
R36
390R
D12
G
REEN
2
1
D23
YELLOW
2
1
D30
GREEN
2
1
R18
390R
C2 0.1 uF
D37
RED
2
1
D3
YELLOW
2
1
TP
1
SPARE
1
J1
FP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
U3
TPIC6C595D
3 4 5 6 11 12 13 14
9
2 15 7 10 8
1
16
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
SDO
SDI SCK SCLR RCK OE
VCC
GND
R34
390R
D9
GREEN
2
1
D16
G
REEN
2
1
U5
TPIC6C595D
3 4 5 6 11 12 13 14
9
2 15 7 10 8
1
16
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
SDO
SDI SCK SCLR RCK OE
VCC
GND
R10
390R
R7
390R
R11
390R
R21
390R
D20
G
REEN
2
1
TP
3
PWM
1
R25
390R
R33
390R
R3
270R
S2
SENSOR
1
3
2
4
D27
GREEN
2
1
D34
RED
2
1
R29
270R
C3 1 uF
D17
G
REEN
2
1
R31
390R
TP
2
SPARE
1
R16
390R
R1
270R
R37
270R
U2
TPIC6C595D
3 4 5 6 11 12 13 14
9
2 15 7 10 8
1
16
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
SDO
SDI SCK SCLR RCK OE
VCC
GND
D11
G
REEN
2
1
R4
270R
D32
YELLOW
2
1
D14
G
REEN
2
1
D28
GREEN
2
1
R19
390R
D21
G
REEN
2
1
R24
390R
R32
390R
D6
GREEN
2
1
R6
390R
D31
GREEN
2
1
D5
YELLOW
2
1
C1 0.1 uF
D15
G
REEN
2
1
D8
GREEN
2
1
R9
390R
R35
390R
R27
390R
D18
G
REEN
2
1
S3
RANGE
1
3
2
4
C4 0.1 uF
D2
YELLOW
2
1
R2
270R
U1
TPIC6C595D
3 4 5 6 11 12 13 14
9
2 15 7 10 8
1
16
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
SDO
SDI SCK SCLR RCK OE
VCC
GND
R38
270R
C5 0.1 uF
R5
270R
D33
YELLOW
2
1
D13
G
REEN
2
1
D26
GREEN
2
1
R22
390R