Fundamental Technologies

Voyager LECP Pages

LECP-028-77

August 3, 1977

To: Distribution

From: D. P. Peletier

Subject: LECP Calibration and Discriminator Values

The following lists show the LECP discriminator setting and corresponding calibrator values submitted to the Jet Propulsion Laboratory for use in Voyager data reduction.

Table 1. LECP DISCRIMINATOR SETTINGS

   

SN01

SN02

SN03

   

SN01

SN02

SN03

D11

E1sync

271/169

329/180

287/182

 

a 1-0

12/26*

14/23

14/29

12

E0A

363 KeV

384

402

 

a 1-1

31 KeV

34

31

13

E0B

842 KeV

664

1.15

 

a 1-2

62 KeV

68

63

14

E0C

1.34 MeV

1.38

2.51

 

a l-3

114 KeV

136

121

15

E1A

1.75MeV

187

1.93

 

a 1-4

200 KeV

216

200

16

E0D

5.08 MeV

3.00

5.63

 

a 2-0

528 KeV

520

550

17

E1B

3.50 MeV

4.42

4.28

 

a 2-1

982 KeV

1.04

1.05

18

E1C

10.2 MeV

10.7

10.7

 

a 2-2

2.14 MeV

1.95

2.00

           

a 2-3

4.0 MeV

4.0

3.93

21

E2

126 KeV

136

166

 

a 2-4

7.44 MeV

7.0

7.13

22

E2A

1.22 MeV

1.25

1.49

 

b -0

12.5/24 KeV

16/23

15/26

23

E2B

6.54 MeV

5.07

6.65

 

b -1

35 KeV

33

34

24

E2C

72.8 MeV

71.5

87.7

 

b -2

61 KeV

66

67

           

b -3

112 KeV

125

125

31

E3

316 KeV

318

352

 

b -4

183 KeV

210

190

32

E3A

2.19 MeV

2.05

2.16

         

33

E3B

21.3 MeV

17.5

22.8

         

34

E3C

4.47 MeV

3.93

4.43

 

L12A

0.35

0.31

0.39

           

L12B

4.6

3.0

2.1

41

E4

331 KeV

318

340

 

L12C

27

25

24.7

42

E4A

2.18 MeV

2.08

2.26

         

43

E4B

92.5 MeV

85.0

117

 

L23A

66

52

88

44

E4C

697 MeV

892

760

 

L23B

293

420

555

           

L23C

2220

1670

2460

51

E5

136 KeV

151

167

         

52

E5A

141 KeV

181

186

 

L54A

5.25

4.8

4.5

53

E5B

480 KeV

584

562

 

L54B

68

72

73

54

E5C

18.0 MeV

15.9

20.2

 

L54C

290

230

325

55

E5D

127 MeV

139

190

 

L54D

2345

1470

2330

*Calculated using 1.8 low setting

 

SNO1

SNO2

SNO3

D1A

214 KeV

214

184

D1B

208 KeV

211

198

E0

209 KeV

305

204

D1F1

*590 KeV

695

745

D1F2

*1.73 MeV

1.77

1.93

AC1

308 KeV

310

306

AC2

291 KeV

305

320

*Calculated

Table 2. Calibrator 12% and 88% Trigger Levels (mV)
Table 3. LECP Calibrator Conversion Numbers

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Last modified 12/2/02, Tizby Hunt-Ward
tizby@ftecs.com