background image

vi

Summary of Contents for 863

Page 1: ...Model 863 Quad Timing Filter Amplifier Operating and Service Manual Printed in U S A ORTEC Part No 733960 0411 Manual Revision C ...

Page 2: ...that a Return Authorization Number can be assigned to the unit Also ORTEC must be informed either in writing by telephone 865 482 4411 or by facsimile transmission 865 483 2133 of the nature of the fault of the instrument being returned and of the model serial and revision Rev on rear panel numbers Failure to do so may cause unnecessary delays in getting the unit repaired The ORTEC standard proced...

Page 3: ...STRUCTIONS AND SYMBOLS iv SAFETY WARNINGS AND CLEANING INSTRUCTIONS v 1 INTRODUCTION 1 2 SPECIFICATIONS 2 2 1 PERFORMANCE 2 2 2 CONTROLS 2 2 3 INPUT 2 2 4 OUTPUT 2 2 5 ELECTRICAL AND MECHANICAL 2 3 INSTALLATION 3 4 CIRCUIT DESCRIPTION 3 ...

Page 4: ...s a hazard that could result in bodily harm if the safety instruction is not observed CAUTION Indicates a hazard that could result in property damage if the safety instruction is not observed Please read all safety instructions carefully and make sure you understand them fully before attempting to use this product In addition the following symbol may appear on the product ATTENTION Refer to Manual...

Page 5: ...the instrument during external cleaning use only enough liquid to dampen the cloth or applicator SAFETY WARNINGS AND CLEANING INSTRUCTIONS Cleaning Instructions To clean the instrument exterior Unplug the instrument from the ac power supply Remove loose dust on the outside of the instrument with a lint free cloth Remove remaining dirt with a lint free cloth dampened in a general purpose detergent ...

Page 6: ...vi ...

Page 7: ...c stability of the output is maintained by a continuous baseline restorer Several means of bandpass limiting are included to achieve the pulse shaping that yields the optimum time resolution With all jumpers in the Out position the Model 863 is a wide band amplifier with an output rise time 10ns To reduce low frequency noise and shorten the output pulse width the CR differentiation time constant c...

Page 8: ...onstant PWB jumper selectable as either Out equivalent to 0 1 ms or 200 ns A third position is available for custom modification The Model 863 is shipped with this jumper in the Out position INTEGRATION Time constant PWB jumper selectable as either Out or 50 ns A third position is available for custom modification In the Out position the 10 to 90 rise time is 10 ns The Model 863 is shipped with th...

Page 9: ...lection for setting differ entiation both jumpers should be set identically W4 Jumper selection for setting inte gration W5 Jumper selection for setting coarse gain The differentiation circuit follows the input stage and consists of a CR filter and a pole zero cancellation network Both jumpers W2 and W3 should be set when selecting the differentiation time constant Three differentiation time const...

Page 10: ...h quality ground 21 Spare G Ground guide pin 22 Reserved Pins marked are installed and wired in ORTEC s 4001A and 4001C Modular System Bins Bin Module Connector Pin Assignments For Standard Nuclear Instrument Modules per DOE ER 0457T using jumper W5 and is inverting The 863 is shipped with W5 in the 5 position The output driver stage is hybrid amplifier A5 This amplifier can drive 5 V into a 50 Ωl...

Reviews: