Anritsu MS610J Spektrumanalysator
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Modell:
MS610J
Datum:
1986
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The MS610 Spectrum Analyzer has a wide frequency range of 10 kHz to 2 GHz, and covers a broad range from the video band to the UHF/VHF band. It is used mainly for spurious response measurement of radio equipment, etc., assembly line adjustment, distortion measurement of various performance elements and circuits (for example, in amplifiers), and broadcast signal panoramic reception and EMI (Electro Magnetic Interference) measurements, etc. The MS610 has multiple functions for these uses: a coupling function, measured level digital display function for efficient measurement, a GP-IB function, which allows simple automation of measurement, and an EMI measurement function with QP (Quasi Peak) detector. The last two are available as options. A tracking Generator (MH680A) is available as a peripheral device for transmission measurement.

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Bedienungsanleitung
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Bedienungsanleitung
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174
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english
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SECTION 1 GENERAL ... 1-1 SECTION 2 COMPOSITION AND SPECIFICATIONS 2.1 Composition ... 2-1 2.2 Specifications ... 2-2 2.3 Peripheral Devices and Accessories ... 2-6 2.3.1 MH680A/B Tracking Generator ... 2-6 2.3.2 MH648A Preamplifier ... 2-7 2.3.3 Artificial Mains Network ... 2-8 2.3.4 High Impedance Probe ... 2-8 2.3.5 Battery Pack and DC-DC Converter ... 2-9 2.3.6 Frequency Counter ... 2-9 2.3.7 Antennas ... 2-10 2.3.8 Packet III Personal Technical Computer .. 2-11 2.3.9 Accessories ... 2-12 SECTION 3 OPERATION 3.1 Handling Precautions ... 3-1 3.1.1 Power supply ... 3-1 3.1.2 Installation site environmental conditions ... 3-1 3.1.3 Maximum input level ... 3-2 3.2 Front and Rear Panel Controls ... 3-3 3.3 Description of Controls ... 3-7 3.3.1 FREQUENCY ... 3-7 (1) COARSE-FINE dial ... 3-7 (2) START FREQ and CENTER FREQ ... 3-8 (3) FREQ ZERO ADJ ... 3-8 3.3.2 MODE ... 3-9 (1) Function ... 3-9 (2) DATA ... 3-9 * (3) REFERENCE LEVEL ... 3-9 (4) MARKER LEVEL ... 3-10 (5) FREQ SPAN ... 3-11 (6) INPUT ATTEN ... 3-12 (7) RBW ... 3-13 (8) SWEEP TIME ... 3-13 3.3.3 COUPLED TO SPAN ... 3-14 3.3.4 COUPLED TO REF ... 3-16 3.3.5 VIDEO Filter ... 3-17 3.3.6 SCALE ... 3-18 3.3.7 TRIG ... 3-19 3.3.8 DISPLAY UNCAL ... 3-20 3.3.9 GAIN ADJ ... 3-20 3.3.10 INTENSITY ... 3-21 3.3.11 GP-IB ... 3-21 3.3.12 REFERENCE LEVEL (rear panel) ... 3-22 3.4 Measurement ... 3-23 3.4.1 Measurement preparation ... 3-23 (1) Power-ON ... 3-23 (2) Gain calibration ... 3-24 (3) Frequency display zero calibration ... 3-25 (4) TRACE ROTATION and V. POSITION adjustments ... 3-25 3.4.2 Fundamental measurement ... 3-26 3.4.3 Measurement with improved frequency accuracy ... 3-27 (1) Measurement with improved frequency accuracy using CAL OUT signal ... 3-27 (2) Measurement with improved frequency accuracy using MH680B and frequency Counter ... 3-28 3.4.4 Spurious measurement ... 3-32 (1) Harmonics measurement with fast operation ... 3-32 (2) Inter modulation product measurement ... 3-34 (3) Random spurious signal measurement . 3-34 (4) Spectrum purity measurement ... 3-34 3.4.5 Modulated wave measurement ... 3-35 (1) Procedure ... 3-35 (2) AM wave measurement ... 3-35 (3) AM wave measurement when modulation frequency is low ... 3-37 (4) FM wave measurement ... 3-3 8 (5) PAM wave measurement ... 3-39 (6) Audio modulation signal monitoring ... 3-40 3.4.6 Field strength measurement ... 3-42 (1) Measurement in dBU units ... 3-43 (2) Direct reading measurement of field strength using specified antenna ... 3-43 (3) Antenna coefficient display ... 3-44 3.4.7 Radio interference (EMI) measurement ... 3-44 3.4.8 Measurement using GP-IB ... 3-44 SECTION 4 DAILY MAINTENANCE AND STORAGE 4.1 Daily Maintenance ... 4-1 4.2 Storage ... 4-1 4.2.1 Storage precautions ... 4-1 4.2.2 Recommended storage conditions ... 4-2 SECTION 5 PRINCIPLES OF OPERATION 5.1 Introduction ... 5-1 5.2 Frequency Conversion Circuit ... 5-2 5.3 IF Circuit ... 5-2 5.4 Detection and Video Circuits ... 5-3 5.5 Sawtooth Generator and Local Oscillator Control Circuit ... 5-3 5.6 Controller ... 5-4 SECTION 6 PERFORMANCE TEST 6.1 Introduction ... 6-1 6.2 Equipment Required for Performance Test ... 6-2 6.3 Preliminary Operations ... 6-5 6.4 Performance Test ... 6-5 6.4.1 CAL Output ... 6-5 6.4.2 Frequency display accuracy ... 6-8 6.4.3 Frequency span accuracy ... 6-11 6.4.4 Resolution bandwidth selectivity ... 6-13 6.4.5 Frequency stability ... 6-17 6.4.6 Residual FM ... 6-18 6.4.7 Sideband noise ... 6-21 6.4.8 LOG scale linearity ... 6-23 6.4.9 Reference level accuracy ... 6-25 6.4.10 Frequency response ... 6-27 6.4.11 Average noise level ... 6-30 6.4.12 2nd and 3rd harmonics distortion ... 6-31 6.4.13 Residual spurious response ... 6-34 6.4.14 Resolution bandwidth gain variation ... 6-35 6.4.15 RF input impedance (terminal) ... 6-37 6.4.16 Power consumption ... 6-41 6.4.17 Data sheets ... 6-42

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