Table 2. RF Measurement Chart

(1 + X)

X

(1 - X)

(REF)

PHASOR

INTERACTION

Conversion tables for Return Loss, Reflection Coefficient, and SWR with tabular values for inter- action of a small phaser x with a large phaser (unity reference) expressed in dB related to refer- ence.

 

 

 

Relative to Unity Reference

 

 

SWR

Reflection

Return

X

REF + X

REF – X

REF ￿ X

 

Coefficient

Loss

dB

dB

dB

Peak to

 

 

(dB)

Below

 

 

Peak

 

 

 

Refer-

 

 

Ripple

 

 

 

ence

 

 

dB

 

 

 

 

 

 

 

17.3910

0.8913

1

1

5.5350

–19.2715

24.8065

8.7242

0.7943

2

2

5.0780

–13.7365

18.8145

5.8480

0.7079

3

3

4.6495

–10.6907

15.3402

4.4194

0.6310

4

4

4.2489

–8.6585

12.9073

3.5698

0.5623

5

5

3.8755

–7.1773

11.0528

3.0095

0.5012

6

6

3.5287

–6.0412

9.5699

2.6146

0.4467

7

7

3.2075

–5.1405

8.3480

2.3229

0.3981

8

8

2.9108

–4.4096

7.3204

2.0999

0.3548

9

9

2.6376

–3.8063

6.4439

1.9250

0.3162

10

10

2.3866

–3.3018

5.6884

1.7849

0.2818

11

11

2.1567

–2.8756

5.0322

1.6709

0.2512

12

12

1.9465

–2.5126

4.4590

1.5769

0.2239

13

13

1.7547

–2.2013

3.9561

1.4935

0.1995

14

14

1.5802

–1.9331

3.5133

1.4326

0.1778

15

15

1.4216

–1.7007

3.1224

1.3767

0.1585

16

16

1.2778

–1.4988

2.7766

1.3290

0.1413

17

17

1.1476

–1.3227

2.4703

1.2880

0.1259

18

18

1.0299

–1.1687

2.1986

1.2528

0.1122

19

19

0.9237

–1.0337

1.9574

1.2222

0.1000

20

20

0.8279

–0.9151

1.7430

1.1957

0.0891

21

21

0.7416

–0.8108

1.5524

1.1726

0.0794

22

22

0.6639

–0.7189

1.3828

1.1524

0.0708

23

23

0.5941

–0.6378

1.2319

1.1347

0.0631

24

24

0.5314

–0.5661

1.0975

1.1192

0.0562

25

25

0.4752

–0.5027

0.9779

1.1055

0.0501

26

26

0.4248

–0.4466

0.8714

1.0935

0.0447

27

27

0.3796

–0.3969

0.7765

1.0829

0.0398

28

28

0.3391

–0.3529

0.6919

1.0736

0.0355

29

29

0.3028

–0.3138

0.6166

1.0653

0.0316

30

30

0.2704

–0.2791

0.5495

1.0580

0.0282

31

31

0.2414

–0.2483

0.4897

1.0515

0.0251

32

32

0.2155

–0.2210

0.4365

1.0458

0.0224

33

33

0.1923

–0.1967

0.3890

1.0407

0.0200

34

34

0.1716

–0.1751

0.3467

1.0362

0.0178

35

35

0.1531

–0.1558

0.3090

1.0322

0.0158

36

36

0.1366

–0.1388

0.2753

1.0287

0.0141

37

37

0.1218

–0.1236

0.2454

1.0255

0.0126

38

38

0.1087

–0.1100

0.2187

1.0227

0.0112

39

39

0.0969

–0.0980

0.1949

1.0202

0.0100

40

40

0.0864

–0.0873

0.1737

1.0180

0.0089

41

41

0.0771

–0.0778

0.1548

1.0160

0.0079

42

42

0.0687

–0.0693

0.1380

1.0143

0.0071

43

43

0.0613

–0.0617

0.1230

1.0127

0.0063

44

44

0.0546

–0.0550

0.1096

1.0113

0.0056

45

45

0.0487

–0.0490

0.0977

1.0101

0.0050

46

46

0.0434

–0.0436

0.0871

1.0090

0.0045

47

47

0.0387

–0.0389

0.0776

1.0080

0.0040

48

48

0.0345

–0.0346

0.0692

1.0071

0.0035

49

49

0.0308

–0.0309

0.0616

1.0063

0.0032

50

50

0.0274

–0.0275

0.0549

1.0057

0.0028

51

51

0.0244

–0.0245

0.0490

1.0050

0.0025

52

52

0.0218

–0.0218

0.0436

1.0045

0.0022

53

53

0.0194

–0.0195

0.0389

1.0040

0.0020

54

54

0.0173

–0.0173

0.0347

1.0036

0.0018

55

55

0.0154

–0.0155

0.0309

1.0032

0.0016

56

56

0.0138

–0.0138

0.0275

1.0028

0.0014

57

57

0.0123

–0.0123

0.0245

1.0025

0.0013

58

58

0.0109

–0.0109

0.0219

1.0022

0.0011

59

59

0.0097

–0.0098

0.0195

1.0020

0.0010

60

60

0.0087

–0.0087

0.0174

 

 

 

 

 

 

 

12

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Image 12
Anritsu S820A manual RF Measurement Chart