HP Sprinkler 8012A User's Manual
Contents
1. gt t A i oY t Trigger output pulses TRIGGER OUTPUT 17 Positive output oulses o OUTPUT 20 Output pulses may aiso be i negative and the faseline offset as shown in figure 3 2 Figure 3 8 Output Waveforms Normal Mode Square Wave Model 8012A Remember the following points about the square wave output Output pulse width equals half the selected pulse period Output pulse rate is one half that of the rate generator or input trigger pulse The delay between input trigger pulse and square wave output is fixed The output pulse is symmetrical above and below ground 3 13 Gating 3 14 The trigger and output pulses obtained in the normal mode may be gated by applying an appropriate gate pulse see specifications to the GATE INPUT socket 18 the operation is indicated in figure 3 9 gt tV OV ee ae Aree Positive gate pulse i GATE INPUT 18 gt V l i OV S ae ee Gated trigger output pulses TRIGGER gate like this an output puise is generated outside gato time First trigger pulse coincides Variable l Delay j lt 35nS 15 Gate closed Negative output pufses may also be gated Pulses of either polarity with offset of baseline may also be gated Figure 3 9 Output Waveforms Normal Mode Gating 3 15 RZ MODE 3 16 External pulses applied to the INPUT socket 22 on the rear panel trigger the delay generator directly figure 3 10 and2. HEWLETT hp PACKARD MODEL 8012A PULSE GENERATOR This manual corresponds to instruments with the serial number prefix G1 121 and below COPYRIGHT HEWLETT PACKARD GMBH 1971 703 BOBLINGEN HERRENBERGER STR 110 WEST GERMANY PRINTED OCTOBER 71 08012 90000 Model 8012A Section Table 1 1 Specifications PULSE CHARACTERISTICS 5022 source and load impedance Transition Times BnS 0 5S in four ranges Ranges are common for rise and fall times but independent verniers provide separate control of rise and fall time within each range upto maximum ratios of 100 1 or 1 100 Linearity For transition times gt 30nS maximum deviation from a straight line between the 10 and 90 points is less than 5 of pulse amplitude Overshoot and Ringing lt 5 of pulse amplitude Preshoot lt 5 of pulse amplitude Pulse Width lt 10nS to 1S in four ranges Vernier provides continuous adjustment between ranges Width Jitter lt 0 1 50pS on any width setting Maximum Duty Cycle _ gt 75 from 1Hz to 10MHz decreasing to gt 40 at 50MHz Maximum Qutput 5V across 5092 10V across open ciruit Output circuit protected cannot be damaged by shorting Attenuator Four step attenuator provides the ranges 0 2 O 5V 0 5 1V 1 2V and 2 5V Vernier provides continuous adjustment between steps Polarity Positive or negative selectable Source impedance 502 10 shunte
3. 1 Where the repetition rate is determ ined by the internal oscillator inter nally triggered 2 As above but with the oscillator triggered externally Manually triggered 4 in each of the above square wave output pulse width pulse period 2 may be selected instead of the variable pulse width 5 The outputs obtained above may be gated All output pulses are preceded by a trigger pulse TRIGGER OUTPUT socket 17 The delay is fixed at 35nS for square waves but may otherwise be adjusted by the PULSE DELAY switch 6 and VERNIER 7 3 5 internal Trigger 3 6 The appropriate circuits and controis are shown in figure 3 1 Use the following procedure to obtain an output similar to that shown in figure 3 2 a Set the Mode Selector 21 to N b Set the PULSE PERIOD switch 1 to the range required then adjust the VERNIER 2 to obtain the exact pulse period Page 3 1 c Set the PULSE DELAY switch 6 to the range required then adjust the VERNIER 7 until the delay time required between the trigger and output pulses is obtained The delay time must always be less than the pulse period d Set the PULSE WIDTH switch 10 to the range required then adjust the VERNIER 11 to obtain the exact pulse width e Set the AMPLITUDE switch 4 to the range required then adjust the VERNIER 9 to obtain the exact amplitude f Set the TRANSITION TIME switch 3 to the range required then adjust the RISETIME vernier 8 and FALLTIME
4. of gate pulse Last output pulse is always generated with normal width even if the gate pulse ends during the generation of the output pulse Gate Input DC coupied voltage at open circuit gate connector approximately 1 8V Shorting current lt 12mA Input impedance approximately 1609 Gate Input Signal Voltage gt 1 5V or resistor gt 30022 from gate input to ground enables the repetition rate generator Voltage lt 0 8V or resistor lt 15082 disables the repetition rate generator Gate input is TTL compatible Maximum Input Signal lt t5V External Width input External Width Output pulse width determined by the width of drive input signal Transition times and amplitude are selec table Repetition rate generator running provides trigger Page 1 2 output but these trigger pulses are not related to the pulses at the output connector RZ Mode External input switched to delay generator determines pulse period Transition times delay width and amplitude are selectable Trigger output is not related to RZ Mode output Input Signal Input Impedance 5022 DC coupled Signal gt 1V at least 7nS wide provides output signal Maximum Input Signal lt 5V GENERAL Operating Temperature Range 0 C to 55 C Power Requirements 115 or 230V 10 15 48 to 440 Hz 7OVA maximum Weight Net 91bs 4kg shipping 14 61bs 6 5kg Dimensions 7 9 in wide 5 6 in high 13 in dee
5. vernier 12 for the exact risetime and falitime required g Set the POLARITY switch 19 to the position to obtain positive output pulses or to to obtain negative output pulses h if the baseline of the output pulses is to be zero volts set the OFFSET switch 13 to OFF if the baseline is to be positive or negative set the OFFSET switch 13 to ON and rotate the vernier 14 until the required offset voltage is obtained PULSE PERIOD t PULSE DELAY 4 PULSE WIDTH 19 VERNIRA R VERNIER 7 VERNIER 7 r WIDTH GENERATOR OLFERENTIATOR DELAY GENERATOR Gate IWPYY 18 TRIGGER OUTPUT n TAANSITION TIME I FADING EDGE E POLARITY 19 AHPLITUDE 4 A TA a fi s VERNIER AILIN EDGE 12 m VERRIER p D ATTENUATOR N OFFSET 03 VERMIER I4 INVEAYER Figure 3 1 Operation Block Diagram Normal Mode Internal Trigger Model 8012A gt HIV ov E SETE es Trigger output pulses lft Pio me TRIGGER OUTPUT 17 Iy lt a y 1 l Positive output pulses PRAG OUTPUT 20 OV No baseline offset OV Negetive output pulses Va OUTPUT 26 No baseline offset Positive output pulses Positive baseline offset Positive output pulses Negative baseline offset Negative output pulses Positive baseline offset mV Negative cutput pulses Negetive baseline offset V Figure 3 2 Output Waveforms Normal Mode Internal Trigger 3 7 Externa Trigger 3 8 The approp
6. ERIOD t EXT 2 V ov i Frigger output putses i TRIGGER OUTPUT 17 y Positive output pulses OUTPUT 20 Ov Fixed Delay i Variable Delay j 25nS tns l lt I5NS ta Ser Figure 3 4 Output Waveforms Normal Mode External Trigger Page 3 2 Section fll 3 9 Manual 3 10 The appropriate circuits and controis are shown in figure 3 5 Use the following procedure to obtain an output similar to that shown in figure 3 6 a Set the Mode Selector 21 to N b Set the PULSE PERIOD switch 1 to either EXT or EXT c Set the delay between the trigger and output pulse as described in para graph 3 6 d Set the width amplitude risetime falltime polarity and offset of the output pulse as described in para graph 3 6 e Press the MAN button 5 once for each output pulse required MAN sutton 5 Q TRIGGER IN PULSE PRAIOE PULSE DELAY PULSE WIDTH Sit VERNIFR VERNIER ti e rd K p RATE DELAY WOT GENERATOR GENERATOR GENERATOR OIFFERENTIATOR DATE i FRIGGER 9U GATE INPUY 18 TRIGOFR OUTPUT I creer enone nananana TRANSITION TIME I oe LEADING EDGE AMPLITUDE 4 TRAILING FOGE 12 POLARITY 19 VERNIER 9 gt OUTPUT 30 N k ATTENUATOR DG OFFSET TA GEESE 13 VERNIER t4 g ema tt ss SG FOLLOWER a P 4 INVERTER FUT INTEGRATOR A ErIER i Figure 3 5 Operation Block Diagram Normal Mode Manual Output whe
7. P instruments are on the inside front cover of this manual 2 3 The instrument is delivered complete with the following items HP Stock Numbers Power Cord 8120 1692 Fuse 0 5A for 230V operation 2110 0202 Fuse 1A for 115V operation 2110 0007 2 4 PREPARATION FOR USE 2 5 Power Source Requirements 2 6 The Model 8012A may be operated from an ac source of 115 or 230 volts 10 15 at 48 to 400 Hz Power dissipation is 70VA maximum Carry out the following procedure if it is required to change the operating voltage a Disconnect the power cable from the instrument b Slide the safety window to the left c Remove the fuse by pulling the lever marked FUSE PULL this also releases the voltage selector switch d Slide the voltage selector switch to the position required i e 115 or 230 e Place the appropriate fuse in the fuse holder and push the lever back into position f Slide the safety window to the right and insert the power cable 2 6 cont AN t E Ensure that the number visible on the slide switch and the fuse vaiue correspond to the line voltage used before switching the instrument ON otherwise the instrument may be damaged Se 2 7 Power Cable 2 8 The Hewlett Packard Mode 8012A is equipped with a 3 wire power cable which when connected to an appropriate receptacle grounds the instrument cabinet and panels To preserve this protec tion feature when operat
8. d by typically 20pF DC Offset 2 5V across 5022 load Independent of attenuator and amplitude vernier settings and may be switched off Pulse Delay lt 35nS to 1S with respect to trigger output in four ranges vernier provides continuous adjustment between ranges Delay Jitter lt 0 1 50pS on any delay setting REPETITION RATE AND TRIGGER Repetition Rate 1Hz to BOMHz in four ranges Vernier provides continuous adjustment between ranges Period Jitter lt 0 1 50pS on any repetition rate setting Square Wave 0 5Hz to 25MHz in four ranges Duty cycle 50 t5 upto 1MHz tolerance increases to t 15 at 25MHz Trigger Output Amplitude gt 1V across 502 Width 16nS ins Suitable for triggering another 8012A EXTERNALLY CONTROLLED OPERATION External Triggering Repetition Rate Q to 50MHz For square wave output frequency divided by factor 2 Trigger Input Sinewaves gt 1 5Vpp zero dc or pulses gt 0 8V positive or negative at least 7nS wide Delay 25nS 8nS between leading edge of trigger input and trigger output signals Maximum Input Amplitude St7V input Impedance 502 10 Coupling DC Couptled Manual Front panel push button for single pulse Page 1 1 Section Model 8012A Table 1 1 Specifications Continued Gating Synchronous Gating Gating signal turns generator on First trigger output pulse is coincident with leading edge
9. e A smal delay exists between the input and output pulses eects Figure 3 13 Output Waveforms External Width Mode Page 3 5 Model 8012A 3 19 ADDITIONAL FACILITIES IN THE RZ OR EXT WIDTH MODES 3 20 When operating in the RZ or EXT WIDTH modes the internal oscillator is available for use as an independent clock generator figure 3 14 which provides an output at the TRIGGER OUTPUT connec tor 17 This output may be triggered internally externally or manually and in addition gated as described for the normal operating mode paragraph 3 3 If this facility is not required it may be switched off by setting the PULSE PERIOD control 1 to EXT and disconnecting the TRIGGER INPUT 16 MAN boven 5 PULSE PENIGE gt VERWER 2 vi r Hare GENERATOR N p TRIGGER Nun TRIGGER ieor a gt Ee Gut A SATE INPUT I8 PaGGEA OUWUT 17 Figure 3 14 Operation Block Diagram Additional Faci lities RZ EXT WIDTH Mode
10. ing the instrument from another type of outlet without ground use an appro priate adapter and connect the ground lead to an external ground 2 9 Temperature Requirements 2 10 The Hewlett Packard Model 8012A uses solid state components and requires no special cooling The instrument operates within specifications when the ambient temperature is between 09C 32 F and 55 C 131 F The pulse generator may be stored at temperatures between 40 C 40 F and 75 C 167 F 2 11 REPACKING 2 12 The original shipping carton and packing materiai can be used for reshipment The Hewlett Packard Sales Service Office will also provide infor mation and recommendations on materials to be used if the original packing material is not available or is damaged If the instrument is to be shipped to a Hewlett Packard Sales Service Office for repair attach a tag showing owner model serial number and repairs required Page 2 1 Section HI Model 8012A SECTION Ill OPERATING INSTRUCTIONS 3 1 INTRODUCTION 3 2 Figure 5 1 shows the location of the controls and connectors the reference numbers used appear when appropriate in the following text in bold type As previously explained there are three operating modes and the necessary operating procedure for each will now be described Reference may also be made to the block diagram figure 5 2 3 3 NORMAL MODE 3 4 There are five ways of operating in the normal mode
11. llator may be triggered inter nally externally or manually it may also be gated A trigger pulse is generated for each output pulse and the delay between them may be varied External Width Mode tn this mode external pulses applied to the input socket on the rear pane determine the width and repetition rate of the output pulses Gating is not possible Note that the puise available at the trigger output socket being derived from the internal oscillator is not related to the external width output Figure 1 1 HP Mode 8012A Pulse Generator Page 1 3 Section c amp RZ Mode In this mode external pulses applied to the input socket on the rear panel determine the repet ition rate of the output pulses All other output pulse parameters are determined by the pulse generator s front panel controls but gating is not possible Note that the pulse available at the trigger output socket being derived from the internal oscillator is not related to the RZ output 1 4 ACCESSORIES AVAILABLE 1 5 Electronic test equipment cables connec tors adapters and other accessory items are available from Hewlett Packard For more information on specific items consult the Hewlett Packard Catalog or Sales Service Office Figure 2 1 Pulse Generator Page 1 4 Model 8012A 1 6 MANUAL IDENTIFICATION 1 7 This instrument carries a 10 character serial number on the rear panel the first 5 characters of which are
12. n MAN button 5 pressed once j Trigger output puise i TRIGGER OUTPUT 17 i f ff N Positive output pulse OUTPUT 20 Lae Variable Belay i a a p Sapasang Puises may be negative and the baseline offset as shown in figure 3 2 Figure 3 6 Output Waveforms Normal Mode Manual Page 3 3 Model 8012A 3 41 Square Wave 3 42 The appropriate circuits and controis are shown in figure 3 7 Use the following procedure to obtain an output similar to that shown in figure 3 8 a Set the Mode Selector 21 to N b Set the PULSE PERIOD switch 1 to an internal range as described in paragraph 3 6 or to EXT as de scribed in paragraph 3 8 and apply external trigger pulses in order to set the repetition rate of the output pulses c Set the PULSE WIDTH switch 10 to SQUARE WAVE d Set the amplitude risetime falltime polarity and offset of the output pulses as described in paragraph 3 6 PULSE PEHIOD PULSE WIDTH 19 VEANIER 7 ISQUARE WAVE 3 ri 7 DIER TRIGSEA OUT GATE INPUY 58 TRIGGER OUTPUT 17 N 6 TRIGGER TRIGGER a INPUT 16 R E med DIFFERENT EAT OH TRANSITION TE 3 LEADING EDGE amp AMPLITUDE 4 FRAMING EDGE 12 POLARITY 19 YERNIER 9 i 1 i H Z i f H INTEGRATOR m Eee Pree ty a PoospATTENUATOR OUTPUT 20 t J DE OFFSET pon OFFSET 13 YERNIER 14 EMITTER FOLLOWER Figure 3 7 Operation Block Diagram Norma Mode Square Wave
13. p 200 x 142 x 30mm Model 8012A SECTION GENERAL INFORMATION 1 1 INTRODUCTION 1 2 The Hewlett Packard Model 8012A Pulse Generator is a multi purpose pulse source capable of generating a wide variety of output pulse waveforms either as single pulses or as pulse trains with repetition rates from 1Hz to 50 MHz The transition times amplitude width and polarity of the output pulse s may be varied as required by means of easily identified front panel controls The pulse width may be deter mined by the pulse generator s width contro normal mode by external signals external width mode or by switching the width control to the square wave position this causes the output pulse width to equal one half the pulse period With the offset control in the off position the square wave is symmetrical above and below zero volts All the output pulses may have their baseline shifted above and below the zero volt reference line by means of the front panel offset controls Trigger pulses are available for synchronising external circuits and a delay control enables the delay time between the trigger and output pulses to be varied as required Synchronous gating of the trigger and output pulses is possible by applying a pulse to the gate input socket 1 3 follows Section Three modes of operation are possible as Normal Mode in this mode the internal oscillator determines the repetition rate of the output pulses The osci
14. riate circuits and controls are shown in figure 3 3 Use the following procedure to obtain an output similar to that shown in figure 3 4 a Set the Mode Selector 21 to N b Apply suitable trigger pulses to the TRIGGER INPUT socket 16 c Set the PULSE PERIOD switch 1 to EXT for positive trigger input pulses or to EXT for negative trigger input pulses d Set the delay between the trigger and output puises as described in para graph 3 6 e Set the width amplitude risetime falitime polarity and offset of the output pulses as described in para graph 3 6 Section IH PULSE DELAY amp PULSE Win tE 0 F VEANIER IT PULSE PERIGO J VEANIER 7 je fy re F P A 7 RATE DELAY WIDTH 3 ots lt GENERATOR GENERATOR GENERATOR FO DIFFERENTIAZOR GATE tN TRANSITION TIME 3 GATE WaT 13 TRIGGER OUTPUT 17 LEADING ENGE AMPLITUDE 4 TRAILING EDGE 12 POLAAITY t9 VERNER 9 SuTPUT AMPLIFIER FAIGGER INPUT 15 TRIGGER IN i EMITTER FOLLOWER ATTENUATOR DC OFFSET CUIPUT A OFFSET 33 VERRIER 54 Figure 3 3 Operation Biock Diagram Normal Mode External Trigger Positive trigger puises TRIGGER INPUT 16 PULSE PERIOD 1 EXT ta 7S OR i Sinewave trigger input g iTRIGGER INPUT 16 nae N PERIGD 1 EXT H Negative trigger puises TRIGGER INPUT 18 osv Y P PULSE PERIOD 1 EXT OR Sinewave trigger input TRIGGER INPUT 16 PULSE P
15. s OUTPUT 26 I Variable Delay Variable Output pulses may also be g lt BnS to 18 Width negative The basetine may be offset RZ input pulse period guiput pulse period 8 Figure 3 17 Output Waveform RZ Mode 3 17 EXTERNAL WIDTH MODE 3 18 External pulses applied to the INPUT connector 22 on the rear pane trigger the transition time circuit figure 3 12 The output thus obtained cannot be gated and as explained in paragraph 3 19 is independent of the TRIGGER OUTPUT 17 The following procedure should be used to obtain outputs similar to those shown in figure 3 11 a Set the Mode Selector 21 to EXT WIDTH Page 3 4 Section I b Set the amplitude risetime falltime polarity and offset of the output pulses as described in paragraph 3 16 DIFFERENT IATOR See Fig 3 14 for rate Generator EXTERNAL INPUT 22 TRANSITION TIME J AMPLITUDE 4 VERNIER 9 ni wd ATTENUATON DG OFFSET OFFSET I VERNER f4 LEADING EDGE 8 bahar EDGE 19 POLARITY 19 s 4 EMITTER FOLLOMER Figure 3 42 Operation Block Diagram External Width Mode INTEGRATOR OUFPUY Pa QurPut AMPLIFIER i irregular external width input pulses INPUT 22 h EE E E E Positive output putses H i ue OUTPUT 20 bate Width Lea eres 1 1 t 5 Fixed os Deiay Output pulses may be negative and the output pulse baseline offset as shown in figure 32 Not
16. termed the serial number prefix If the prefix does not agree with that quoted on the title page reference should be made to the change sheets supplied with the manual To obtain further information for any instru ment contact the nearest Hewlett Packard Sales Service Office always specify the mode number and complete serial number 1 8 ORDERING ADDITIONAL MANUALS 1 9 One manual is shipped with each pulse generator Additional manuals may be purchased from the local Hewlett Packard field office see list at rear of this manual for addresses Specify the model number complete serial number prefix and HP stock number provided on the title page and Supplied Accessories Model 8012A Section SECTION Ii INSTALLATION 2 1 INITIAL INSPECTION 2 2 Inspect the instrument for physical damage and check its operation as soon as possible after delivery Section IV contains performance check procedures which will verify instrument operation within the published specifications This check is suitable for incoming quality control inspection If physical darnage is evident or the instrument does not meet specifica tions when received notify the carrier and the nearest Hewlett Packard Sales Service Office see list at rear of this manual The Sales Service Office will arrange for repair or replacement without waiting for settlement of a claim with the carrier The certification and warranty statements for all H
17. the shape of the output pulses is determined by the pulse forming circuits following the delay generator The output pulses cannot be gated and as explained in paragraph 3 19 are independent of the pulses at the TRIGGER OUTPUT socket 17 The following procedure should be used to obtain outputs similar to those indicated in figure 3 11 a Set the Mode Selector 21 to RZ b Set the delay between the external applied pulses and the resulting out put pulses by selecting the range required on the PULSE DELAY switch 6 and adjusting the VERNIER 7 If trigger pulse passes OUTPUT 17 i i with leading edge J of gate pulse t Gated positive output i pulses OUTPUT 20 Section fll c Set the PULSE WIDTH switch 10 to the required range then adjust the VERNIER 11 for the exact pulse width d Set the amplitude risetime failtime polarity and offset of the output pulses as described in paragraph 3 6 See Fig 3 14 iaren gaat for rate WIDTH GENERATOR DEEFERENTIATOR Generator DELAY GENERATOR INPUT 22 TRANSITION TIME J ary st LEADING ENGE 8 AMPLITUDE 4 TRAILING EDGE I2 POLARIYY I VERMIER s i iawn EMITTER a OUTPUT INTESRATOR FOLLOWER a AMPLIFIER g WVERTER OUTPUT 20 De OFFSET K OEFSEY 19 VERNIER 14 Figure 3 10 Operation Block Diagram RZ Mode gt 1V f RZ input pulses INPUT 22 paean j 7 ans Positive output pulse
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