Geräte Informationen

Boonton Electronic 8211 Level Meter
Hersteller:
Boonton Electronic
Modell: 8211
Datum: 1994
Kategorie: Messgeräte
Gruppe: Level Meter
Beschreibung: MODULATION METER
Informationen:
                                    The Model 8211 is a precise, versatile, solid-state
instrument with features and performance characteristics
especially suited to laboratory and industrial applications.
It covers a frequency range of 2 MHz to 1J> GHz. Human
engineering considerations have been emphasized in both the
mechanical and electrical design of the Model 8211. The
result is a modulation meter that is easy and convenient to
use, despite its flexibility. Among the outstanding features:
• Automatic tuning and leveling. The Model 8211 can
automatically acquire the largest signal present at the RF
IN connector and adjust its local oscillator and measurement
channel gain to provide a calibrated display of amplitude or
frequency modulation.
• Internal Calibration. The Model 8211 contains precision AM
and FM calibrators that can be activated from the front
panel to calibrate the modulation detectors.
• Low Residual Modulation. Low modulation residuals provide
excellent measurement accuracy with low noise sources.
Additionally, active peaJk detectors insure exceptional
baseband detection linearity so that residuals may be easily
discounted for enhanced measurement accuracy.
• IEEE-488 Bus Interface. The Model 8211 is supplied with an
IEEE-488 interface. This interface allows connection to
remote computers and other instruments.

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Dokumenttyp: Service- und Bedienungsanleitung Boonton-8606-Manual-Page-1-Picture
Seitenanzahl: 106
Dateigröße: 3.84 Mbytes (4030043 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer: 98403800A
Datum: 01 Juni 1994
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Informationen:
SECTION I - GENERAL INFORMATION
1-1.
INTRODUCTION............................................................................................................................1-1
1-3.
DESCRIPTION.................................................................................................................................1-1
1-6. ITEMS
FURNISHED.......................................................................................................................1-1
1-7.
OPTIONS...........................................................................................................................................1-1
1-8.
ACCESSORIES.................................................................................................................................1-1
1-10. PERFORMANCE
SPECIFICATIONS...........................................................................................1-2
1-12. OUTLINE
DIMENSIONS................................................................................................................1-2
SECTION n - INSTALLATION
2-1.
INTRODUCTION.............................................................................................................................2-1
2-3.
UNPACKING....................................................................................................................................2-1
2-5.
MOUNTING......................................................................................................................................2-1
2-8. POWER FAIL
PROTECTION.......................................................................................................2-2
2-10. CABLE
CONNECTIONS.................................................................................................................2-2
2-12. PRELIMINARY CHECK.
.........................................................................................................2-2
SECTION III - OPERATION
3-1.
GENERAL.........................................................................................................................................3-1
3-3. OPERATING CONTROLS, DISPLAYS, AND
CONNECTORS...............................................3-1
3-5. GETTING
STARTED.......................................................................................................................3-1
3-8. DISPLAYS (Figure 3-1)
...............................................................................................................3-1
3-12. FILTER KEYS (Figure
3-4)..........................................................................................................3-5
3-15. PEAK KEYS (Figure
3-4)...............................................................................................................3-5
3-17. FUNCTION KEYS (Figure 3-4)
................................................................................................3-5
3-20. RANGE KEYS (Figure
3-4)..........................................................................................................3-5
3-22. SHIFTED
KEYS................................................................................................................................3-5
3-27. DISPLAYED
MESSAGES...............................................................................................................3-6
3-33. FRONT PANEL
CONNECTORS....................................................................................................3-6
3-38. REAR PANEL
CONNECTORS......................................................................................................3-6
3-40 SELECTING MODULATION
MODE...........................................................................................3-7
3-44. MEASUREMENT AND DISPLAY
CONTROL...........................................................................3-7
3-46. PEAK
DETECTORS........................................................................................................................3-7
3-50.
FILTERS.............................................................................................................................................3-7
3-55. APPLICATION
NOTES....................................................................................................................3-7
3-57. FM
MEASUREMENTS...................................................................................................................3-8
3-62. AM
MEASUREMENTS.................................................................................................................3-8
3-64. SPURIOUS
RESPONSES................................................................................................................3-8
3-69. EXTENDED CARRIER
RANGE..................................................................................................3-11
3-71. ADDITIONAL
APPLICATIONS....................................................................................................3-11
3-73. REMOTE
OPERATION................................................................................................................3-11
3-75. SETTING THE BUS
ADDRESS.....................................................................................................3-11
3-76. SETTING THE END-OF-STRING
CHARACTER......................................................................3-11
3-77. ENTERING THE REMOTE
MODE.............................................................................................3-12
3-78. RETURNING TO LOCAL
MODE.................................................................................................3-12
3-79. RIGGERED
OPERATION........................................................................................................
. 3-12
3-80. TALK
OPERATION........................................................................................................................3-12
3-81. ALK ERROR (TE)
MODE..............................................................................................................3-12
3-82. TALK FUNCTION (TF)
MODE.....................................................................................................3-12
3-83. ALK VALUE (TV)
MODE.............................................................................................................3-12
3-84. IDENTIFY (ID) MODE. .
.......................................................................................................3-12
3-85. USING "SERVICE REQUEST (SRQ).
..................................................................................3-13
3-86. SETTING THE SRQ MASK,
.....................................................................................................3-13
3-87. BUS COMMAND
RESPONSES......................................................................................................3-14
3-88. PROGRAM FUNCTION
MNEMONICS......................................................................................3-14
3-89. NUMBER
FORMATTING..............................................................................................................3-14
3-90. DATA STRING
FORMAT...............................................................................................................3-14
3-91. DATA STRING
ERRORS.................................................................................................................3-15
3-92. DATA STRING EXAMPLES.
......................................................................................................3-15
3-93. READING BACK CALIBRATION
VALUES...............................................................................3-15
SECTION IV - THEORY OF OPERATION
4-1.
GENERAL.........................................................................................................................................4-1
4-3. FUNCTIONAL BLOCK DIAGRAM (Figure
4-1.)....................................................................4-1
4-13. THEORY OF OPERATION, RF
CIRCUITS.............................................................................4-2
4-25. THEORY OF OPERATION, IF
CIRCUITS..............................................................................4-4
4-33. THEORY OF OPERATION, AF
CIRCUITS..............................................................................4-5
4-40. THEORY OF OPERATION, LOGIC
CIRCUITS....................................................................4-7
4-54. THEORY OF OPERATION, CALIBRATOR
CIRCUITS.....................................................4-8
4-56.
DISCUSSION..................................................................................................................................4-8
4-58. FM CALIBRATION
....................................................................................................................4-8
4-65. AM
CALIBRATION....................................................................................................................4-9
4-75. THEORY OF OPERATION, POWER SUPPLY
CIRCUITS......................................................4-12
SECTION V - PERFORMANCE TESTS
5-1.
GENERAL.....................................................................................................................................5-1
5-3. EQUIPMENT
REQUIRED...........................................................................................................5-1
5-5. TEST
RECORD..................................".......................................................................................5-1
5-7. CALIBRATION
INTERVAL......................................................................................................5-1
5-9. INITIAL CALIBRATION
..........................................................................................................5-1
5-11.
PROCEDURE.............................................................................................................................5-1
5-12. DESCRIPTION, PERFORMANCE TEST
1.............................................................................5-5
5-14. PROCEDURE
.........................................................................................................................5-5
5-15. DESCRIPTION, PERFORMANCE TEST
2.............................................................................5-7
5-17. PROCEDURE
.............................................................................................................................5-7
5-18. DESCRIPTION, PERFORMANCE TEST
3.............................................................................5-9
5-20. PROCEDURE
.............................................................................................................................5-9
5-21. DESCRIPTION, PERFORMANCE TEST
4.............................................................................5-10
5-23. PROCEDURE
.............................................................................................................................5-10
5-24. DESCRIPTION, PERFORMANCE TEST
5.............................................................................5-12
5-26. PROCEDURE
.............................................................................................................................5-12
5-27. DESCRIPTION, PERFORMANCE TEST
6..............................................................................5-13
5-29. PROCEDURE
.............................................................................................................................5-13
5-30. DESCRIPTION, PERFORMANCE TEST
7..............................................................................5-15
5-32. PROCEDURE
.............................................................................................................................5-15
SECTION VI - MAINTENANCE
6-1.
INTRODUCTION............................................................................................................................6-1
6-3. SAFETY
REQUIREMENTS...........................................................................................................6-1
6-5. REQUIRED TEST
EQUIPMENT..................................................................................................6-1
6-7. CLEANING
PROCEDURE.............................................................................................................6-1
6-9. MAJOR ASSEMBLY
LOCATION..................................................................................................6-1
6-11. REMOVAL OF MAJOR ASSEMBLIES AND
PARTS................................................................6-1
6-12. NSTRUMENT
COVERS..................................................................................................................6-1
6-13. RF ASSEMBLY
COVER..................................................................................................................6-4
6-14. RF PRINTED CIRCUIT
BOARD...................................................................................................6-4
6-15. IF/AF
BOARD...................................................................................................................................6-4
6-16. REAR PANEL
ASSEMBLY............................................................................................................6-4
6-17. DIGITAL CIRCUITS AND POWER SUPPLY
BOARD.............................................................6-5
6-18. CAINING ACCESS TO DISPLAY
BOARD..................................................................................6-5
6-19. CHANGING INSTRUMENT
FIRMWARE...................................................................................6-6
6-20. INSTRUMENT TEST
SWITCH.......................................................................................................6-6
6-21. REMOVAL OF DETAIL
PARTS..................................................................................................6-6
6-22. PRELIMINARY
CHECKS..............................................................................................................6-7
6-23. VISUAL
CHECKS............................................................................................................................6-7
6-24. POWER SUPPLY
CHECKS.............................................................................................................6-7
6-25.
TROUBLESHOOTING...................................................................................................................6-7
6-30. TROUBLE
LOCALIZATION......................................................................................................6-7
6-33. TROUBLESHOOTING, POWER SUPPLY
CIRCUITS..............................................................6-8
6-34.
GENERAL........................................................................................................................................6-8
6-35. EQUIPMENT REQUIRED. .
......................................................................................................6-8
6-36.
PROCEDURE...................................................................................................................................6-8
6-37. + 5V LOGIC (U5-PIN
22).................................................................................................................6-8
6-38. +5VA ANALOG
(TP9)....................................................................................................................6-8
6-39. + 15V
(TP6)........................................................................................................................................6-9
6-40. -15V
(TP7).........................................................................................................................................6-9
6-41. -7.5V
(TP7)..........................................................................................................................................6-9
6*42. TROUBLESHOOTING, LOGIC
CIRCUITS............................................................................6-10
6-43.
GENERAL.........................................................................................................................................6-10
6-44. EQUIPMENT
REQUIRED.............................................................................................................6-10
6-45.
PROCEDURE.............................................................................................................................
• 6-10
6-46. CLOCK AND
TIMING....................................................................................................................6-10
6-47. RESET AND POWER
FAIL.................................................................................................
. 6-10
6-48. CPU AND
MEMORY.......................................................................................................................6-10
6-49. IEEE-488
CONTROLLER................................................................................................................6-11
6-50. BATTERY
REPLACEMENT......................................................................................................6-12
6-51. TROUBLESHOOTING, RF
CIRCUITS.........................................................................................6-13
6-52.
GENERAL.........................................................................................................................................6-13
6-53. EQUIPMENT
REQUIRED.............................................................................................................6-13
6-54. PROCEDURE.
..............................................................................................................................6-13
6-55.
OSCILLATOR...................................................................................................................................6-13
6-56. PULSE
GENERATOR....................................................................................................................6-14
6-57. RF INPUT AND
SAMPLER...........................................................................................................6-14
6-58. FREQUENCY CONTROL
CIRCUITS.........................................................................................6-14
6-59. OSCILLATOR,
DIGITAL...........................................................................................................6-15
6-60. FREQUENCY CONTROL,
DIGITAL............................................................................................6-15
6-61. TROUBLESHOOTING, IF
CIRCUITS..........................................................................................6-16
6-62.
GENERAL........................................................................................................................................6-16
6-63. EQUIPMENT
REQUIRED............................................................................................................6-16
6-64.
PROCEDURE...................................................................................................................................6-16
6-65. TROUBLESHOOTING, AF
CIRCUITS.........................................................................................6-18
6-66. GENERAL.
................................................................................................................................6-18
6-67. EQUIPMENT
REQUIRED.............................................................................................................6-18
6-68.
PROCEDURE...................................................................................................................................6-18
6-69. AF CIRCUITS,
VOLTMETER......................................................................................................6-20
6-70. AF CIRCUITS,
DIGITAL.................................................................................................................6-20
6-71. TROUBLESHOOTING, CALIBRATOR
CIRCUITS...................................................................6-20
6-72.
GENERAL......................................................................................................................................6-20
6-73. EQUIPMENT
REQUIRED...............................................................................................................6-20
6-74.
PROCEDURE...................................................................................................................................6-21
6-75.
ADJUSTMENTS................................................................................................................................6-22
6-76. EQUIPMENT
REQUIRED..............................................................................................................6-22
6-77. PROCEDURE.
...............................................................i..........................................................6-22
Paragraph Page
SECTION vn - PARTS LIST
7-1.
INTRODUCTION............................................................................................................................7-1
SECTION vm - SCHEMATIC DIAGRAMS
Boonton-8606-Manual-Page-1-Picture


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