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HM-2140
Heathkit HM-2140 User Manual
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Accuracy
(full
scale)
200
Wand
2000
W
(FWD),
500
W
(REF)
.
50
W
(REF)
.
f
oI"
....
ard
and
re:1ected
power
(~-\YG
and
PE?
and
SWR.
Lo'\\'.
0-200
\,'atts
PEP.
High.
0-2000
\,'atts
PEP.
LO\,'.
0-50
\,'atts
PEP.
High.
0-500
\,'atts
PEP.
SWR.
1:1
to
3:1
±50/o
(AVG).
±7.5%
(AVG).
9-volts
DC
(Battery
NEDA
Type
#1604,
or
optional
Heathkit
Converter).
34
36
Table of Contents
Table of Contents
4
Assembly Notes
6
Parts List
7
Battery
13
Step-By-Step Assembly
14
Circuit Board Assembly
14
Circuit Board Checkout
22
Chassis Assembly
23
Tests and Adjustments
26
Final Assembly
29
Remote Sensor Mounting
29
Operation and Installation
30
Control and Switch Functions
30
SWR Measurement
32
Wattmeter Power
32
Troubleshooting
33
Specifications
35
Circuit Description
37
Remote Sensor
37
Switching Circuits
37
PEP Circuits
38
Power Supply
38
Semiconductor Chart
40
Customer Service
42
Schematic Diagrams
44
4
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Heathkit HM-2140 Specifications
General
Brand
Heathkit
Model
HM-2140
Category
Measuring Instruments
Language
English
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