Equipment information

Boonton Electronic 8211 Level Meter
Manufacturer:
Model:
8211
Date:
1994
Category:
Group:
Description:
MODULATION METER

Information

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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Service and User Manual
Manual Type:
Service and User Manual
Pages:
106
Size:
3.84 Mbytes (4030043 Bytes)
Language:
english
Revision:
Manual-ID:
98403800A
Date:
1994 06 01
Quality:
Scanned document, reading partly badly, partly not readable.
Upload date:
2017 01 28
MD5:
4cf202e74fbba9efb056be6f04405a97
Downloads:
660

Information

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

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