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HP References in This Manual This Manual May Contain Refere Errata Title & Document Type: Manual Part Number: Revision Date: HP References in this Manual This manual may contain references to HP or Hewlett-Packard. Please note that Hewlett- Packard's former test and measurement, semiconductor products and chemical analysis businesses are now part of Agilent Technologies. We have made no changes to this manual copy. The HP XXXX referred to in this document is now the Agilent XXXX. For example, model number HP8648A is now model number Agilent 8648A. About this Manual We’ve added this manual to the Agilent website in an effort to help you support your product. This manual provides the best information we could find. It may be incomplete or contain dated information, and the scan quality may not be ideal. If we find a better copy in the future, we will add it to the Agilent website. Support for Your Product Agilent no longer sells or supports this product. You will find any other available product information on the Agilent Test & Measurement website: www.tm.agilent.com Search for the model number of this product, and the resulting product page will guide you to any available information. Our service centers may be able to perform calibration if no repair parts are needed, but no other support from Agilent is available. MET6LoGY JAN 21 1986 thERATING AND SERVICE MANUAL i 434.2A. HEWLETT I?!! PACKARD COPYRIGHT AND DISCLAIMER NOTICE Copyright - Agilent Technologies, Inc. Reproduced with the permission of Agilent Technologies Inc. Agilent Technologies, Inc. makes no warranty of any kind with regard to this material including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Agilent Technologies, Inc. is not liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material or data. CERTI FI CATI 0 N, The Hewlett-Packard Company certifies that this instrument was thoroughly tested and inspected and found to meet its published specifications when it was shipped from the factory. The Hewlett- Packard -Company further certifies that its calibration meusure- ments are traceable to the U.S. National Bureau of Standards to the extent allowed by the Bureau’s calibration facility. WARRANTY AND ASSISTANCE All Hewlett-Packard products are warranted against defects in materials and workmanship. This warranty applies for one year from the date of delivery, or, in the case of certain major compo- nents listed in the operating manual, for the specified period. We will repair or replace products which prove to be defective during the warranty period provided they are returned to Hewlett- Packard. No other warranty is expressed or implied. We are not liable for consequential damages. Service contracts or customer assistance agreements are available for Hewlett-Packard products that require maintenance and re- pair on-site. For any assistance, contact your nearest Hewlett-Packard Salesand Service Office. Addresses are provided at the back of this manual. OPERATING AND SERVICE MANUAL MODEL 4342A Q METER SERIAL NUMBERES COVERED This manual applies directly to Model 43428 Q Meter with serial prefixed 12125. Backdating changes in SectionVII cover instruments with serials 12125-00590 and below. Instruments with higher serial prefix will be covered in an Updating Manual Supplement at the first of the manual. OPTIONS COVERED This manual cover-es Option 001 instruments as well as the standard instrument. aCOPYRIGHT: YOKOGAWA-HEWLETT-PACKARD, LTD., 1970 9-1, TAKAKURA-CHO, HACHIOJI-SHI, TOKYO, JAPAN Manual Part No. 04342-90009 Microfiche Part No. 04342-90059 Printed: MAR. 1983 HEWLETT PACKARD Table of Contents Model 4342A TABLE OF CONTENTS Section Title Page I GENERAL INFORMATION ................................... 1-I l-l. Introduction.. ....................................... l-l 1-3. How the 4342A Measures ............................. l-2 l-8. Instruments Covered by Manual ....................... l-2 1-13. Specifications ....................................... l-3 1-15. Accessories Supplied ................................ 1-3 1-17. Accessories Available ............................... I-3 l-19. Options.. ........................................... l-3 II INSTALLATION ........................................... 2-l 2-l. Introduction ......................................... 2-i 2-3. Initial Inspection ..................................... 2-l 2-4. Mechanical Check .............................. 2-I 2-6. Performance Check ............................. 2-I 2-8. Damage Claim ................................. i:: 2-11. Storage and Shipment ................................. 2-12. Packaging ..................................... 2-l 2-13. Environment ................................... 2-I 2-14. Power Connection .................................... i-t 2-15. Line Voltage ................................... - 2-16. Power Cable ................................... 2-1 III OPERATION ........................................................................................ ;-; 3-l. Introduction - 3-3. Panel Controls, Connectors and Indicators ............. 3-l 3-5. Q Measurement General .............................. 3-l 3-8. Go/No-Go Function .................................. 3-l 3-10. Measurement Terminals .............................. 3-5 3-12. How to Connect Unknown .............................. 3-5 3-14. Measurement Parameters and Connection Methods ...... 3-5 3-16. Direct Method Limitations ....................... 3-5 3-18. Expansion of Measurement Ranges ............... 3-6 3-20. Capacitance Measurement ....................... 3-6 3-22. Resistance Measurement ........................ 3-6 3-24. High Q Measurement ........................... 3-7 3-26. Supplemental Equipment Used in Parallel and Series Methods ......................... 3-7 3-30. Basic Q Meter Measurements ......................... 3-11 3-31. Quality Factor and Inductance Measurements (Direct Connection) ........... 3-11 3-33. Q Measurement ................................ 3-11 3-35. dQ Measurement ............................... 3-12 3-37. Inductance Measurement ........................ 3-12 3-39. Inductance Measurement (at a desired frequency). .. 3-13 3-41. Measurement Requiring Corrections ................... 3-13 3-42. Effects of Distributed Capacitance ................ 3-13 3-45. Measuring Distributed Capacitance (Preferred Method) ......................... 3-14 3-47. Measuring Distributed Capacitance (Approximate Method, Cd IlOpF) ............ 3-15 3-49. Correction for Q ............................... 3-16 3-55. Parallel and Series Connection Measurement Methods ... 3-1’7 3-56. General ....................................... 3-17 3-60. Additional Error Discussion ................... 3-17 3-64. Parallel Measurements ............................... 3-18 3-65. High Inductance Measurement .................... 3-18 3-67. Low CapacitanceMeasurement (~45OpF) .......... 3-19 3-69. High Resistance Measurement ................... 3-20 3-71. Dielectric Measurement ........................ 3-21 Model 43426 Table of Contents Section Title Page 3-73. Series Measurements ................................ 3-23 3-74. Low Inductance Measurement .................... 3-23 3-76. High Capacitance Measurement (>450pF) ......... 3-24 3-78. Self-resonant Frequency Measurement of High Capacitors .......................... 3-24 3-80. Low Resistance Measurement .................... 3-26 IV THEORY OF OPERATION ................................... 4-l 4-l. Introduction.. ....................................... 4-1 4-3. Q Determination and Measurement ..................... 4-l 4-6. Simplified Block Diagram ............................. 4-l 4-8. Block Diagram Description ........................... 4-l 4-10. Oscillator and Impedance Converter (AlAl) ....... 4-l 4-12. RF Power Amplifier (AlA2) ..................... 4-l 4-14. ALC Amplifier (P/O A8) ........................ 4-2 4-16. Q/AQ Range Attenuator (A3) ..................... 4-2 4-18. Tuning Capacitor and Injection Transformer (A2). .. 4-2 4-21. RF Amplifier and Detector (A5) .................. 4-2 4-24. DC Amplifier (A6) .............................. 4-2 4-26. Q Limit Selector (A7) ........................... 4-2 4-28. Circuit Details ...................................... 4-2 4-29. LC Oscillator (P/O AlAl) ....................... 4-2 4-31. Impedance Converter (P/O AlAl) and RF Power Amplifier (AlA2) .... 4-3 4-33. ACL Amplifier (P/O A8) ........................ 4-3 4-35. Q Range Attenuator (A3) ........................ 4-3 4-37. Impedance Converter, RF Amplifier and Detector (A5) ...... 4-3 4-39. DC Amplifier (A6) .............................. 4-3 4-41. Q Limit Selector (A7) ........................... 4-3 4-43. Power Supply (P/O ~8) ......................... 4-3 V MAINTENANCE ............................................ 5-l 5-l. Introduction ......................................... 5-l 5-3. Test Equipment Required ............................. 5-l 5-5. Q Accuracy Considerations ........................... 5-l 5-7. Option .............................................. 5-l 5-9. Performance Checks ................................. 5-3 5-11. Frequency Accuracy Check.. .................... 5-3 5-12. QRange Check.. ............................... 5-3 5-13. AQ Range Check ............................... 5-4 5-14. Capacitance Accuracy Check .................... 5-4 5-15. Q Limit Operation Check ........................ 5-5 5-16. Adjustment and Calibration Procedures ................ 5-8 5-18.
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