Wavetek 3520 Générateur
Fabricant:
Modèle:
3520
Date:
0
Catégorie:
Groupe:
Description:
SIGNAL GENERATOR

Information

INTRODUCTION The Wavetek Model 3520 is a rugged, microprocessor controlled, GPIB-addressable Signal Generator covering the frequency range of 1 to 2080 MHz. All instrument parameters are set via either front-panel keyboard entry or GPIB (IEEE-488) Interface. Instrument settings and parameters are displayed on three alphanumeric vacuum-fluorescent displays. A flexible cursor system allows a selected digit of a parameter to be incremented, or the parameter may be incremented by a user-defined step size. A relative/reference function may be used to test with respect to a specified parameter value. Nonvolatile memory locations allow up to 32 complete front panel settings to be quickly stored and recalled in any order. 1.1.1 FREQUENCY CHARACTERISTICS The carrier frequency may be set to a resolution of 100 Hz from 1 to 1040 MHz, and 200 Hz from 1041 to 1080 MHz. The accuracy of the instrument is based on a crystal-controlled Oscillator which serves as a stable frequency reference, enabling the instrument to provide high-stability signals to an accuracy of 0.001% over its specified frequency range. This accuracy includes possible errors due to short-term drift, long-term drift, incidental FM, and variations due to line voltage changes and temperature changes. The accuracy of the instrument can be imp roved by using the optional External Reference input, the optional Internal/External Reference, and/or the optional High Stability Internal Reference. 1.1.2 MODULATION The instrument features both internal and external AM and FM capabilities. The internal modulation source may be set to any 1 Hz multiple between 80 Hz and 999 kHz and 10 Hz multiple between 1 kHz and 10 kHz. FM deviation can be set to any desired value up to 100 kHz. AM depth is specified from 0 to 90%. The internal and external sources may be used simultaneously to produce complex modulation. An automatic level control (ALC) function is provided to normalize external sources. 1.1.3 OUTPUT LEVEL FEATURES The 50 ohm calibrated output of the instrument is leveled to ±2.0 dB across the 1 to 2080 MHz frequency range. RF output level is settable f rom +10 dBm to -13 7 dBm with a resolution of 0.1 dB. The level may be read out in dBm or in Volts RMS. Reverse power protection to 50 watts is standard.

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Manuel de l'utilisateur
Type manuel:
Manuel de l'utilisateur
Pages:
88
Taille:
2.94 Mbytes (3085588 Bytes)
Langue:
english
Révision:
E
Manuel-ID:
Date:
Qualité:
Document scanné, la lecture en partie mal, en partie illisible.
Date de transfert:
2014 11 18
MD5:
1a5e04471337ac6a122157bd8ee0d9ef
Téléchargements:
665

Information

SECTION 1 - GENERAL INFORMATION 1.1 INTRODUCTION 1.2 SPECIFICATIONS 1.3 OPTIONS 1.4 Accessories SECTION 2 - OPERATION 2.1 INTRODUCTION 2.2 MECHANICAL INSTALLATION 2.3 ELECTRICAL INSTALLATION 2.4 DESCRIPTION OF FRONT PANEL 2.5 DESCRIPTION OF REAR PANEL 2.6 INSTALLATION CHECKS 2.7 OPERATING PROCEDURE 2.8 GPIB PROGRAMMING SECTION 3 - THEORY OF OPERATION 3.1 INTRODUCTION 3.2 DIGITAL CONTROL SECTION OVERVIEW 3.3 RF GENERATING SECTION OVERVIEW 3.4 PHASE-LOCKED LOOPS * 3.5 M9W SWEEP Oscillator ■k 3.6 M10W-15 DRIVER Amplifier * 3.7 M30-5 CRYSTAL REFERENCE * 3.8 FREQUENCY DOUBLERS * 3.9 M35-6/7 REVERSE POWER PROTECTION * 3.10 M207 PROGRAMMABLE ATTENUATOR * 3.11 POWER SUPPLY SECTION 4 - PERFORMANCE TESTS 4.1 INTRODUCTION 4.2 FREQUENCY RANGE AND RESOLUTION TEST 4.3 FREQUENCY ACCURACY TEST 4.4 FREQUENCY STABILITY TEST 4.5 OUTPUT LEVEL ACCURACY TEST 4.6 HARMONICS TEST 4.7 NON-HARMONIC TEST 4.8 RESIDUAL AM TEST 4.9 RESIDUAL FM TEST 4.10 INTERNAL MODULATION FREQUENCY ACCURACY TEST 4.11 PERCENT AM ACCURACY TEST 4.12 AM BANDWIDTH TEST 4.13 AM DISTORTION TEST 4.14 FM DEVIATION ACCURACY TEST 4.15 FM BANDWIDTH TEST 4.16 FM DISTORTION TEST 4.17 IMPEDANCE TEST 4.18 RFI TEST 4.19 REVERSE POWER PROTECTION CHECK

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Manuel de l'utilisateur
Type manuel:
Manuel de l'utilisateur
Pages:
88
Taille:
2.95 Mbytes (3089213 Bytes)
Langue:
english
Révision:
E
Manuel-ID:
Date:
Qualité:
Document scanné, la lecture en partie mal, en partie illisible.
Date de transfert:
2018 08 15
MD5:
3f0f4588246743d70ac4039ce6b79db8
Téléchargements:
414

Information

SECTION 1 - GENERAL INFORMATION 1.1 INTRODUCTION 1.2 SPECIFICATIONS 1.3 OPTIONS 1.4 ACCESSORIES SECTION 2 - OPERATION 2.1 INTRODUCTION 2.2 MECHANICAL INSTALLATION 2.3 ELECTRICAL INSTALLATION 2.4 DESCRIPTION OF FRONT PANEL 2.5 DESCRIPTION OF REAR PANEL 2.6 INSTALLATION CHECKS 2.7 OPERATING PROCEDURE 2.8 GPIB PROGRAMMING SECTION 3 - THEORY OF OPERATION 3.1 INTRODUCTION 3.2 DIGITAL CONTROL SECTION OVERVIEW 3.3 RF GENERATING SECTION OVERVIEW 3.4 PHASE-LOCKED LOOPS * 3.5 M9W SWEEP Oscillator * 3.6 M10W-15 DRIVER Amplifier * 3.7 M30-5 CRYSTAL REFERENCE * 3.8 FREQUENCY DOUBLERS * 3.9 M35-6/7 REVERSE POWER PROTECTION * 3.10 M207 PROGRAMMABLE ATTENUATOR * 3.11 POWER SUPPLY SECTION 4 - PERFORMANCE TESTS 4.1 INTRODUCTION 4.2 FREQUENCY RANGE AND RESOLUTION TEST 4.3 FREQUENCY ACCURACY TEST 4.4 FREQUENCY STABILITY TEST 4.5 OUTPUT LEVEL ACCURACY TEST 4.6 HARMONICS TEST 4.7 NON-HARMONIC TEST 4.8 RESIDUAL AM TEST 4.9 RESIDUAL FM TEST 4.10 INTERNAL MODULATION FREQUENCY ACCURACY TEST 4.11 PERCENT AM ACCURACY TEST 4.12 AM BANDWIDTH TEST 4.13 AM DISTORTION TEST A.14 FM DEVIATION ACCURACY TEST 4.15 FM BANDWIDTH TEST 4.16 FM DISTORTION TEST 4.17 IMPEDANCE TEST 4.18 RFI TEST 4.19 REVERSE POWER PROTECTION CHECK * SECTION 5.1 5.2 5.3 5.4 * SECTION 6.1 6.2 *** * SECTION 7.1 7.2 7.3 *** - MAINTENANCE INTRODUCTION SERVICE INFORMATION CALIBRATION PROCEDURE TROUBLESHOOTING - REPLACEABLE PARTS INTRODUCTION MANUFACTURERS CODE PARTS LIST - SCHEMATICS INTRODUCTION SCHEMATIC NOTES SCHEMATIC INDEX SCHEMATICS * SECTION 8 - MANUAL CHANGES & OPTIONS 8.1 INTRODUCTION 8.2 MANUAL CHANGES - MAINTENANCE INTRODUCTION SERVICE INFORMATION CALIBRATION PROCEDURE TROUBLESHOOTING - REPLACEABLE PARTS INTRODUCTION MANUFACTURERS CODE PARTS LIST - SCHEMATICS INTRODUCTION SCHEMATIC NOTES SCHEMATIC INDEX SCHEMATICS * SECTION 8 - MANUAL CHANGES & OPTIONS 8.1 INTRODUCTION 8.2 MANUAL CHANGES

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