Farnell DT12-5 Instruction Book Download | Manualshive

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Summary of Contents for DT12-5

Page 1: ...O FARNELL OSCILLOSCOPES MODELS DT12 5 DTV12 14 AND DTC12 INSTRUCTION BOOK...

Page 2: ...INSTRUCTION BOOK FOR FARNELL OSCILLOSCOPES MODELS DT12 5 DTV12 14 AND DTC12 FARNELL INSTRUMENTS LTD SANDBECK WAY WETHERBY LS224DH YORKSHIRE...

Page 3: ...ns c 2s02 sc0s525ecccasaccuspoentvvepedenecavennnscevete OpSratlonvafiGantOls secs cchocssdiccdetedennesvacachoeccene canesarseswacs9 GCIPERIMD OBEROI sw ascssusscuceds coseoesneueandaehocosesancebesn...

Page 4: ...pplied with 1 off pair of insulated crocodile clips DTC12 only 1 off pair of probes NOTE In the event of damage in transit or shortage in delivery separate notices in writing should be given to both t...

Page 5: ...ols on sweep speed and Y amplification so that continuous interpolation between the fixed switch settings is possible Two further facilities allow for the inversion of one of the channels and the alge...

Page 6: ...100ns div Extends slowest sweep to greater than 1s div and provides continuous sweep speed adjustment between the cali brated positions Auxiliary feature triggering from normal or inverted T V video...

Page 7: ...th Weight DT12 5 170 280 310 7kg DT V12 14 170 280 330 7kg DTC12 170 280 330 7 5kg OPERATING INSTRUCTIONS Installation The voltage to which the unit is set prior to despatch is printed on the rear of...

Page 8: ...uare wave is stationary OPERATION OF CONTROLS Refer to diagram on page 7 a i On Off Depressing the push button switches the oscilloscope on aii Intensity This varies the brightness of the trace NOTE E...

Page 9: ...ndicated on the Y attenuator switch setting Anticlockwise rotation from this position reduces the Y sensitivity ultimately to a value less than the next switch position of anticlockwise rotation of th...

Page 10: ...in conjunction with the mode switches particularly the switch and itdetermines the point on the waveform from which a Pree is initiated Adjustment of this control will move the point from which the wa...

Page 11: ...is inhaled Take great care when servicing to avoid losing these washers or in the event of disposal ensure that they are treated as toxic waste General description and location of parts The circuit is...

Page 12: ...se each goes to an emitter follower TR308 and 309 providing alow impedance drive to the Y plates and feedback resistors R301 and R325 Z301 prevents the emitter followers from saturating likewise TR307...

Page 13: ...C621 at slow timebase speeds This monostable is triggered by the negative going output of comparator C607 at the end of sweep Its timed low going output is connected to the pin 10 PRE input of C602 w...

Page 14: ...e highly toxic ifconsumed or ifdust from a crushed or broken washer is inhaled Take great care when servicing to avoid losing these washers or in the event of disposal treat them as toxic waste CALIBR...

Page 15: ...een al Ch1 on with the attenuator on the 0 2V div and normal trigger A vertical line will be displayed on the screen Position vertical line at the extreme left and then right hand graticule lines and...

Page 16: ...o more than one per large division X Y Operation Switch both channels on Set attenuators to 200mV div Apply a sine wave of 1V pk to pk at 1kKHz to both channels Switch to X Y position and adjust P505...

Page 17: ...e Manager a charge for labour and carriage costs incurred may be made Our responsibility is in all cases limited to the cost of making good the defect in the equipment itself The guarantee does not ex...

Page 18: ...2PL 0252 7 60 AMPLIFER OUTPUT R153 2 eTB2PL BCI R169 55 TRIS3 TRIS4 NOR INPUT FROM R152 ATTENUATOR ATTENUATOR 2 ayers 27x313 9 R169 is 27 RIS bia CH2 O PO ae CHI o PO 61 mM 50 a 63 A3 a THI TRIGGER CH...

Page 19: ...5 6TOTUBE SCREEN 275 275V cs06 Je 22n UNREG R505 OM 12V 15k Sw TOY PLATE TOY PLATE TUBE 20 O1 12V X PLATES 50136 7 x 28 imi VB RAMP X INPUT bey X OPERATION 12V 688 STORAGE Oe 287 30 TO PIN 60 R537 82k...

Page 20: ...St PERSONNEL 17 ov swi H auro norm cs oe On47 sw2 H a AC TV I ie Soe by ral Ea ee sw3 H 2 H oto v2ice 2 TLS 10 MC14572 1c4 1c4 Ico 9 8 R28 Sk SW6 O 12V 42 A7 CALIBRATION CHOPPER Q Tie Base eo cmon al...

Page 21: ...12R 12V O 12Vv 19 TO TRIGGER BD CHANNEL 2 PREFIX 200 C23 R30 17 12 O 12v Cci Zi 12R in 41V R28 a nee R8 500k Ci7 1Sp u O O R13 470k _ yri 1 2U441 O 2 Hie raa be 27k 20 a O R3_ 990k ro 18 O ov O Ri4 c...

Page 22: ...CK 115 120 BLANKING 220v1 CHOPPER E 230 240v BLANKING v1 140AYB31 QD as Z1K313 130 1c2 R23 90 60 3g R38 DIO on 180k 330k 330k 330k be2 RUS Ph 81 42 560k 1M c22 4 4n7 43 R26 330k 9 O14 Rw 7 1M Ton 2M2...

Page 23: ...dv ANS asivis3SiM HUO SS3INN OHPINI SHY S30010 owmua A LIM SY3ISN dWV A cavis a9muuo seNn SMHOA AGYSHLSM L1 SINSWNYLS NI TINY at NI N3AID SBMA HOLIOvavo _ OL Hi e ION ON WIdS AaL 1428198 Szul AQ rG 1...

Page 24: ...FARNELL INSTRUMENTS LIMITED SANDBECK WAY WETHERBY YORKSHIRE LS22 4DH TELEPHONE 0937 61961...

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