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Please do not offer the downloaded file for sell only use it for personal usage. Looking for other manual? For this no need registration. May be help you to repair. You could suffer a fatal electrical shock. Instead, contact your nearest service center. Note! To open downloaded files you need acrobat reader or similar pdf reader program. In addition, Also some files are djvu so you need djvu viewer to open them. These free programs can be found on this page: needed progs If you use opera you have to disable opera turbo function to download file. If you cannot download this file, try it with CHROME or FIREFOX browser. Translate this page: Relevant METER forum topics: Fluke-Ti20 hokamera meresi pontatlansag Sziasztok. Szereztem a Fluke Ti-20 hokamerat, mukodik is, csak pontatlan. Bekapcsolaskor kb. 20 fokrol indul, es szep lassan megy fel a homerseklet akar 30 fokig is. Mereskor viszont a magas homersekleteket alacsonyabbnak erzi. Az erzekenysege tokeletes, akar tized fok kulonbsegeket is erzekel, ha pl.Meg nem szedtem szet, ahhoz hozza kell keszulnom, mert eleg finom kis muszer. Egy dologra gondolok, a kepalkoto homersekletet stabilizalo peltier esetleg nem megfeleloen mukodne. Kerdesem hogy van-e barkinek tapasztalata, akar a konkret tipus vagy csak ugy altalaban, hogy mit lehet elkovetni, mert egy kalibracio kb. 60k. Laci Fluke type 174 meter, parts info needed Hello, can you help us with the ic number, the Fluke 174 type meter ic ltpz ad737 a01b FLUKE PM3384b 100MHz 2-4 bemenetek digitalis uzemmodban nem mukodnek Sziasztok! A targyban nevezett szkop 2-4 bemenetei nem mukodnek digitalis uzemmodban. A szkopban levo digitalizalo kartyan a csatornak 1-3,2-4 bemenetenkent vannak osszefogva. Meresek utan ugy nez ki, hogy a jel bemegy a OQ0233 szamu (egyedi Philips gyartmany) IC-be, de onnan mar nem jon ki tisztes alakban. Ha esetleg valakinek volna ilyen kartyaja megmaradva, azt szivesen fogadnam! Koszi a segitseget. Udv,Van egy fluke pm3370 kombiszkopom.
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A menuben van egy olyan resz ami kodot ker a belepeshez.Nem tudja veletlenul valaki,hogy mi lehet ez a szam? Koszi! Similar manuals: You can write in English language into the forum (not only in Hungarian). These manuals are available for download and free of charge.Contact and submission information belowIt would only be possible with a large scale scanner. Such as a DS-70000 or something else that could scan 11.5x100 paper. See email information below (be sure to include BAMA in the subject line). Compliments of an unknown contributor. These manuals are available for download and free of charge.Or, you can email me directly with the manual. I accept all formats. If your instrument contains Refer to the supplemental. Appendix 7A for older assemblies. Model Counter-Timer The JOHN FLUKE MFG. CO., INC., warrants each instrument it manufactures to be free from defects in material and workmanship under This warranty extends only to the original purchaser. This warranty In the event of failure of a product covered by this warranty, John Fluke Mfg. Co., Inc., will repair and calibrate an instrument returned to The warrantor may, at its option, replace the product in lieu of repair. With regard to any instrument returned If the failure has been caused by In such case, an estimate will be On receipt of this information, service data or shipping instructions will be forwarded to you. Repairs will be made at the Service Facility All material in the container should be The manufacturer will not be responsible for shortages against the packing sheet unless If the instrument is damaged in any way, a claim should be filed with the carrier immediately. (To obtain a quotation The JOHN FLUKE MFG. CO., INC. will be happy to answer all application or use questions, which will enhance your use of this TERRACE, WASHINGTON 98043, ATTEN: Sales Dept. For European Customers: Fluke (Nederland) B.V., Zevenheuvelenweg 53. Tilburg, The Netherlands.
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Each measurement function is Measurement results are displayed Frequency is displayed in units Signal input is via BNC connectors. Channel C is Three conditioning The external The decimal point During this function A valid readout for each of This function does not, however, verify the accuracy of Figure 1-1. Option specifications are given in Table 1-3. Table 1-1. Available Options Yes. Yes Yes. No Yes. No Yes Table 1-2. 1953A Specifications Gate Time 0.1 ms to 10s in 6 decade steps (prescaled input increases gate time by Resolution 0.1 Hz at 10s gate time to 10 kHz at 0.1 ms gate time. Readout kHz or MHz automatically displayed with decimal point. Range f 1: 0 to 1 20 MHz (dc coupled). 5 Hz to 120 MHz (ac coupled). Readout Decimal point without unit annunciation. Periods Averaged Frequency Counted Resolution. Accuracy. Readout Input Resolution Accuracy. Readout Range Sinewave Pulse Channel B. Sinewave Pulse Channel C Channel C (Prescaled) Dynamic Range without Limiting. Impedance in Limiting Conidition.. VSWR less than 3:1 Aging Rate Fluke Model Y7201 (see accessories, Section 6) is ATTEN switch is set to XI, the input impedance will ATTEN switch is set to X10, the input impedance The sensitivity For channel B the sensitivity for sine wave inputs is 30 ATTEN switches are set to X 1; or to 50 V rms, when set to A is used to establish the Start Signal trigger level Signal trigger level conditions. TRIGGER LEVEL control, a trigger status indicator The TRIGGER LEVEL control is continuously variable PRESET, the trigger level will be 0V dc. The trigger levels For sine wave PRESET (0V dc trigger level), the two LED’s will light If the TRIGGER LEVEL control With negative trigger level, the With the pulse input waveform In case 3, the.
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LED’s would have equal intensity, again regardless of the This is best seen Very narrow pulses When the input signal is However, the trigger level for channel B must also be B so that the intensified zone is terminated shortly after it For Frequency A The GATE indicator lights for the The extra 100 ms is provided by a pulse stretcher to OFF detent. The front panel display should Complete the Turn-On. Procedure before attempting to operate the unit. The frequency of the 10 MHz Pressing the. RESET switch when the counter is in the SELF-CHECK This LED check takes RANGE switch, pausing at each position to verify Table 2-3. Display for Self-Check MHz are made using the frequency A function. The gate For a given input signal CHANNEL A input connector. TRIG ST AT indicators are lit.) MHz to 1.25 GHz (using Option -14). Refer to Section 6 One signal is The higher frequency input signal must be connected to MHz maximum. B TRIGGER LEVEL controls to establish desired Hisnlav nprinH For example, if the A input connector. In either case, channel. A is used to provide a Start signal, and channel B is used When a single input signal is to The measured time interval appears as an intensified zone CHANNEL A and CHANNEL B TRIGGER LEVEL Stop signal to CHANNEL B input connector. If TRIGGER LEVEL controls to establish desired. Use the Marker output in Each event that occurs at the. CHANNEL A input connector is accumulated CHANNEL B input connector produces a gate pulse for When the SLOPE switch is in the CHANNEL B gate pulse from triggering the CHANNEL B input connector. TRIGGER LEVEL controls to ensure proper External Reset signal is activated (no automatic CHANNEL B SLOPE switch. Turn the. CHANNEL B TRIGGER LEVEL control CHANNEL B to - will now gate the Theory of Operation Block diagrams are A complete set of schematic Level ). Figure 3-1. Model 1953A Simplified Block Diagram Ref. Generator. Channel B Channel A. Tl A-B. Ref.
Generator Table 3-1 lists sources for each The duration of the gate pulse is a Decimal point location FREQ A or FREQ C of the FUNCTION selection), the These gate times are derived from RANGE switch. In channel A frequency measurements Options -13 and -14). Direct period Since each cycle This number is displayed To make time The 10 MHz reference time base Channel A sets the conditions for the start of the gate When the ratio function is The number, n, When the totalize function is For this function, the gate However, pressing the RESET FET, push-pull amplifier configuration the same as that The difference between the two input channels is in the U1 are applied to the bases of Q9 and Q10 so that the The 10 MHz From these A signal is then applied to one input of the main gate The 10 MHz Reference divider input select gate U24 is directed by the. FREQ A function command to apply the 10 kHz, The reference divider Hz, 1 Hz, and 0.1 Hz. The frequency at the range selector The gate selector (U42), also The main gate The cycles Figure 3-3. Channel B Input Amplifier. Figure 3-4. Reference Generator FREQ C function (see Figure 3-6) is similar to that for the. FREQ A function. The input select gate (U4) applies the The reference The reference divider again The range selector gate (U26, U27, The gate selector The input B signal is applied to the reference divider. The range selector will then select one of the six outputs The output The six outputs of the reference The range selector applies the proper frequency, as The time is MHz reference generator signal that occur during this The time is MHz reference generator signal that occur during this MHz, 1 MHz, 100 kHz, 10 kHz, 1 kHz, and 100 Hz. The The gate time signal on the other input of the main gate is The leading edge of the This low signal causes the gate The leading edge of the Figure 3-1 1 shows the Check function.
The input selector (U4) directs the 10 MHz signal to one Self-Check mode, a 10 kHz signal is directed to the Figure 3-11. Function Control Logic: Self-Check The output of the main gate Figure 3-12 is a Digit) produces a BCD output (A-B-C-D signals) and The carry output from the. LSD is connected to the clock input of the next decade The carry output is applied to the. LSI chip U65 which contains the remaining seven decade An oscillator and The BCD digit information A reset command First, it illuminates the proper annunciator (MHz, kHz. Secondly, it enables the correct decimal point, as directed Finally, it will update In the Frequency A or Frequency. C function the MHz annunciator will light when the The low output, Figure 3-13. Annunciator Control Logic The range inputs are paired by. NOR gate U52 and U53 (1 and 4, 2 and 5, 3 and 6) so that At the end of The reaction time of. U67 is controlled by the cycle rate control on the front U66 to output an update command. The third is again a The fifth cycle in will disable the 100 kHz input signal to At the end of the cycle rate delay. U67 will reset U59 which in turn resets U66, preparing the LED’s. Figure 3-16 illustrates how the seven-segment Maintenance This includes service The performance test is Troubleshooting information is Table 4-1 lists the recommended test equipment required Fluke Mfg. Co., Inc. is warranted for a period of 1 year The warranty is Fluke product is available at various worldwide Section 2 of this manual. If requested, an estimate will be Table 4-1. Test Equipment Required for 1953A Maintenance Select model with stability 10 times Low frequency oscillator Performance check, calibration. High frequency oscillator Performance check, calibration. RF millivoltmeter with 50 Ohm Boonton 91 C. Performance check, calibration. Multimeter. Fluke 8000A. Troubleshooting. Oscilloscope. Tektronix 465. Troubleshooting Then the display, Use the procedures given BNC jacks. RANGE and FUNCTION switches.
Front Panel support bracket (front center, PCB and Input PCB to the front panel. Front Panel Assembly as follows: Main PCB. Panel as follows: Panel Assembly as follows: Use the following CHANNEL B controls, indicators and connectors. GTD BY B position requires external inputs to test A connector. A input frequency. Observe least significant digit of MHz signal to test digit 9. Each digit will step T.l. RES MHz. MHz MHz. MHz A connector. RANGE switch, pausing at each to verify that the Table 4 - 3. Frequency A Test A connector. Table 4-4. (No measurement unit annunciator will Table 4-4. Ratio Test A connector. CHANNEL B slope switch to -. Interval Resolution) position of RANGE switch, Table 4-6. Time Interval Test Table 4-5. Period A Test A connector. The 1953A should stop counting and display Instead, new All display digit RANGE switch, pausing at each to verify display is Table 4-7. Self-Check Test Calibration should be. Table 4-1 lists the required test equipment. Test points Adjustment Adjustment CONT-TRIG switch to CONT. RANGE to GATE - 10 msec. FUNCTION switch to FREQ A. CHANNEL A controls -. TRIGGER LEVEL to PRESET. AC-DC to AC. ATTEN to XI. CHANNEL B controls -. SEP-COM switch to SEP R142, fully counterclockwise. Rotate R142 slowly Note the position of the. R142 setting. Note the position Check the channel B preset trigger as follows: CONT-TRIG switch to CONT. Range to PER AVGD -HP. FUNCTION switch to FREQ (B). CHANNEL A controls-. ATTEN to XI AC-DC to AC. ATTEN to XI R141, slowly clockwise until the display is stable at Note the position of Note the position Return the CHANNEL A connector. Using insulated If the unit is Table 4-8. The guide is in the form of a tabular flow chart Details necessary to Section 8 and the Theory of Operation in Section 3. Any given step assumes that the previous steps have Does the front panel display illuminate? Execute steps a through c of the channel B Amplifier Test (part of the Performance Test).
Are both status indicators lit? Check TRIG STAT LED's and Q11, Q12, Q13 and Q14 for channel B test. If channel A is being tested, check U61 and TRIG STAT LED's. Execute the step d of the channel B Amplifier Test. Do both status indicators remain on. Calibrate the channel's (A or B as req.) preset trigger level. Do the status indicator LED's respond properly? Test channel A Amplifier by repeating steps 4 through 14 of this procedure and substituting Perform steps a and b of the Display Test (part of Performance Test). Are all of the measurement units displayed correctly? Are the decimal points correct? Do all display decades respond correctly? U71 and U72. If an entire digit will not light, check the associated strobe driver. Does the OVERFLOW LED light when an overflow occurs? Perform step k of the Display Test. Does the display reset properly? Also check the clock input to the The 1953A is operational. List of Replaceable Parts Components are listed Electrical components Each listed part is Section 7 for Code-to-Name list.) For maintenance for 1-year or more at an isolated In the case NUMBER. In the event the part you order has been Letter Indicated devices are subject to damage by M00-200-626 Rack Slide Kit Temperature Compensated Crystal Oscillator (TCXO). External Time Base Multiplier Oven-Stabilized Time Base. Basic Remote Control Unit. Full Remote Control Unit IEEE-488 Standard Interface. Superior Oven-Stabilized Time Base It consists of a series of Option number in the table of contents on page 6-2. All of the information necessary to M00-200-622, Use the following procedure to install the Use eight 10-32 x Figure 600-2. See Figure 600-1. Use eight 6-32 nuts supplied with kit. Measurement Errors in Section 2 of this manual for a Input Impedance: 47 kfi. Attenuation Range: X5 to XI 00 continuously variable.
Low Pass Filter: 1 kHz, 20 kHz, or Data Output Unit The model number of the DOU PCB so that J83 connects to J83 and J85 connects The output Digital Printer. The cable is called the Mode! 2010 A-7000 Remove the upper cover plate from the rear panel. Main PCB. However, loading of All data is positive-true TTL A logic low (ground) signal on this The DOU ready command is a low-true pulse having a Data Output Unit. Refer to Section 5 for ordering Figure 602-1. DOU Option Location Decimal Point 2 Eg. Microseconds Overflow Ground Temperature Compensated Crystal Oscillator Crystal Oscillator (TCXO) which exhibits stability and Replacements External Time Base Multiplier External reference inputs of 1, 5, or 10 MHz, having a Burst (pulsed oscillator) measurements may be made Option has been superceded by an updated design, both The pulse width of the trigger does not need to be as MHz. The undivided MHz output. The three NOR gate of U3 (board 1 ) used to. When 1NT is U 1 for the DO input which is the 10 output of U2. When. EXT is selected, SI controls which of the three outputs D2 input (5), or the D4 input (10) so there will always be a The output of U3 U1 oscillates The output of U 1 MHz pulses), to the input of the charge pump, PD. The The output of the amplifier is applied to the VTUNE R3 sets the U5-1 1 goes high and. U5-8 goes low putting U4 in the preset condition (U4-5 At the end of a U4-5 goes low inhibiting the reference frequency by B input) clocks U4-5 high enabling U5-3 to pass the READY goes low, inhibiting the reference frequency. Multiplier. Refer to Section 5 for ordering information. Figure 605-2. -05 Option, External Time Base Multiplier Aim Oven-Stabilized Time Base The option Stabilized Time Base is given in Table 610-1. Refer to. Section 5 for ordering information. Table 610-1. -10 Option, Oven-Stabilized Time Base C. U ( uuu Basic Remote Control Unit Option -11 is the Basic.
Remote Control Unit, permitting control of the essential The option allows full. Range and Function selection; control of the trigger edge In addition, T T IJV1I UUUVX 1 VillVIV Control mode. Is When the reset line is brought low and released, This same line is used on. DOU option. DOU ready.) SMB) TTL. These are not normally connected, To connect these B count frequency is below 25 MHz. Exposed Remote Control Unit are provided in Table 61 1-1. The Remote Control Unit, Option -1 1. Refer to Section 5 for System Not Ready TTL Output Equal to CHL-B Input Connected. FREQ C Function. T.l. A-B Function Front Panel Lockout Resets Counter The remaining inputs are CMOS compatible with internal 100 kfi. Table 61 1-2. -11 Option, Basic Remote Control Unit TOUU 1 f O oo o Figure 611-2. A10 Basic Remote Control Unit PCB Assembly Full Remote Control Unit Remote Control Unit, comprising the same features as Under remote control, All analog function switches are No inputs should be forced low The option includes three PCB assemblies, RCU 1, RCU Control mode. Option -13 is a prescaler which extends the operating This prescaler has a The option must be FREQ C position. MHz prescaler is eight. When a low signal level Prescaler is actually a sensitivity check made at the upper Proceed as follows: CHANNEL C input. Set the generator output for Table 4-1) to the T-connector on the input of the The output of U3 is fed to the Main PCB Assembly for application to Proceed as Select an output of 100 MHz at approximately 15 Table 613-1. -13 Option, 1000 MHz Prescaler PCB Assembly Option -14 is a prescaler which extends the operating This prescaler has a MHz. The prescaled signal, amplified by U 1 and divided When a low signal level is The option must be FREQ C position. Prescaler is actually a sensitivity check made at the upper Proceed as follows: C input. Set the generator output for 50 MHz at MHz Prescaler is eight.
Proceed as follows: Select an output of 100 MHz approximately 15 mV Table 614-1. -14 Option, 1250 MHz Prescaler Assembly IEEE-488 Standard IntGrfacG All programming of the counter is based on a character- The measurement An overflow indication is Front panel lockout is provided. An application bulletin The option is A5 are used to control the local address of the counter. They may be set to the binary equivalent of the any The number 31 (11111) is not a The A1 through A5 switches are With the switch to the right Table 612-2. Listen and Talk Addresses Operating Functions, Range, Trigger Instructions. Coupling, Output Functions, Sampling, Status and. Clear. An explanation and breakdown of these The commands Tabie 615-2. Operating Features Table 615-3. Range Commands TO ms The function Signal conditioners. Table 615-4 contains the Trigger. Codes and their instructions. Table 615-4. Trigger Instructions Positive Slope and. AC Coupled. Positive Slope and. DC Coupled AC Coupled. A-i DC Coupled. Trigger Level of Trigger Level of For the Mi code, the 1953A outputs a service request After transmission of the measurement, the 1953 A Sampling Instruction. This is the equivalent of: Frequency A at the 0. 1 ms range; Table 615-5. Programming Example. Example: F4 R1 LA-2.7 LB.85 A-1 B1 SO Refer to the applicable Overflow and Busy Signals. Figure 615-2. Measurement Response Format. Table 615-6. Response Codes. These Columns Are Applicable To Status Response. Refer to the applicable columns Refer to the standard and the sub-set used for this Interface is given in the following paragraphs on a block The counter is assigned a binary The address is set on Refer to Table The address 11111 is The block diagram of the interface used in the discussion ATN command lines active. This action, followed by The Controller drives DAV Once the data The start of Data Decoders and Control Storage for transfer to the After completion, Talk Only Mode.
In this configuration, the interface The two significant IEEE Interface consists of the Tabular Flow Chart in. Table 615-7. When a step on the flow chart is completed, If no decision is required, IEEE-488 Interface Option. Refer to Section 5 for an J f u Figure 615-9. A18 IEEE-488-1975 Switch PCB Assembly Rear Panel Inputs. The 1953A can be ordered with three factory- The channels A and B inputs are in parallel with the corres- The addition of the rear panel MHz, as measured from the rear connector. See measurement error discussion in Section Table 616-1. -16 Option, Rear Panel inputs Superior Oven-Stabiiized Time Base Model 1953 A. The specifications for Option -20 are given The option Proceed as follows: CHANNEL A connector. Observe the Table 620-1. -20 Option, Superior Oven-Stabilized Time Base General Information List of Abbreviations. Federal Supply Codes for Manufacturers. Fluke Technical Service Centers — U.S. and Canada. Sales and Service Locations — International. Sales Representatives — U.S. and Canada A or amp Celsius Fahrenheit Ge GHz Hz If MHz Si Ta Subsidiary of Nytronics Inc. Formerly Sage Electronics. Rochester, New York Westlake, Ohio New Bedford, Massachusetts Passaic, New Jersey Harrisburg, Pennsylvania Milwaukee, Wisconsin Semiconductor Operations. Lawndale, California Semiconductor Group. Dallas, Texas Franklin Park, Illinois Manchester, New Hampshire Sprague Electric Co. Dearborn Electronic Div. Lockwood, Florida Saugerties, New York Harris ASW Div. Westwood, Maine Brooklyn, New York Don Mills, Ontario, Canada Div. of T ravenal Labs. Morton Grove, Illinois Formerly Amphenol-Borg. Electric Gorp. Broadview, Illinois. Areo Capacitors, Inc. Chatsworth, California Semiconductor Products. Syracuse, New York Genisco Technology Corp. Compton, California Wakefield, Massachusetts Whippany, New Jersey Clairex Corp. Mt Vernon, New York Mountainside, New Jersey Hartford, Connecticut Anaheim, California Midtex Inc. Mankato, Minnesota AVX Corp.
Myrtle Beach, Florida Laguna Beach, California Products. Phoenix, Arizona Fullerton, California Corcom, Inc. Chicago, Illinois Semiconductor Div. Youngwood, Pennsylvania Glendora, California Materials Systems Div. New York, New York Sprague Electric Co. Pacific Div. Los Angeles, California Chatsworth, California Wakefield, Massachusetts Battery Products Dept. Columbia, South Carolina Tinley Park, Illinois Amphenol SAMS Div. Chatsworth, California Penacook, New Hampshire Littleton, Colorado Cleveland, Ohio Phoenix, Arizona Ciiy of industry, California Electric Div. Formerly Clevite Corp., Piezo. Electric Div. Bedford, Ohio Varian Associates. San Carlos, California South Hampton, Pennsylvania Electronic Tube Div. Horsehead, New York Cinch Graphic. City of Industry, California Div. of BBF Group Inc. Chelmsford, Massachusetts Culver City, California Div. of Fairchild Camera. Mountain View, California Rochester. New York Rochester, New York Northampton, Massachusetts Formerly Continental Device. Hawthorne, California Raytheon Co. Semiconductor Div. HQ. Mountain View, California Long Island City, New York Garden Grove, California Brooklyn, New York Miniature Lamp Products Dept. Cleveland, Ohio Norrisville, Pennsylvania Skottie Electronics Inc. Archbald, Pennsylvania Products Dept. Power Semi-Conductor. Products OPN Sec. Auburn, New York Watertown, Massachusetts Santa Barbara, California Norwalk, Connecticut Yankton, S. Dakota Formerly Amerace, Amerace. ESNA Corp. Kenilworth, New Jersey Berne, Indiana Paso Robles, California Columbia Broadcasting System. Newburyport, Minnesota Chicago, Illinois Warren, Michigan Hawthorne, California Rectifier Division. Hicksville, New York Santa Clara, California Danburry, Connecticut Chatsworth. California Camden, New Jersey AMF Canada LTD. Guelph, Ontario, Canada Shelton, Connecticut Cleveland, Ohio Plastic Products Div.
Bridgeport, Pennsylvania Cincinnati, Ohio Lake Mills, Wisconsin Dover, New Hampshire Chicago, Illinois Sierra Madre, California Scottsdale, Arizona Watertown, Massachusetts Dallas, Texas Tappan, New York Bunker-Ramo Corp. Los Gatos, California Sprague Electric Co. T ransistor Div. Concord, New Hampshire Newbury Park, California Me Gray-tdison Co. Manchester, New Hampshire California Resistor, Corp. Santa Monica, California Conshohocken, Pennsylvania Division of Federal Pacific. Electric Co. Govt. Control Dept. Newark, New Jersey San Gabriel, California Semi Conductor Products Group. Hicksville, New York Saugus, California Div. of Kidde Walter and Co., Inc. Framingham, Massachusetts Mountain View, California Van Nuys, California Machines Corp. Essex Junction, Vermont Burbank, California Electronic Components Div. Raleigh, North Carolina Div. of Chemed Corporation. Cambridge, Maryland Fabricators, Inc. Downey, California Div. of General Motors Corp. Kokomo, Indiana Burbank, California Oklahoma City, Oklahoma Asbury Park, New Jersey Santa Clara, California Maryland Heights, Missouri Sunnyvale, California Vishay Intertechnology Inc. Malvern, Pennsylvania Hanover, New Jersey Precision Material Group. Parts Division. Titusville, Pennsylvania Mepco-Electra Inc. Mineral Wells, Texas Indianapolis, Indiana Westminister, California Kenilworth, New Jersey Melrose, Massachusetts Transformer Co. Div. Geneva, New York Skokie, Illinois New York, New York Lexington, Massachusetts Carrollton, Texas Cupertino, California Linden, New Jersey Springfield, Illinois Shallcross, A Cutter-Hammer Co. Selma, North Carolina Div. of Am. Gage and Mach. Co. Elgin, Illinois North Adams, Massachusetts Bristol, Connecticut Torrington Mfg. Co. Torrington, Connecticut Mount Vernon, New York San Francisco, Californai Newark, New Jersey Eaton Town, New Jersey Chicago, Illinois Union City, New Jersey Geneva, Illinois Freeport, LI New York Div. of McGraw-Edison Co.
Saint Louis, Missouri Elkhart, Indiana Santa Ana, California Div. of Globe Union Inc. Milwaukee, Wisconsin Providence, Rhode Island Chicago, Illinois Cinch Connector Operations Div. Elk Grove Village, Chicago, Illinois Newark, New Jersey Williamantic, Connecticut Pelham Manor, New Jersey Amperex Electronic Corp. Brooklyn, New York Div. of Hydrometals, Inc. Brooklyn, New York West I si ip, New York Gudeman Div. Chicago, Illinois Erie, Pennsylvania Helipot Division. Fullerton, California Electron Dynamics Div. Torrence, California. Amperex Electronic Corp. Hicksville, LI, New York West Hartford, Connecticut Trenton, New Jersey Chicago, I liinois Cincinnati, Ohio Components Corp. Brooklyn, New York Chicago, Illinois Chicago, Illinois Marlboro, New Jersey General Instrument Corp. Neptune, New Jersey Carlisle, Pennsylvania Penacook, New Hampshire Waseca, Minnesota IRC Fixed Resistors. Philadelphia, Pennsylvania Dayton, Ohio Sandwich, Illinois. Kuika Electric Corp. Mount Vernon, New York Des Plaines, Illinois Switch Div. Crystal Lake, Illinois Princeton, Indiana Rectifier Division. Brooklyn, New York Torrance, California Div. of Illinois Tool Works Inc. Elgin, Illinois South Braintree, Massachusetts Saint Marys, Pennsylvania Fastener Div. Tinnerman Plant. Cleveland, Ohio Long Island City, New York Goshen, Indiana Mt. Kisko, New York A North American Phillips Co. Morristown, New Jersey Chesterland, Ohio Sprague Products. North Adams, Massachusetts Riverside, California Red Bank, New Jersey South Boston, Massachusetts La Grange, Illinois Div. of Litton Industries Inc. Oakville, Connecticut Mansfield, Ohio Los Angeles, California Seattle, Washington Chicago, Illinois South Gate, California Chicago, Illinois Controls Corp. Frederick, Maryland New York, New York Woodstock, New York Pawtucket, Rhode Island Garland, Texas Cambridge, Massachusetts Electric Power Division. Eatontown, New Jersey West Haven, Connecticut Electronic Components Div.