Krohn-Hite Corporation 6900B Analyzer
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Modell:
6900B
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0
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Beschreibung:
WIDE RANGE FULLY AUTOMATIC DISTORTION ANALYZER

Information

The Krohn-Hite Model 6900B is a Fully Automatic Distortion Analyzer designed or ultra-low distortion and ac voltage measurements in the 5Hz to 1MHz frequency range. The Distortion Analyzer will measure total harmonic distortion (THD) down to 0.005%, typically, with 0.001% resolution. A unique Auto Set Level feature eliminates the need to manually preset the input reference level before each measurement for any input voltage between 0.1-130 volts rms. An Auto-Null Network provides Auto Nulling of the fundamental frequency over the entire frequency range. The Analyzer also measures ac voltages from 10mV to 130 volts rms over the range of 5Hz to 1MHz. The Auto-Ranging Digital Display Meter (DDM) reads directly in percent distortion or ac volts, and eliminates the ambiguities commonly found in analog voltmeter. A 1kHz ultra-low distortion (0.003%) sinewave output is provided for use as a stimulus to test circuit or system distortion characteristics, or for self-checking of the Analyzer. A switch selectable High-Pass Filter reduces the effects of hum and low frequency noise. The 400Hz, 30kHz and 80kHz selectable filters are effective only in the DISTORTION MODE. An internal low-pass tracking Filter eliminates high frequency noise when making low distortion measurements. A DISTORTION OUTPUT is also provided for visual inspection or spectral analysis of the input signal after the fundamental has been filtered out. An optional BCD output is available.

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Bedienungsanleitung
Dokumenttyp:
Bedienungsanleitung
Seiten:
15
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2.86 Mbytes (3001228 Bytes)
Sprache:
english
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Elektronisches Dokument, kein Scan, sehr gut lesbar.
Upload Datum:
2015 09 06
MD5:
ab2ff5c307ab19261ac04feeca4b27e1
Downloads:
1058

Information

Only the Operation Sections included! 1.0 GENERAL DESCRIPTION ... 1-1 1.1 Introduction ... 1-1 1.2 Specifications ... 1-1 1.3 General Specification ... 1-3 2.0 OPERATION ... 2-1 2.1 Introductions ... 2-1 2.2 Power Requirements ... 2-1 2.3 Turn-on Procedure ... 2-1 2.4 Controls, Terminals, Indicators ... 2-1 2.5 Operation ... 2-2 2.6 Optional Features ... 2-4 3.0 INCOMING ACCEPTANCE ... 3-1 3.1 Introduction ... 3-1 3.2 Procedure ... 3-1 4.0 CIRCUIT DESCRIPTION ... 4-1 4.1 Introduction ... 4-1 4.2 Circuit Description ... 4-1 5.0 CALIBRATION ... 5-1 5.1 Introduction ... 5-1 5.2 Calibration Procedure ... 5-1 5.3 Power Supply ... 5-1 5.4 Voltmeter Calibration ... 5-2 5.5 Input Amplifier Calibration ... 5-3 5.6 Stepping Amplifier Calibration ... 5-3 5.7 Output Amplifier Calibration ... 5-3 5.8 Frequency Detector Calibration ... 5-4 5.9 1kHz Oscillator Calibration ... 5-4 5.10 1kHz Calibration ... 5-4 5.11 Integrator Level Calibration ... 5-4 5.12 Calibration Adjustments ... 5-4 6.0 MAINTENANCE ... 6-1 6.1 Introduction ... 6-1 6.2 Trouble-Shooting Procedure ... 6-1 6.3 Step-by-Step Troubleshooting procedure ... 6-1 6.4 Power Supply ... 6-6 6.5 ALC Amplifier ... 6-6 6.6 Null Amplifier ... 6-7 6.7 Meter Amplifier ... 6-7 6.8 Operational Rectifier ... 6-7 6.9 Integrator ... 6-8 6.10 Voltage Discriminator ... 6-8 6.11 Frequency Discriminator ... 6-8 6.12 Oscillator ... 6-8 7.0 PARTS LISTS, SCHEMATICS AND BOARD LAYOUTS ... 7-1 7.1 Ordering Information ... 7-1 7.2 Ordering Unlisted Parts ... 7-1

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