Aeroflex 2948B Handbücher

Bedienungsanleitungen und Benutzerhandbücher für Fernseher & Monitore Aeroflex 2948B.
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Aeroflex 2948B Bedienungsanleitung (266 Seiten)

Marke: Aeroflex | Kategorie: Fernseher & Monitore | Größe: 6.02 MB |

Japanisch

Inhaltsverzeichnis

KIKUSUI ELECTRONICS CORP

1

Aeroflex 2948B Bedienungsanleitung (12 Seiten)

Marke: Aeroflex | Kategorie: Fernseher & Monitore | Größe: 0.15 MB |

Englisch

Inhaltsverzeichnis

Wireless

1

SSPPEECCIIFFIICCAATTIIOONN

3

GGEENNEERRAALL

7

Aeroflex 2948B Betriebsanleitung (265 Seiten)

Marke: Aeroflex | Kategorie: Fernseher & Monitore | Größe: 3.44 MB |

Englisch

Italienisch

Inhaltsverzeichnis

Operating Manual

1

COMMUNICATIONS

2

SERVICE MONITOR

2

About this manual

3

Associated publications

4

Contents

5

Fusibles

10

Vorsichtsmassnahmen

12

Sicherungen

13

Eignung für Gebrauch

14

Precauzioni

15

Fusibili

16

Caratteristiche d’uso

17

Precauciones

18

Idoneidad de uso

20

Chapter 1

21

GENERAL INFORMATION

21

Purpose and features

22

Transmitter testing

23

Receiver testing

24

Duplex testing

24

Systems testing

25

Service Monitor

26

Amplifier

26

Performance data

27

Audio analyzer

29

Transmitter measurements

31

Audio generators

34

Cellular and trunking

35

Frequency standard

35

General features

36

Options and accessories

37

EC Declaration of Conformity

41

Chapter 2

42

INSTALLATION

42

Ventilation

43

Power requirements

44

Class I power cords (3-core)

44

British

45

North American

45

Continental Europe

45

Connecting to a DC supply

47

RF and AF connections

47

Hot Surfaces

47

Accessory socket connections

48

Remote control connections

49

9-WAY 9-WAY

50

9-WAY 25-WAY

50

Self tests

51

Routine maintenance

52

1. Visual inspection

53

2. Earth bonding tests

53

3. Insulation tests

54

4. Rectification

54

Cleaning

54

Chapter 3

55

List of tables

56

List of figures

57

About this chapter

57

Front panel layout

58

Hot surfaces

60

27282920

62

Getting started

63

Test mode screens and menus

63

HELP/SETUP

64

Volts, dBm, dBV or Watts and

67

Bar charts

69

Using the test modes

70

Connections

73

Tx power

76

Audio frequency filtering

78

Audio distortion measurement

78

Audio generator setup

80

TRANSIENT ANALYSIS

83

50 % will place the trigger

84

Transmitter frequency

85

Display time scale

85

Pre-trigger

85

External attenuators

88

Modulation characteristics

89

Companding/limiting

89

*STANDARD OSCILLOSCOPE*

89

*EXPANDED OSCILLOSCOPE*

89

*DUPLEX*

90

Modulation distortion

90

Rx test (receiver testing)

93

AF input level measurement

99

Making measurements

101

AF bandwidth

103

AF distortion

103

Selectivity

104

Spurious response

105

AGC response

106

Dx test (duplex testing)

107

LOCAL OPERATION

108

Systems

109

Spectrum analyzer

109

Overview

110

Setting up

110

Start frequency

111

Stop frequency

111

Peak find

111

Resolution bandwidth

111

Reference level

111

Vertical scale

112

Markers

112

Tracking generator facility

113

Centre at the

114

Demod settings

115

mode is the same as for the

116

Input level measurement

118

Input filtering

119

Distortion measurement

119

*Oscilloscope*

121

Incremental adjustment keys

122

Assigning

123

Tones sub-mode

124

Signal routing

125

RF input attenuators

125

Sequential tones

126

Tone Generate Mode

128

Tone ON/OFF control

129

Revertive tones

130

Output level

131

Tone selection

131

Tone frequency shift

131

DCS receiver decoder testing

133

Tx test DTMF tones function

135

Rx test DTMF tones function

136

Dx test DTMF tones function

137

AF test DTMF tones function

137

Tones ON/OFF control

137

AF Tone Remote

138

Testing a radio pager

141

Decoding POCSAG type signals

142

Oscilloscope

143

Expanded display

144

Stores, settings/results

145

Storing

146

DISPLAY HOLD STORE

146

Other memory functions

146

Titling store locations

147

Memory card

148

Write-protecting cards

149

Coded store protection

149

Storing on memory cards

150

Printing from memory cards

151

Error messages

152

Real time clock

153

Date and time stamping

153

Printer

154

Rear accessory

155

LOCAL OPERATION

158

Chapter 4

172

TECHNICAL DESCRIPTION

172

Power supply

173

The display

174

TECHNICAL DESCRIPTION

175

Tx test mode

176

Data generator

177

Receiver circuits

178

IF circuits

179

Demodulators

180

RF counter

181

Measurement ranging circuits

181

Distortion/SINAD filter

181

Oscilloscope function

181

Rx test mode

182

RF oscillator

182

AF test mode

185

Dx test mode

185

Spectrum analyzer mode

185

Systems mode

186

Chapter 5

187

ACCEPTANCE TESTING

187

Introduction

188

Test equipment

189

RF output tests

190

⎭ ⎩

191

RF output level

192

BNC output mode

193

Attenuator accuracy

193

Spectral purity

195

Signal generator

196

Modulation meter

196

Amplitude modulation

197

Frequency modulation

198

AF output tests

199

Audio generator distortion

200

Audio generator frequency

201

AF input tests

202

Audio voltmeter

203

Specification

204

RF input tests

205

Splitter

206

Modulation analyzer - AM

208

RF frequency meter

210

RF spectrum analyzer

212

RF broadband power meter

214

Signalling systems

215

Appendix A

229

DIRECTIONAL POWER HEADS

229

Precautions

230

Précautions

231

Vorsichtsmaßnahmen

232

Features

235

Power measurement

238

MAX SAFE POWER

239

Supplied

241

Optional

241

General

242

Procedure

242

Technical description

244

Appendix B

246

AVIONICS SYSTEM

246

Avionics system overview

247

Glideslope signal

248

Marker beacons

249

The simulated VOR signal

250

The simulated SELCAL signal

251

Avionics system operation

252

RF frequency and level

253

Setting the RF level

254

Using the [DDM] key

254

Marker beacon

255

Using the VOR Ident facility

257

AEROFLEX INTERNATIONAL LTD

263

48000/025 Issue 1

264

November 2005

265

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