|Fairchild Instrumentation 765 Oszilloskop|
The Fairchild Types 765, 766, and 767 Family of Oscilloscopes are available in three basic form factors: bench, rack, and portable models. The Portable Models are identified by the Type 765 numerical Series; the Bench Models by the Type 766 numerical Series, and the Rack-mounted Models by the Type 767 numerical Series. In addition, there are alphabetical suffixes appended to the numerical series to identify special electronic circuits. The suffix H denotes the high-voltage Oscilloscope with an accelerating potential of 13 Kv. The low voltage option is 5 Kv and these series oscilloscopes are identified by the absence of the H alphabetical suffix. The suffix H/F denotes the high-voltage, high-frequency model. These models are provided with the Type 7062 CRT Termination Network to enable them to accommodate the Type 79-02A DC to 100 Me Plug-In Amplifier. The suffix M denotes the militarized model. Further details for all of the models are listed in the Specifications. Since the electrical circuits are identical in all models except for minor differences, discussion will be confined to the Type 766H Series Oscilloscope. All references to the Type 766H Series will be equally applicable to the other models unless otherwise indicated. To simplify discussion, the Type 766H Series Oscilloscope may be categorized into three basic Series: (1) Low-voltage, (2) High-voltage, and (3) High Frequency. 1. The following models comprise the low-voltage Series: Type 765, 765M, 766, 766M, 767, and 767M 2. The following models comprise the high-voltage Series: Type 765H, 765MH, 766H, 766MH, 767H, 767MH 3. The following models comprise the high-frequency Series:* Type 765H/F, 765MH/F, 766H/F, 766MH/F, 767H/F, & 767MH/F *Note: These oscilloscopes are electrically identical to the high-voltage series except for the addition of the high-frequency CRT Termination Network. Separate manuals are provided for each of the plugin units. If desired, these manuals may be inserted into the same binder supplied with your Indicator unit. 1-2. FEATURES The Fairchild Type 766H Family of Oscilloscopes consists of an Indicator Unit and any two of a number of available Plug-In modules. The Indicator Unit contains the power supplies, a cathode-ray tube with associated circuitry, and an internal amplitude Calibrator. The Plug-In modules take the place of the vertical and horizontal deflection systems of a conventional oscilloscope, and their outputs are connected directly to the deflection plates of the cathode-ray tube. All plug-ins in the Type 74-00 and 76-00 Series may be used universally in the Oscilloscope. The Plug-In modules may be selected to give a degree and type of performance demanded of them by the particular application for which they are to be used. • 13 Kv accelerating potential (low-voltage option: 5 Kv) " ' ' ’ ' • Quality display area of 6 cm by 10 cm • Three basic Main Frames available: Portable (Type 765-), Bench (Type 766-) and Rackmounted (Type 767-) • Silicon solid state circuitry • Dual Plug-In capability (DC to 100 Me) with all High Frequency or H/F Models • Z-axis input provided on all bench and rackmounted models • Illuminated internal graticule optionally available • Silicon transistors and fully regulated electronic power supplies, assure maximum drift stability and long-term reliability
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|Fairchild Instrumentation -- 765 -- Service- und Bedienungsanleitung|
|Dokumenttyp:||Service- und Bedienungsanleitung|
|Dateigröße:||19.05 Mbytes (19971401 Bytes)|
|Datum:||01 Januar 1965|
|Qualität:||Gescanntes Dokument, teilweise schwer oder teilweise nicht zu lesen.|
|Upload Datum:||07 Mai 2017|
|Downloads:||3033 seit dem 07 Mai 2017|
'I. TECHNICAL SUMMARY 1-1 Introduction ... 1-1 1-2 Features ... 1-1 1-3 List of Recommended Accessories ... 1-3 1-5 Type 765MH Technical Data ... 1-7 2. OPERATING INSTRUCTIONS 2-1 Introduction ... 2-1 2-2 Preliminary Information ... 2-1 2-3 Power Requirements ... 2-1 2-4 Operating Instructions ... 2-1 2-5 Beam Brightening Switch ... 2-4 3. CIRCUIT DESCRIPTION 3-1 Introduction ... 3-1 3-1 Circuit Description for Low Voltage Regulated Supplies ... 3-1 3-3 CRT Circuit ... 3-1 3-4 Normal Sweep Unblanking ... 3-3 3-5 Fast Single Sweep Unblanking ... 3-3 4. PERFORMANCE ASSURANCE TEST 4-1 Maintenance Check to Assure Performance ... 4-1 4-2 Checking the Power supply ... 4-1 4-3 Check Ripple of Low-Voltage Supplies ... 4-1 4-4 Calibrator Check ... 4-2 5. MAINTENANCE AND RECAUBRATION 5-1 Introduction ... 5-1 5-2 Removal and Replacement of Parts ... 5-1 5-3 Cathode-Ray Tube Replacement ... 5-2 5-4 Servicing Hints ... 5-2 5-5 Trouble Shooting the Power supply ... 5-3 5-6 Trouble Shooting the CRT Circuit ... 5-3 5-7 Test Equipment Required for Service Adjustments ... 5-4 5-8 Adjusting the Low-Voltage Power Supplies ... 5.4 5-9 High-Voltage Adjustment ... 5-4 5-10 CRT Adjustments ... 5-4 5-11 Setting Main Frame Capacity for LV and HV Series Only ... 5-10 5-12 Type 7062 CRT Termination Network (HF Series Only) ... 5-10 5-13 Supplement for Type 766H Mod 102 Oscilloscope ... 5-13 Section Title 6. PARTS LISTS AND SCHEMATICS 6A Electrical Parts List ... 6-1 6B Spare Parts List ... 6-5 . List of Recommended Vendors ... 6-7 ILLUSTRATIONS Figure T itle page 1-1 Fairchild Type 766H Transistorized Oscilloscope ... 1-0 1-2 Type 765H Portascope ... 1-2 1-3 Type 765 Portascope with Complete Carrying Case ... 1-2 1-4 Type 766 H. Bench Model ... 1-2 1-5 Type 767H Rack Model ... 1-2 1-6 Type 7085A Rack Slide Set to 90° with Type 767H Oscilloscope Installed ... 1-5 1-7 Type 767H Oscilloscope Showing Clearance Dimension for Installation of Type 7085A Rack Slides and Type 7078 Kit for Flush Mounting ... 1-6 1-8 Type 767H Oscilloscope Showing Clearance Dimension for Installation of Type 7085A Rack Slides (Standard Installation) . 1-6 1-9 Type 765MH ... 1-7 2-1 Type 766H Solid State Oscilloscope, Front-Panel Facilities ... 2-2 2-2 Type 766H Calibrator Display ... 2-3 2-3 Single Sweep Unblanking Vs Sweep Speed ... 2-4 3-1 Type 766 H Series +200V and +100V Regulators, Functional Block Diagram ... 3-2 3-2 Type 766H Series +50V and ~50V Regulators, Functional Block Diagram ... 3-2 5-1 Type 766H Over-all System Functional Block Diagram ... 5-1 5-2 Rear View Showing Transistors and CRT ... 5-5 5-3 Rear View Showing Fuses, Switch and Diodes ... 5-6 5-4 Top View of Chassis Showing Test Points, Transistors and Adjustments ... 5-7 5-5 Right Oblique View Showing X & Y Peaking Trimmers ... 5-9 5-7 Installation Instructions ... 5-11 5-8 Installation Instructions ... 5-12 5-9 Type 7062 Interconnecting Diagram ... 5-13 5-10 Test Setup for Peaking Adjustment ... 5-14
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