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Nachfolgend ist das Service-Manual abgebildet, welches die US-Army für dieses Gerät herausgegeben hat. Möglicherweise sind hier zusätzliche Informationen verfügbar.
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TM 11-6625-2980-14 TECHNICAL MANUAL OPERATOR'S, ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL PULSE GENERATOR AN/USM-359A (NSN 6625-01-077-4620) (TEKTRONIX MODEL PG 508 WITH TM 503) HEADQUARTERS, DEPARTMENT OF THE ARMY 27 MARCH 1981...
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TM 11-6625-2980-14 SAFETY SUMMARY This manual contains safety information which the user must follow to ensure safe operation of this instrument. WARNING information is intended to protect the operator; CAUTION information is intended to protect the instrument. The following general safety precautions must be observed during all phases of operation, service, and repair of this instrument.
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TM 11-6625-2980-14 This manual contains copyright material reproduced b)y permission of Tektronix. Inc. TECHNICAL MANUAL HEADQUARTERS DEPARTMENT OF THE ARMY No. 11-6625-2980-14 WASHINGTON, DC, 27 March 1981 OPERATOR'S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL GENERATOR, PULSE AN/USM-359A (TEKTRONIX MODEL PG 508 WITH TM 503)
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TM 11-6625-2980-14 TABLE OF CONTENTS Page Page Section 0 INTRODUCTION APPENDIX A TM 503 MAINFRAME Section I. INSTALLATION PROCEDURE SECTION 1 OPERATING INSTRUCTIONS Instrument Description Section II. TM 503 OPERATING INSTRUCTIONS Installation and Removal Introduction BASIC OPERATION Powering Up Period and Duration Selection Building a System Duty Factors Specifications...
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PG 508 power supply schematic diagram. 4-21 burst operation.1-6 FO-12 TM 503 power supply schematic diagram. 4-23 Typical propagation delays using PG 508 with Al board component locations. DD 501 in counted burst mode at 50 MHz FO-13 A2 board component locations. repetition rate.
359A and provides instructions for operation and NA.VSUPI NST 4610.33B/AFR 75-18/MCO P4610.19C maintenance. Throughout this manual, and DLAR 4500.15. 1178/USM-359A is referred to as Tektronix Model PG 508 and PP-7578/USM 359A is referred to as TM 503. Reporting Equipment Improvement Recommendations (EIR) Indexes of Publications If your AN/USM-359A needs improvement, let us a.
PG 508. Check that the PG 508 is fully synchronous gate input with level and slope controls, inserted in the power module. Pull the power switch on square wave output and complementary pulse output for the power module.
TM 11-6625-298014 or a 500pF capacitor. If a polarized capacitor is BASIC OPERATION used, observe the correct polarity. Use at least a 6 V rated capacitor. Connect this capacitor as shown in Fig. Period and Duration Selection 1-2. The period generator operates, in all modes except Duty Factors EXT TRIG or MAN, at a rate set by the PERIOD range switch and variable control.
±30 V. when the PG 508 is operating into a 50 ( load. The For external gating select the desired period and OUTPUT (VOLTS) controls are interlocked to prevent duration.
OPERATING CONSIDERATIONS Output Termination’s and Connections The PG 508 operates as a voltage source in series Control Settings Operation with an internal 50 n( impedance. Maximum pulse...
PRESET button (PRESET), place This application permits pre-selecting the number of the PERIOD switch in the EXT TRIG OR MAN position, output pulses from the PG 508. The event is initiated by DURATION NORM an externally applied signal or pulse, 5 ns or longer. The COMPLEMENT switch in the NORM position (out).
COUNT setting. To determine the number of extra lights on the DD 501 and the TRIG'D/GATED light on pulses for a given PG 508 period, set the PG 508 and the PG 508 will be off until the DD 501 is triggered.
TM 11-6625-2980-14 Definitions of Pulse Characteristics The following Flatness. The absence of long term variations to is a glossary of common pulse characteristics used in the pulse top; excluding overshoot, ringing or pulse this manual. They are illustrated in Fig. 1-8. rounding.
TM 11-6625-2980-14 Pulse Duration. The time interval between the Risetime. The time interval, at the step function leading and trailing edge of a pulse at which the leading edge, for the pulse to rise from the 10% to 90% instantaneous amplitude reaches 50% of the peak pulse amplitude levels.
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TM 11-6625-2980-14 Source Off: (Logic False) TRIG/GATE IN input potential below TRIG/GATE LEVEL with + SLOPE Impedance: 50 .Ω selected above TRIG/GATE LEVEL with - SLOPE selected. Duty Cycle: Internal Trig- Synchronous Gate: Rate generator starts gering -50%. synchronously with external gating signal and completes the last output pulse.
TM 11-6625-2980-14 Environmental Requirements. following extended, lifting the front panel for ease in reading or adjusting controls. However, under difficult operating paragraphs describe environmental operating conditions for the pulse generator. conditions (such as limited space), the pulse generator may be used in other positions without impairment of the electrical characteristics, including setting the The pulse generator can be operated where the cabinet on the four protective bumpers on the rear...
Use the connections to make socket on the board Install a twelve inch cable with the custom inputs or outputs to the PG 508 through the proper connectors, Tektronix Part No 175-1827-00, from Power Module...
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Assignments listed for pin 1A - 13A and 1B - 13B are available in all power modules; however only those pins marked with an asterisk (*) are used by the PG 508. Those connections marked with a double asterisk (**) are the only connections used on the E board.
+5 V is applied to pin 4 of U70A. This gate is PG 508. now inhibited and the signal passes through U70C. As the outputs of U70A and C are connected together, a Input Circuitry high on either output overrides the low.
TM 11-6625-2980-14 Period Generator generator with about a 10 ns trigger pulse under all input This circuitry generates the internal period timing conditions The positive-going trigger pulse, at pin 5 of U300A, waveform. In this mode, U140B operates as an a stable causes pin 3 to go low and pin 2 high.
TM 11-6625-2980-14 12 goes high during the pulse duration time and if pin 13 linear rate until the diode CR600 turns on. This diode is low, pin 15 goes high and pin 14 low. Pin 13 controls serves as the negative clamp. The voltage at the anode U400C in the square wave and external duration modes.
TM 11-6625-2980-14 Fig . 2-1 . Simplified schematic for CONTROL ERROR Indicator logic with control settings causing Illumination . proximately the same amount as the circuitry in the flip flop U720B (waveform driving the transition time variable transition time generator. The positive-going board) goes positive (end of pulse), the high on D input, waveform from pin 14 of U740C is fed through pin 6 to pin 10, transfers to the output, pin 15, and the...
TM 11-6625-2980-14 pulse is slow enough so that the D input of flip flop Both control voltages range U720A has not reached the high level when the pulse at between 0 and +5.2 V. When the control voltages are the clock terminal (pin 6) of flip flop U720A goes high equal, the Y input is zero and the multiplier signal output (leading portion of the next pulse driving the transition (X.Y) equals zero.
TM 11-6625-2980-14 variations and dc offset currents are summed at the tracking supply is +6 to +26 V, with a -6 to -26 V range collectors of Q945 and 0954, the output pulse high level for the negative supply. changes to maximum voltage and the low level remains at OV.
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TM 11-6625-2980-14 to the mainframe transistor used as the series pass the positive direction, the collector of 01255 goes element, until the inverting and non-inverting inputs are negative This increases current flow through Q1280 and approximately equal. At this condition, the series pass therefore the series pass transistor in the mainframe transistor drops the voltage from the raw supply until the which raises the + tracking supply voltage to the output...
The overline on a signal name indicates that the signal performs its intended function when it goes to the low state. Abbreviations are based on ANSI Y1.1-1972. Other ANSI standards that are used in the preparation of diagrams by Tektronix, Inc. are: Y14.15, 1966 Drafting Practices.
General first remove the four screws on the plug-in rear panel Adjustments for the PG 508 are described below. For and remove the panel. Next remove the TRANSITION complete calibration procedures, refer to TB 11-6625 TIME knob.
TM 11-6625-298014 Section 5-PG 508 REPLACEABLE MECHANICAL PARTS PARTS ORDERING INFORMATION Attaching Parts always appear in the same indentation the item it mounts, while the detail parts are indented to the right. higher For complete part information, refer to TM 11-6625-2980-24P. Indented items are part of, and included with, the next...
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TM 11-6625-2980-14 FO-16 Index 1 2 3 4 5 Name & Description SHIELD,ELEC: SIDE COVER,PLUG-IN:TOP AND BOTTOM (ATTACHING PARTS) SCREW,MACHINE:6-32 X 0.188 INCH,PNH STL - - - * - - - KNOB,LATCH: (ATTACHING PARTS) PIN,KNOB SECRG:0.094 OD X 0.120 INCH LONG - - - * - - - KNOB:GRAY •...
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TM 11-6625-2980-14 FO-16 Index Qty 1 2 3 4 5 Name & Description BASE,LAMPHOLDER:0.29 OD X 0.19 CASE LAMPHOLDER:WHITE PLASTIC WASHER,FLAT:0.265 ID X 0.375 OD INCH AL LAMP,LED: (DS110 AND DS1250) EPL LAMP,LED: (DS500 ) SHIELD,ELEC:REAR SUBPANEL CKT BOARD ASSY:AUXILLARY(A5) •...
TM 11-6625-2980-14 APPENDIX A Section I. INSTALLATION PROCEDURE Before you start... 1. Check the rear panel markings. If the factory settings are compatible with the available line voltage and frequency, insert the desired plug-ins. Use the bail to raise the front of the instrument..go to Operating Instructions...
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TM 11-6625-2980-14 b. Line Range Taps Universal Transformer Line Regulating Ranges Selector Block Position 120 Volts Nominal 220-Volts Nominal 90 VAC to 110 VAC 180 VAC to 220 VAC 99 VAC to 121 AC 198 VAC to 242 VAC 108 VAC to 132 VAC 216 VAC to 264 VAC Line Fuse Data...
Section II. INTRODUCTION Description Power Usage The TEKTRONIX TM 503 Power Module is a three- With three plug-in modules installed, the TM 503 compartment-wide mainframe for the TM 500 Series of can require up to 120 W of power at the upper limits of Modular Instrumentation.
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TM 11-6625-2980-14 voltage range settings. Actual power consumed, of course, depends on the particular module combination In external loads, and (3) operating in an ambient selected at any one time. temperature around +250C. This power capability can best be utilized by The TM 503 provides each plug-in module with access carefully planning the functional combinations of plug- to a pair of heat-sinked, chassis-mounted transistors,...
Family Compatibility compatibility with the customized wiring. Mechanically, the plug-in modules are very similar to other TEKTRONIX product families. However, they are not electrically compatible. Therefore, the TM 503 interface has barriers on the mating connectors between Rear Panel pins 6 and 7 to insure that incompatible plug-ins cannot be inserted.
TM 11-6625-2980-14 SPECIFICATIONS Power Requirements +33.5 V and -33.5 V, 1 A maximum each supply, shared by all compartments. Line Voltage Ranges. Universal Transformer: 100, 17.5 VAC and +11.5 V, 3.6 A maximum, shared in 110, 20, 200, 220, 240 VAC, all within 10%. Range any combination between these two supplies and shared changing or transformer accomplished with quick-...
TM 11-6625-2980-14 TM 503 SYSTEM MAINTENANCE Section III. GENERAL used; however, abrasive cleaners should not be used. Introduction This section of the manual is meant to support the entire TM 500 Series family of modules with a general coverage of the most commonly-needed service information pertinent preventive...
TM 11-6625-298014 TROUBLESHOOTING AIDS Introduction Circuit Board Illustrations The following is provided to augment information Line illustrations showing component locations contained elsewhere in this and other TM 500 Series keyed with a grid scheme for each circuit board are family manuals when troubleshooting...
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TM 11-6625-2980-14 known to be operating properly. If the trouble persists most components can be lifted at one end from the after substitution, then the power module is probably at circuit board. fault. Moving a properly operating plug-in from Transistors and IC's. Turn the power switch off compartment to compartment will help determine if one before removing or replacing any semiconductor.
TM 11-6625-2980-14 PARTS REPLACEMENT Replacing edges. For these, push the mounting clips away from the circuit board edges to free the board. Also, remove any knobs, etc., that would prevent the board from being The exploded view drawings associated with the lifted out of the instrument.
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TM 11-6625-2980-14 Replacement semiconductors should be of the avoid damaging the pins. Pull slowly and evenly on both original type or a direct replacement. The above figure ends of the IC. Try to avoid having one end of the IC shows the lead configuration of the semiconductors disengage from the socket before the other end.
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TM 11-6625-2980-14 Interconnecting Pins. To replace a pin which is 3. Remove the screws (from the opposite side of mounted on a circuit board, first disconnect any pin the circuit board) which hold the cam drum to the board. connectors. Then, unsolder the damaged pin and pull it out of the board with a pair of pliers.
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TM 11-6625-2980-14 Power Transformer. Refer to the exploded view 2. Surround the instrument with polyethylene sheeting to protect the finish of the instrument. drawing at the rear of the Power Module manuals for disassembly of the rear panel to expose the power transformer.
The overline on a signal name indicates that the signal performs its intended function when it goes to the low state. Abbreviations are based on ANSI Y1.1-1972. Other ANSI standards that are used in the preparation of diagrams by Tektronix, Inc. are: Y14.15, 1966 Drafting Practices.
TM 11-6625-2980-14 REPLACEABLE MECHANICAL PARTS SPECIAL NOTES AND SYMBOLS X000 Part first added at this serial number Attaching Parts always appear in the same Part removed after this serial number indentation as the item it mounts, while the detail parts are indented to the right.
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TM 11-6625-2980-14 Index Qty 1 2 3 4 5 Name & Description LINK,TERM. CONN:8,22 AWG,1.5 L LINK,TERM. CONN:8,22 AWG,1.5 L • BRACKET,REIF·F: (ATTACHING PARTS) • DELETED • RIVET,BLIND:0.125 DIA GRIP,AL - - - * - - - (ATTACHING PARTS FOR CKT BD ASSY) SCREW,MACHINE:6-32 X 0.375 INCH,PNH STL NUT,CHASSIS MTG: NUT,PLAIN,EXT W:6-32 X 0.312 INCH,STL...
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TM 11-6625-2980-14 Index Qty 1 2 3 4 5 Name & Description • CABINET BOTTOM ASSEMBLY INCLUDES: • CAB.BOT,PWR SUP: • FOOT,CABINET:LEFT FRONT AND RIGHT REAR • SPT PIVOT,FLIP:LEFT FRONT AND RIGHT REAR (ATTACHING PARTS FOR EACH) • SCREW,IMACHINE:6-32 X 0.75 INCH,FILH STL •...
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TM 11-6625-2980-14 STANDARD ACCESSORIES Index 1 2 3 4 5 Nome & Description BUMPER,PLASTIC:0.45 DIA X 0.195 GRAY POLY MANUAL, TECH: INSTRUCTION TM 503 POWER MODULE A-25/(A-26 blank)
TM 11-6625-298-14 APPENDIX B REFERENCES DA Pam 310-4 Index of Technical Publications: Technical Manuals, Technical Bulletins, Supply Manuals (Types 7, 8, and 9), Supply Bulletins, and Lubrications Orders. DA Pam 310-7 US Army Index of Modification Work Orders. SB 38-100 Preservation, Packaging, Packing and Marking Materials, Supplies, and Equipment Used by the Army.
TM 11-6625-2980-14 APPENDIX C COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTS Section I. INTRODUCTION B-1. SCOPE TOE/MTOE authorization of the end item. This appendix lists components of end item and basic issue items for the pulse generator to help you inventory B-3.
TM 11-6625-2980-14 Pulse generator AN/USM-395A. SECTION II. COMPONENTS OF END ITEM Illus National Stock Description Usable Number Number FSCM and Part Number On Code PANEL, BLANK: (80009) 016-0195-03 6625-01-051-6639 PLUG-IN UNIT, ELECTRONIC TEST EQUIPMENT. SG-1178/USM-359A (80009) PG-508 6625-00-373-7528 POWER SUPPLY. PP-7578/USM-359A (80009) TM-503 TM 11-6625-2980-14...
SECTION III. BASIC ISSUE ITEMS Illus National Stock Description Usable Number Number FSCM and Part Number On Code MANUAL, TECHNICAL: TM 11-6625-2980-14 C-3/(C-4 blank)
TM 11-6625-2980-14 APPENDIX E MAINTENANCE ALLOCATION Section I. INTRODUCTION E-1. General Consists of comparisons of two instruments, one of which is a certified standard of known accuracy, to detect and adjust any discrepancy in the accuracy of the This appendix provides a summary of the maintenance operations for the Pulse Generator AN/USM-359A.
TM 11-6625-2980-14 E-3. Column Entries (Section II) Column 5, Tools and Equipment. Column 5 specifies by code, those common tool sets (not Column 1.Group Number. Column 1 lists individual tools) and special tools, test, and support equipment required to perform the designated function. group numbers, the purpose of which is to identify components, assemblies, subassemblies, and modules with the next higher assembly.
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TM 11-6625-2980-14 SECTION II. MAINTENANCE ALLOCATION CHART PULSE GENERATOR AN/USM-359A TEKTRONIX PG-508T NSN 6625-01-077-4620 MAINTENANCE LEVEL UNIT UNIT INTERMEDIATE INTERMEDIATE DEPOT DEPOT GROUP MAINTENANCE TOOLS AND NUMBER COMPONENT ASSEMBLY FUNCTION EQUIPMENT REMARKS PULSE GENERATOR AN/USM-359A Inspect Visual External Simple Operational...
NOMENCLATURE NATIONAL/NATO NUMBER REF CODE STOCK NUMBER Oscilloscope, 0S-262 (P)/U, Equivalent to TEKTRONIX 6625-01.007-9416 Type 7623A Amplifier, Dual Trace AM-6785/U, equivalent to TEKTRONIX 6625-00-361-5318 Type 7A26 Time Base, TD-1159/U, equivalent to TEKTRONIX 6625-00-261-5139 Type 7B53A Digital Delay 7Dll 6625-00-506-1132 Generator, Square-Wave, equivalent to TEKTRONIX...
TM 11-6625-2980-14 APPENDIX F EXPENDABLE SUPPLIES AND MATERIALS LIST Section I. INTRODUCTION F-1. SCOPE This appendix lists expendable supplies and materials you will need to operate and maintain the pulse generator. These items are authorized to you by CTA 50-970, Expendable Items (Except Medical, Class V, Repair Parts, and Heraldic Items).
TM 11-6625-2980-14 SECTION II. EXPENDABLE SUPPLIES AND MATERIALS NATIONAL ITEM STOCK NUMBER LEVEL NUMBER DESCRIPTION 8020-00-721-9657 Brush, paint 7920-00-862-6710 Cloth, lint-free Paint Sandpaper Detergent 6850-00-105-3084 Trichlorotrifluoroethane *U.S. GOVERNMENT PRINTING OFFICE: 1981- 703-029: 1049 By Order of the Secretary of the Army:...
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E. C. MEYER General, United States Army Official: Chief of Staff J. C. PENNINGTON Major General, United States Army The Adjutant General DISTRIBUTION: To be distributed in accordance with DA Form 12-34B, Requirements for TMDE/Calbr & Repair.
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TM 11-6625-2980-14 Section 4-PG 508 CONTROLS AND CONNECTORS FO-1. Controls and connectors 4-1/(4-2 blank)
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