HP 8081A User Manual Download

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Summary of Contents for 8081A

Page 1: ...ill find any other available product information on the Agilent Test Measurement website www tm agilent com HP References in this Manual This manual may contain references to HP or Hewlett Packard Please note that Hewlett Packard s former test and measurement semiconductor products and chemical analysis businesses are now part of Agilent Technologies We have made no changes to this manual copy In ...

Page 2: ...mber 1604G 00101 For instruments with lower serial numbers refer to the backdating information in Section 8 of this module manual For instruments with higher serial numbers refer to the Manual Change sheets at the end of this module manual 0265 COPYRIGHT HEWLETT PACKARD GMBH 1975 703 BOBLINGEN HERRENBERGER STR 110 WEST GERMANY J MANUAL PART NO 08081 90001 MICROFICHE PART NO 08081 90501 Printed in ...

Page 3: ...RANTY AND ASSISTANCE This Hewlett Packard product is warranted against defects in materials and workmanship This warranty applies for one year from the date of delivpry Hewlett Packard will repair or replace products which prove to be defpctiVl during the warranty period provided they are returned to Hewlett Packard No otht r warranty is expn sspd or implied We are not liahle for consequential dam...

Page 4: ... 12 3 21 3 24 3 26 3 28 3 36 3 40 Introduction 3 1 Panel Features 3 1 Operator s Checks 3 1 Operating Instructions 3 1 Operator s Checks 3 1 Initial Control Settings 3 1 Operating Instructions 3 3 Initial Control Settings 3 3 Normal Mode 3 3 Trigger Mode 3 3 External Gate Mode 3 4 Internal Gate Mode 3 4 Table 1 1 1 2 4 1 6 1 6 2 7 1 7 2 Figure Page Recommended Test Equipment 1 2 Specifications 1 3...

Page 5: ...ow Test Setup 4 2 External Gate Mode Slow Test Setup 4 3 Manual Function Test Setup 4 4 External Trigger Mode Fast Test Setup 4 5 External Gate Mode Fast Test Setup 4 5 Duty Cycle Adjustment Test Setup 5 2 Frequency Adjustment Test Setup 5 2 8081 A Replaceable Parts 6 4 SCHEMATIC DIAGRAMS Diagram Page 1 2 3 Control Board A1 300 MHz Rate Generator Board A2 Distribution Board A3 7 9 7 11 7 12 ...

Page 6: ...SCREWS CABLE 808TA Figure 1 1 8081 A 300 MHz Rate Generator Module and Suppl ied Accessories ...

Page 7: ... date and accurate as possible Hewlett Packard recommends that you periodically request the latest Manual Change supple ment The supplement for this manual is identified with this manual s print date and part number both of which appear on this module manual s title page Complimen tary copies of the supplement are available from Hewlett Packard HEWLETT PACKARD GmbH 1536G00062 BOBLINGEN Figure 1 1 ...

Page 8: ...A module an 8080A 1 21 Equipment required to maintain the 8081 A is listed in Table 1 1 Other equipment can be substi tuted if it meets or exceeds the critical specifications Iisted in the table Table 1 1 Recomme nded Test Equ ipment Instrument Critical Specification Recommended Model Used in Mainframe HP 8080A Performance Tests Adjustments Electronic Counter up to 350 MHz frequency HP 5345A Perfo...

Page 9: ... oto 300 MHz pulse width 1 7 ns gate on duration 1 period of int rep rate gate off duration 1 period 10 ns 50 n typical lV to 1V 200 mV p p neg pas selectable 6V on 10 ns off 20 ns 50 n typical 500 mV p p OV 100mV lV 500 mV p p OV 100 mV 50 10 50 n typical 1 2 ns 2V 1 500 mV p p OV 100 mV 50 10 50 n typical 1 2 ns 2V Repetition rate is determined by front panel controls Repetition rate is controll...

Page 10: ... repair or repla cement without waiting for claim settlement 2 5 PREPARATION FOR USE 2 6 Installation in 8080A Mainframe ICAUTION The following installation procedure must only be carried out by qual ified service personnel 3 Remove the 80BOA mainframe top cover 4 Insert the BOB1 A in the required posi tion in the BOBOA mainframe there are no electrical limitations on the position 5 Secure the 80B...

Page 11: ...cking is not available or re usable General instructions for re packing are as fol lows 1 Wrap instrument in heavy paper or plastic 2 Use strong shipping container A double wall carton made of 350 pou nd test material is adequate 3 Use enough shock absorbing material 3 to 4 inch layer around all sides of instru ment to provide firm cushion and prevent movement inside container Protect control pane...

Page 12: ...ning at selected repetition rate TRIG rate generator output is shaped version of input Input is either via the MAN pushbutton or an external signal into the EXT INPUT connector EXT GATE gate signal turns rate generator on synchronously Repetition rate as selected on rate controls Gate iignal either via the MAN pushbutton or the EXT INPUT connector Max gate frequency 150 MHz INT GATE external input...

Page 13: ...at explain in detail the function of each of the 80S1 A controls All operating modes are described However 1nternal Gate mode can only be used if an 8084A 300 MHz Word Generator module is avai lable 3 9 OPERATOR S CHECKS 3 10 The test set for the Operator s Checks is as shown in figure 3 2 The 8081 A Rate Generator mo dule must be mounted in an S080A Mainframe 3 11 Set the LI NE switch 9 on the 80...

Page 14: ...IAL CABLE Figure 3 2 Test Set for Operator s Checks NEG pOs ro AN OSCI LLOSCOPE D VERNIER EXT H4PUT LEVEl 2 GAtE NQR lOI TRIO EXT fN r J J t 1 1 JI I 1 1 RATE J I lH kHl H z O 100 O 1 toO 10 100 10 1 9 PULSE GENERATOR 0 0 0 OUTPUT 500HM TEE 50 OHM COAXIAL CABLES DUAL TIMEBASE CHANNE L PLUG I N VERTICAL EXT PLUG I N INPUT o 00 L CH CH A B Figure 3 3 Suggested Equipment Setup for Operating Instructi...

Page 15: ...the internal repetition rate generator The output is in fact a pulse shaped version of the input signal The input can be either external via the EXT INPUT j or local using the MAN pushbut ton For external triggering an external signal source is required The test set is as shown in figure 3 3 The changes in control settings are as follows 3 24 Initial Control Settings 8081A CD RATE range switch 1 M...

Page 16: ... input from the EXT INPUT connector J to the MAN pushbutton Set the oscilloscope timebase to about 0 2 sec em and trig ger internally Press the MAN pushbutton and note that the pulse output goes high when the button is pres sed and low when it is released The EXT INPUT LEVEL control has no effect in this mode Internal Gate Mode 3 39 Set the NEG POS MAN switch to POS and the EXT INPUT LEVE L contro...

Page 17: ...RECORD SPECI FICATION DESCRIPTION 2 Using the counter measure the Model 8081 A out put frequency at the following repetition rate settings 8081A RATE VERNI ER RESULT 300MHz 100MHz CCW 300MHz 300MHz 100MHz CW 100MHz 100MHz lOMHz CCW 100MHz 100MHz 10MHz CW 10MHz 1OM Hz 1MHz CCW 10MHz 10MHz 1MHz CW 1MHz 1MHz 100KHz CCW 1MHz 1MHz 100KHz CW 100KHz 100KHz 10KHz CCW 100KHz 100KHz 10KHz CW 10KHz 10KHz 1KH...

Page 18: ...Sampling oscilloscope HP 182C Mainframe with 1810A plug in DESCRIPTION PROCEDURE 1 Set up the equipment as shown in figure 4 2 and set the controls as follows The function of the Model 8081 A is tested in external trigger mode using an external sinewave generator to apply a trigger signal of 10KHz so OHM TERL4lNATlON REI L TIME OSCILI OSCOP RATE range 300MHz 100MHz Rate VERN IER CW Operating Mode ...

Page 19: ...inewave generator to apply a gate signal of 10KHz Frequency 10KHz Amplitude 1VRMs 3 Check that during the positive slope of the oscilla tor output a positive pu Ise output occurs 4 Turn EXT INPUT LEVEL control from positive to negative and observe waveforms so OHM TEE SQOHM TERMINATION REAl IME OSCU LOSCOPE Figure 4 4 External Gate Mode Slow Test Setup EQUIPMENT Oscillator HP 651 B Real Time Oscil...

Page 20: ...trols as follows 8081 A 4 Turn EXT INPUT LEVEL control from positive to negative and observe the waveforms RATE range 100KHz 10KHz Rate VERNIER CCW Operating Mode switch GATE EXT EXT INPUT LEVEL NEG POS MAN switch MAN Oscilloscope OSCILLATOR I I OUTPUT __I_ I I I I I I I I I I I I I I 8081A IlJU OUTPUT __ I I I I I I I I 11nJllUlJlJt 2 Sensitivity 1V div Trigger internal Timebase main 10IlS div Pr...

Page 21: ...graph 4 10 4 13 SPECIFICATION SAMPLING OSCILLOSCOPE DESCRIPTION Figure 4 6 External Trigger Mode Fast Test Setup EQUIPMENT The maximum external gate frequency of the Model 8081 A is tested in external gate mode using an external pulse generator to apply a gate signal of 150MHz SAr lPLIfIlG OSCII LOSCOPE 1 Set up the equ ipment as shown in figure 4 6 and set the controls as follows PROCEDURE Pulse ...

Page 22: ...ng Mode switch GATE EXT EXT INPUT LEVEL center NEG paS MAN switch pas 2 3 Oscilloscope Sensitivity 200mV div Trigger external Timebase mode expanded Timebase direct 20ns div Timebase expanded 5ns div Adjust the EXT INPUT LEVE L control for a stable 150 MHz pulse presentation on the display Observe that each external gate pulse releases two 8081 A pulses ...

Page 23: ...y Model 8081 A Date 300MHz Repetition Rate Generator Serial No Paragraph Results Test Number Min Actual Max 4 7 Repetition Rate 10Hz to 300MHz 10HZ 300MHz 4 8 Trigger Output Trigger Output Pulse 6V 50mV 0 55V O 65V to OV 50mV O 05V 0 05V Duty Cycle 50 10 40 60 ...

Page 24: ...rmed only by qualified service personnel 5 11 ALIGNMENT TOOL IWARNING I 5 12 A non metallic alignment tool must be used when making any adjustments to the Model 8081 A 5 14 After making the adjustments carry out the Performance Checks in Section 4 Any interruption of the protective grounding conductor inside or outside the instrument or disconnection of the protective earth terminal is likely to m...

Page 25: ...t Setup 3 Set up the equ ipment as shown in figure 5 2 and set the controls as follows PROCEDURE 80Bl A 1 Set up the equipment as shown in figure 5 1 and set the controls as follows 8081A RATE range 300 100MHz Rate VERNIER Clockwise Operating Mode NORM Oscilloscope RATE RANGE 300 100MHz Rate VERNIER CCW Operating Mode NORM Counter Frequency 350MHz Sensitivity 200m V d iv Trigger internal Timebase ...

Page 26: ...r and set the controls as follows External Pulse Generator Repetition Rate 50MHz Operating Mode square wave Ampl itude 1V Polarity positive 8081A RATE range 300 100MHz Rate VERNIER CCW Operating Mode GATE EXT Input Polarity POS EXT INPUT LEVEL approx 0 5V Oscilloscope same settings as for previous adjust ment step 7 10 Check the duty cycle of the first pulse on the dis play If necessary readjust R...

Page 27: ...in the instru ment This is given only once for each part at the first appearance of the part in the list c The description of the part d A typical manufacturer of the part in a five digit code e The manufacturers code number for the part ORDERING INFORMATION 6 5 REPLACEABLE PARTS 6 6 Table 6 2 is the list of replaceable parts and is organised as follows a Illustrated parts breakdowns for chassis m...

Page 28: ... TROL BOAR D 0 0 P OWl MP11 TAPE ADHESIVE BOTH SIDES TAPE SCREENING MP 10 I l I 10 o I l E P O Wl P OW2 P OW1 P OW2 II A1W2 A1W2 i AIWl 1 A2 A2 A2 A2 J6 I I J7 J4 LOWER J5 UPPER I 2J1 BJ IrR L r II h II A1W1 1 II 2 A2X3 I Ie Ir A1 A2X2 A3X MP3 f MP3 f lJ I r r A3 C 7 0 1 IT r Rl I 10 f 01r MP5 MP 10 I MP 12 MP7 MPll MPa MP9 Figure 6 1 8081 A Replaceable Parts ...

Page 29: ...R UM ER Al CijCUI tt CI 02 9CEI H5 2 3 03091 005 3 MPl 31C l L nz 0 7 1 0 P 3 04C3 Q 1t4 MP E ijl I MPb 3101 0351 Mf 7 v 89 p II 146 1070 OESCRIPTIGN 3D AY CD rpCL to AV PATE ec AY MCT EP KNOB HCe GLllJE PC PANEL fRONT UP PUSh dUTTOi PANEL SUB APE INOL 7S P VAR 10K 5 I_ CUL AY NIL CUT RATE VE R I t R ...

Page 30: ...F lUF 5 K A2 RS lvB 3 8Z45 R F 20jC 5 25 A2 plOd 06se 479 R F 14KU 12j AZ CI3 o IH 3410 L F l OF 5 K A2 01 Ido OZO TRAI 5 I STUR AZ I 55 ij d2it F ZllK51 Z5 AZ 109 2100 3 3 9 R VAR 100 tiOl AZ Cl i t60 34 70 C F 0IUF OK AZ 2 IB 53 0Z 84 TRANSISTOR AZ R5i 0751 C3 R F 75 H tZ 5 A2 RI 06SB 74b3 R f BZ LO t U5 A2 CI5 1160 34 7 e F lUF 5 K AZ 03 I 8 4 C215 X TR 51 NPN A2 III 06S8 HII R F 30 51 IZ5_ AZ ...

Page 31: ...7 4 Test equipment and test equipment acces sories required to maintain the Model 8081A are listed in table 1 1 Equipment other than that listed can be used if it meets the listed critical specifications A assembly U micro circuit B motor P plug BT battery Q transistor C capacitor R resistor CP coupler RT thermistor CR diode S switch DL delay line T transformer DS lamp TB terminal board F fuse V v...

Page 32: ...ine indicates primary feedback path Wire colour code Same as resistor colour code First number is wire body colour Wire our plug used as link Test point ina circuit Point may may not be identi fied on P C board Used with trimmer potentiometers or capacitors to indicate screwdriver adjustment Direct connection to earth Ground connection to instrument chassis or frame Used when a number of common re...

Page 33: ... 9 6 9 6 2 position 2 pole slide switch II If bead l Air cored inductor Air cored transformer The dot e is used when necessary to indicate instantaneous polarity Iron core Ferrite core Ferrite bead Varactor diode Multi junction diode Diode Zener diode Schottky diode Light Emitting Diode LED Photodiode Fuse Neon Filament lamp ...

Page 34: ... connector and socket example of bulkhead mounted coaxial socket with free coaxial plug and cable example of coaxial cable with termination soldered to P C board Analog Digital logic symbols 2 input NAND gate 2 3 4 input NOR gate L 6 R Q Inverter Flip flop The dynamic indicator denotes that this is a dynamic input and operates on a transition not a level ...

Page 35: ...x Letters can be used inside the rectangle to clarify the function A truth table should be included as close as possible to the circuit 14 U6 Schmitt trigger Wired AND connection Wired OR connection 2 3 Operational amplifier Voltage source Current source ...

Page 36: ...s1ination The circle contains the signat number and the square contains the numb er of the schema 1ic to which that signal goes These references on a signat entering a SChematic diagram Indicate the signal crigin The circle contain s the signal number and the square conto lns the number of the schematic on which that signal originates ...

Page 37: ...7 8 FRONT PANEL INSIDE A1Wl A1W2 A1 r il A1J3 71 L 1 14 8 7 1 o Rl A1R1 C NO NC I 1 A152 I J 08081 66501 CONTROL BOARD SERVICE SHEET 1 ...

Page 38: ...UT 5K LEVEL lOV MAN PUSHBUTTON 10V i ARJ E BOARDI N177 k O _ _ _y_I OBOB1 66502 1 J til l I II W L __ OV o I I I MHz N BOARDI 08081 66502 W2 54 1 _ I 08081 66501 A1 CONTROL BOARD L _ 51 10V 0 _ oNlels 1 CONTROL BOARD A1 ...

Page 39: ...0 08081 66502 300MHz RATE GENERATOR BOARD A2 J 1 WI JUMPER 1 CI O 1 2 3 I 5 6 7 8 9 10 11 12 13 11 15 A8COEFHJ KLMNPRS FREQUENCY PGM I5Il COMPONENT SIDE CIRCUIT SIDE QCOLLECTOR EMITTER BASE SERVICE SHEET 2 ...

Page 40: ... C6 33 A2 300 MHz RATE GENERATOR BOARD 108081 665021 ROO 3 011 5 r Y 031 1 81 JJ 7 O4 R1261 W R1 R7 1 I _ J9 H i c 6 X1l1 I L C26 I I I i sf 1 6 0 l lr I 36 IOA1 3 Q lOl I i II U Y 81 I ONTROl R9S IIK iQ b t I BOARD I 1OIK i 7a 4 J i oa08 e S2 r v 2 I L pa I l _ l l d I r r JCJ X3 t t IOV m C1_l_J ffi 5 r lIP 3 1 10 3 P 1 A 1 025 H Qr R 0lO CONTROL BOARD l LiK I 0 0 106061 E6S0n 029 RIO SI l o _12...

Page 41: ...DE PGM PGM I 1 1 1 LJi I A3 DISTRIBUTION B I L I L ___ f f I i GNO 1 A I I I I i I 20V 2 8 i I r r I I IOV 3 C I I 1 i i 5 2V 0 I I i i I I IOV 5 E I I I I i I I GNO 6 F I I I I I I 7 I H i I r I I 8 J i I I 1 i i 9 K I I I I I I 10 l I I I I I I 11 M i I I I i I 12 N I I 1 I I 13 P I I I I I l R I I 1 I I I I lSI I I 1 I co c NOT USED SERVICE SHEET 3 A3 DISTRIBUTION BOARD ...

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