Bird-technologies 4201 Series Manual do Utilizador descarregar pdf (Página 21)

VSWR Conversion

Nomograph

Using the VSWR Nomograph, determine the intersection of the forward and reflected

power values. The slanted line passing closest to this point indicates the VSWR.

10 15

0.5

1.0 1.5

2.0

2.5

3.0

4.0

5.0 25

30 40

100 150 200

300 400

500

1.0

1.2

1.4

1.6

1.8

2.0

VSWR=

Reflected Power

Forward Power

Reflected Power

Forward Power

FORWARD POWER - WATTS

REFLECTED POWER - WATTS

3.0

2.5

2.0

1.6

1.5

1.4

1.3

1.25

1.20

1.16

1.14

1.12

1.10

1.09

1.08

1.07

1.06

1.05

1.8

4.0

VSWR

Figure 9

VSWR Conversion Nomograph

10 15

0.5

1.0 1.5

2.0

2.5

3.0

4.0

5.0 25

30 40

100 150 200

300 400 500

.01

.02

.03

.04

.05

.06

.07

.08

.09

1.0

3.0

2.5

2.0

1.6

1.5

1.4

1.3

1.25

1.20

1.16

1.14

1.12

1.10

1.09

1.08

1.07

1.06

1.05

1.04

1.03

1.8

FORWARD POWER - WATTS

REFLE

TED POWER - WATTS

4.0

VSWR

Figure 10

VSWR Conversion Nomograph

Operating Instructions

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 27

Electronic Corporation 1
Safety Precautions 3
About This Manual 7
Table Of Contents 9
Introduction 11
Specifications 12
Models 4201A501 and 4201A503 13
Models 4201A502 and 4201A504 13
Power Sensors 14
Installation 15
Phono Connector 16
SENSOR CONNECTIONS 17
Operating Instructions 19
Zeroing Meters 20
Using The Wattmeter 20
Figure 9 21
VSWR Conversion Nomograph 21
Figure 10 21
Maintenance 23
Troubleshooting 24
Replacement Parts 24
Cleaning 25
Meter Replacement 25
Cable Replacement 25
Figure 12 26
4201A004 26
Interconnecting 26
Limited Warranty 27

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