Equipment information
Boonton Electronic 2520 Calibrator
Manufacturer:
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Model:
2520
Date:
1988
Category:
Group:
Description:
RF Calibrator
Information
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.
Manual Type:
Service and User Manual
Pages:
84
Size:
3.71 Mbytes (3890400 Bytes)
Language:
english
Revision:
Manual-ID:
98101500A
Date:
1988 01 01
Quality:
Scanned document, all readable.
Upload date:
2017 01 22
MD5:
8a450e7f87931c017a0a7f7be4777a1f
Downloads:
681
Information
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