Boonton Electronic 2520 Calibratore
Produttore:
Modello:
2520
Data:
1988
Categoria:
Gruppo:
Descrizione:
RF Calibrator

Informazioni

The Model 2520 is a fixed frequency (30 MHz) source at 50 ohms that provides an accurate level from “7 0 dBm to +20 dBm in 0.1 dB steps. It’s level is NBS traceable using thermal Converter techniques at 0 dBm and with NBS certified fixed attenuators at other levels. The 2520 is generally used for calibrating RF power meters, however, it can also be used to calibrate attenuators or video detectors, etc. Or it can be used in an automatic test equipment (ATE) environment for maintenance and verification of equipment. The output impedance is 50 ohms, however, compensation for the 0.177 dB loss that occurs when connected to 75 ohm systems is provided. The Model 2520 is GPIB bus programmable.

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Servizio e manuale utente
Tipo di manuale:
Servizio e manuale utente
Pagine:
84
Dimensione:
3.71 Mbytes (3890400 Bytes)
Lingua:
english
Revisione:
ID del manuale:
98101500A
Data:
1988 01 01
Qualità:
Documento scansionato, tutto leggibile.
Data caricamento:
2017 01 22
MD5:
8a450e7f87931c017a0a7f7be4777a1f
Scaricamenti:
681

Informazioni

SECTION 1 - GENERAL INFORMATION Paragraph Page 1-1 Introduction ... 1-1 1-2 Description ... l-l 1-3 Accessories ... 1-1 1-4 Options ... 1-1 1-5 Specifications ... 1-1 SECTION 2 - INSTALLATION Paragraph Page 2-1 Introduction ... 2-1 2-2 Unpacking ... 2-1 2-3 Mounting ... 2-1 2-4 Power Requirements ... 2-1 2-5 Cable Connections ... 2-1 2-6 Preliminary Checkout ... 2-1 SECTION 3 - OPERATION Paragraph Page 3-1 Introduction ... 3-1 3-2 Operating Controls, Indicators, and Connectors.3-3 3-3 Local Operation 3-3 3-100 Remote (GPIB) Operation ... 3-5 3-101 Introduction 3-5 3-102 Local and Remote Operation ... 3-5 3-103 Setting the Bus Address ... 3-5 3-104 Terminating Characters 3-5 3-105 Listen Operation ... 3-6 3-106 Talk Operation ... 3-7 3-107 Error Messages 3-7 3-108 Device Clear 3-7 3-109 Service Request and Serial Poll ... 3-7 3-110 Device Trigger ... 3-7 3-111 Bus Commands ... 3-7 SECTION 4 - APPLICATIONS Paragraph Page 4-1 General ... 4-1 4-2 Power Meter Calibration ... 4-1 4-3 Attenuator Calibration ... 4-2 4-4 Amplifier Calibration ... 4-3 4-5 Output Impedance ... 4-3 4-6 Calibration at the End of a Cable ... 4-3 4-7 Interpretation of Uncertainties ... 4-3 SECTION 5 - THEORY OP OPERATION Paragraph Page 5-1 Introduction ... 5-1 5-2 Block Diagram Description ... 5-2 5-3 Control Board Description ... 5-2 5-4 Generator Assembly Description ... .5-5 SECTION 6 - MAINTENANCE Paragraph Page 6-1 Introduction ... 6-1 6-2 Safety Requirements ... 6-1 6-3 Test Equipment ... 6-1 6-4 Cleaning Procedure ... 6-2 6-6 Inspection ... 6-3 SECTION 6-100 - PERFORMANCE TESTS Paragraph Page 6-101 Introduction ... 6-101 6-102 Performance Verification, Method l ... 6-101 6-103 Performance Verification, Method 2 ... 6-105 SECTION 6-200 » ADJUSTMENTS Paragraph Page 6-201 Introduction ... 6-201 6-202 Power Up Reset Adjustment ... 6-201 6-203 Output Level Calibration, General ... 6-201 6-204 Output Level Calibration, Method 1 . . . . ... 6-201 6-205 Output Level Calibration, Method 2 ... 6-204 SECTION 6-300 - TROUBLESHOOTING Paragraph Page 6-301 Introduction . ... 6-301 6-302 Access to Boards and Assemblies ... 6-301 6-303 Troubleshooting Procedures ... 6-301 6-304 Power supply ... 6-302 6-305 Isolation to Assembly ... 6-302 6-306 Control Board Troubleshooting ... . 6-303 6-307 Generator Troubleshooting ... 6-303 SECTION 7 - PARTS LIST Pages 7-1 through 7-5 SECTION 8 - SCHEMATICS Pages 8-1 through 8-11

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