Theory of Operation

Title Page

2-1. Introduction 2-3

2-2. Functional Block Description 2-3

2-4. Analog Measurement Processor 2-3

2-5. Input Protection Circuit 2-3

2-6. Input Signal Conditioning 2-3

2-8. Serial Communication (Guard Crossing) 2-3

2-9. Digital Kernel 2-5

2-10. Display Assembly 2-5

2-13. Detailed Circuit Description 2-5

2-14. Power Supply Circuit Description 2-5

2-16. 5-Volt Switching Supply 2-6

2-18. Analog Measurement Processor 2-7

2-19. Input Protection 2-10

2-20. Input Signal Conditioning 2-10

2-29. Diode/Continuity Test 2-15

2-30. Frequency 2-15

2-31. Active Filter 2-16

2-33. Serial Communication (Guard Crossing) 2-18

2-34. Digital Kernel 2-18

2-35. RS-232 Interface 2-19

2-36. Microprocessor 2-19

2-40. IEEE-488 Option Connections 2-20

2-41. Display Assembly 2-20

2-42. Main Assembly Connector 2-20

2-43. Front Panel Switches 2-20

2-45. Beeper Drive Circuit 2-21

2-46. Watchdog Timer and Reset Circuit 2-21

2-47. Display Controller with FIP 2-22

DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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