AVTECH ELECTROSYSTEMS AVRQ-4-B Скачать руководство пользователя страница 2 | Manualshive

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WARRANTY

Avtech Electrosystems Ltd. warrants products of its manufacture to be free
from defects in material and workmanship under conditions of normal use. If,
within one year after delivery to the original owner, and after prepaid return by
the original owner, this Avtech product is found to be defective, Avtech shall at
its option repair or replace said defective item. This warranty does not apply to
units which have been dissembled, modified or subjected to conditions
exceeding the applicable specifications or ratings. This warranty is the extent of
the obligation assumed by Avtech with respect to this product and no other
warranty or guarantee is either expressed or implied.

TECHNICAL SUPPORT

Phone: 888-670-8729 (USA & Canada) or +1-613-686-6675 (International)

Fax: 800-561-1970 (USA & Canada) or +1-613-686-6679 (International)

E-mail: [email protected]

World Wide Web:

http://www.avtechpulse.com

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Содержание AVRQ-4-B

Страница 1: ...ERIAL NUMBER 14057 A V T E C H E L E C T R O S Y S T E M S L T D N A N O S E C O N D W A V E F O R M E L E C T R O N I C S S I N C E 1 9 7 5 info avtechpulse com http www avtechpulse com Tel 888 670 8...

Страница 2: ...ace said defective item This warranty does not apply to units which have been dissembled modified or subjected to conditions exceeding the applicable specifications or ratings This warranty is the ext...

Страница 3: ...OWER RATINGS 13 CONNECTION TO THE POWER SUPPLY 13 PROTECTION FROM ELECTRIC SHOCK 14 ENVIRONMENTAL CONDITIONS 15 FUSES 16 AC FUSE REPLACEMENT 16 DC FUSE REPLACEMENT 17 FUSE RATINGS 17 CHASSIS CONFIGURA...

Страница 4: ...BASIC THEORY 45 TYPICAL POSITIVE RESULTS WITH NO DUT INSTALLED 47 TYPICAL NEGATIVE RESULTS WITH NO DUT INSTALLED 48 HCPL 7721 RESULTS 49 INDUCTIVE SPIKES AND PROBE SATURATION 52 DC CORRECTNESS ISSUES...

Страница 5: ...KEYPAD DISPLAY BOARD 68 PCB 228C OP AMPS AHV AND XHV UNITS 69 DUT WIRING ON MAIN PCB 70 DUT WIRING ON STANDARD DAUGHTERBOARD PCB 267D 71 DUT WIRING ON SO 8 DAUGHTERBOARD PCB 314A 72 DUT WIRING ON WDI...

Страница 6: ...used a different socketing and daughterboard arrangement Current units have a different arrangement that offers lower parasitic inductance The AVRQ 4 B mainframe provides the high voltage common mode...

Страница 7: ...pulse parameters along with a four line by 40 character backlit LCD display of the rise time pulse width pulse delay and pulse repetition frequency The instrument includes memory to store up to four...

Страница 8: ...uld always be observed 1 Keep exposed high voltage wiring to an absolute minimum 2 Wherever possible use shielded connectors and cabling 3 Connect and disconnect loads and cables only when the instrum...

Страница 9: ...seconds for all trigger modes including external trigger Sync output 3 Volts 100 ns will drive 50 Ohm loads Gate input Synchronous active high or low switchable Suppresses triggering when active Other...

Страница 10: ...Also check that your load is adequately shielded It may be necessary to enclose the load in a metal enclosure If any of the connectors on the instrument are unused they should be covered with shielde...

Страница 11: ...tion of conformity is issued under the sole responsibility of Avtech Electrosystems Ltd Specifically products manufactured do not contain the substances listed in the table below in concentrations gre...

Страница 12: ...9 have been made Requirements for WEEE compliance may include registration of products with local governments reporting of recycling activities to local governments and financing of recycling activiti...

Страница 13: ...te AC and DC fuses This instrument is an Installation Category II instrument intended for operation from a normal single phase supply CONNECTION TO THE POWER SUPPLY An IEC 320 three pronged recessed m...

Страница 14: ...erators are prevented access and or are insulated from every connection point In some cases connections must be exposed to potential human contact Operators must be trained to protect themselves from...

Страница 15: ...ndoor use 2 altitude up to 2 000 m 3 temperature 5 C to 40 C 4 maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C 5 Mains supply voltage fluct...

Страница 16: ...the fuses on the rear panel are shown in the figure below AC FUSE REPLACEMENT To physically access the AC fuses the power cord must be detached from the rear panel of the instrument The fuse drawer ma...

Страница 17: ...Nominal Mains Voltage Rating Case Size Recommended Replacement Part Littelfuse Part Number Digi Key Stock Number 1 2 AC 100 240V 0 5A 250V Time Delay 5 20 mm 0218 500HXP F2416 ND 3 DC N A 1 6A 250V Ti...

Страница 18: ...its enclosure with the DUT area located on the rear panel The DUT area may optionally be moved to the front panel by specifying the FPD option This is more convenient for the user but it increases the...

Страница 19: ...e instrument and turn the indicator light yellow The light will stay yellow i e output disabled for about 5 seconds after which the instrument will attempt to re enable the output i e light green for...

Страница 20: ...meric parameters is displayed this decreases the setting by a factor of ten If one of the adjustable numeric parameters is displayed and this parameter can be both positive or negative this changes th...

Страница 21: ...see the FUSES sections of this manual for more information 4 GATE This TTL level 0 and 5V logic input can be used to gate the triggering of the instrument This input can be either active high or activ...

Страница 22: ...the instrument to be remotely controlled using the VXI 11 3 ssh secure shell telnet and http web protocols See the Programming Manual for B Instruments for more details 9 DUT Door This is the door tha...

Страница 23: ...keting arrangement In demanding test scenarios it may be preferable to connect to probe points on the daughterboard instead B is provided for this purpose B provides access to the two pin header conne...

Страница 24: ...tion If this indicator is yellow an internal automatic overload protection circuit has been tripped If the unit is overloaded by operating at an exceedingly high duty cycle or by operating into a very...

Страница 25: ...ble numeric parameters is displayed this decreases the setting by a factor of ten If one of the adjustable numeric parameters is displayed and this parameter can be both positive or negative this chan...

Страница 26: ...the differential probe install the probe so that the side is on the left and the side is on the right A differential probe is used to help eliminate noise coupled from the high voltage signals Please...

Страница 27: ...9 VCC2 OUT Connector Optional feature Present on units with the V2 option only This output is wired in parallel with the VCC2 connection on the DUT socket and may be used for monitoring purposes 27...

Страница 28: ...hese two fuses protect the internal DC power supplies Please see the FUSES sections of this manual for more information 4 GATE This TTL level 0 and 5V logic input can be used to gate the triggering of...

Страница 29: ...pin male connector can be attached to this connector to allow the instrument to be computer controlled A user name admin and a password default as shipped from the factory are required when logging in...

Страница 30: ...e HV PULSE pulse When the delay is set to a negative value the SYNC pulse follows the HV PULSE pulse These pulses are illustrated below assuming internal triggering a positive delay and positive ampli...

Страница 31: ...ger modes Internal Trigger the instrument controls the trigger frequency and generates the clock internally External Trigger the instrument is triggered by an external TTL level clock on the back pane...

Страница 32: ...instrument can be set to stop triggering when this input high or low using the front panel gate menu or the appropriate programming commands This input can also be set to act synchronously or asynchro...

Страница 33: ...ard for observation of the device logic output with a user provided probe and oscilloscope An optional probe point is also provided on the sample daughterboards The ground referenced output side power...

Страница 34: ...have the pinout shown below The socket and the sample daughterboards are designed so that the daughterboard can be mated in only one position This is different than the related AVRQ 5 B model The dau...

Страница 35: ...digikey com product detail en A23C N403 ND The battery is not required if the DUT does not require a voltage or current bias for example when testing current drive opto couplers in the LED off state...

Страница 36: ...ghterboard Avtech PCB 267D are available for download at https www avtechpulse com semiconductor avrq 4 support_files The function of the various components is summarized below Reference Footprint Ins...

Страница 37: ...DIP socket is replaced with a footprint for an SO 8 package The user will need to solder the devices directly to the PCB limiting the number of times that each PCB and device can be used CAM files ar...

Страница 38: ...supplied Tektronix P6246 differential probe The use of a differential probe helps reduce spurious transient signal artefacts on the oscilloscope which are typically caused by ground bounce and interf...

Страница 39: ...ll connect to this DUT pin Function 1 4 1 HV pulse will be applied to these pins These pins are shorted together on the daughterboard The HV is accessible for monitoring on a rear panel BNC connector...

Страница 40: ...red Connector J6 is accessible through the LOGIC B hole in the DUT panel door Connector J7 is accessible through the LOGIC C hole in the DUT panel door Pin 1 of the WDIP16 socket is on the side furthe...

Страница 41: ...41...

Страница 42: ...onfiguration with a high current input bias on the LED In the above drawing an HCPL 2601 current drive opto coupler is installed on the daughterboard and the daughterboard is configured to drive the o...

Страница 43: ...1000 1 division ratio Remember to adjust the compensation of the probe to match your oscilloscope input INTER CHANNEL INTERFERENCE The test arrangements on the preceding pages show both the high volta...

Страница 44: ...simultaneously inter channel interference adds significant spurious noise artefacts to the logic signal With the high voltage pulse recorded earlier using the oscilloscope memory function before bein...

Страница 45: ...y holder on the daughterboard Please note that A23 batteries have a limited mA hr rating typically 30 mA hr when operating at 15 mA so the battery should be removed immediately after testing and its o...

Страница 46: ...46 HV PULSE AMP1 1 5 kV RISE TIME VARIABLE LOGIC OUT VCC AMP2 3V TO 43V GLITCH CAUSED BY INADEQUATE COMMON MODE TRANSIENT IMMUNITY CMTI...

Страница 47: ...in the socketing but with no DUT installed in the DIP8 socket on the daughterboard The lower waveform in each photo is the LOGIC OUT A output with R2 1 k A small signal is coupled through parasitic c...

Страница 48: ...in the socketing but with no DUT installed in the DIP8 socket on the daughterboard The lower waveform in each photo is the LOGIC OUT A output with R2 1 k A small signal is coupled through parasitic c...

Страница 49: ...for 5V input tests 0 for 0V input tests Zero Ohm Jumper to connect DUT pin 2 to GND1 R10 Not used Zero Ohm Jumper to connect DUT pin 3 to GND1 R11 0 Zero Ohm Jumper to connect DUT pin 4 to GND1 BT1 O...

Страница 50: ...p high voltage pulse Bottom Logic output for 0V input Top high voltage pulse Bottom Logic output for 5V input The actual daughterboard and DUT are shown below configured for a 5V logic input Top side...

Страница 51: ...Bottom side 51...

Страница 52: ...ients keep in mind this possibility of probe saturation DC CORRECTNESS ISSUES The sample daughterboards provided with the AVRQ 4 B are designed to bias the input side of the optocoupler with a fixed b...

Страница 53: ...testing and its output should verified to be between 6V and 12V before each test The high voltage circuits are only on when the instrument is powered on AND the DUT door is closed AND the output has...

Страница 54: ...emely sensitive to interference coupled to pin 7 which unwisely provides a connection to the photo transistor base To test this as a possible problem source try snipping off pin 7 on your device and s...

Страница 55: ...t the front panel indicates that the output is off before touching the DUT area For maximum safety turn off the instrument before accessing the DUT area AUTOMATIC TIMEOUT The output is disabled automa...

Страница 56: ...ope probe test load cables and any adapters used are rated for 2 kV pulsed operation 2 Turn on the AVRQ 4 B The main menu will appear on the LCD 3 To set the AVRQ 4 B to trigger from the internal cloc...

Страница 57: ...set at 1 5 kV c Press CHANGE to return to the main menu 7 To set the VCC2 amplitude to 5V a Press the MOVE button until the arrow pointer is pointing at the AMP2 menu item b Press the CHANGE button Th...

Страница 58: ...p 5 As you rotate the ADJUST knob the rise time on the oscilloscope will change 11 90 seconds after the last parameter change the instrument will automatically shut the output off Confirm that this oc...

Страница 59: ...d cables and any adapters used are rated for 2 kV pulsed operation SHORT CIRCUIT PROTECTION The output will withstand temporary short circuit conditions However short circuit conditions should not be...

Страница 60: ...e no user adjustable internal circuits For repairs other than fuse replacement please contact Avtech info avtechpulse com to arrange for the instrument to be returned to the factory for repair Caution...

Страница 61: ...s recommended TRIGGER DAMAGE The rear panel TRIG input used in the external trigger mode is protected by a diode clamping circuit However the protection circuit is not foolproof and it is possible for...

Страница 62: ...ll turn off automatically 90 seconds later if no further commands are sent before then For triggering a single event this sequence would be more appropriate rst resets the instrument trigger source ho...

Страница 63: ...REQuency CW FIXed numeric value SOURce PULSe PERiod numeric value WIDTh numeric value DCYCle numeric value HOLD WIDTh DCYCle DELay numeric value GATE TYPE ASYNC SYNC LEVel HIgh LOw TRANsition LEADing...

Страница 64: ...IGger SOURce INTernal EXTernal MANual HOLD IMMediate CLS no query form ESE numeric value ESR query only IDN query only OPC SAV 0 1 2 3 no query form RCL 0 1 2 3 no query form RST no query form SRE num...

Страница 65: ...st G 1 G 2 B1 G 4 G 3 L N G X2 CORCO M6EGG 1 2POWERENTRY M O DULE 1 1b 1a 2 2b 2a X1 POWERSWITCHSW325 ND CWINDUSTRIES G RS 4022 0013 A1 BRO WN A2 BLUE A3 BLACK A4 WHITE GR N AMB D1 P395 NDLED GRN AMB...

Страница 66: ...D GND GREEN GND AMBER DC IN DC IN DC IN GND GND GND 20 AWG PCB158R5 HI EXTPS GND K A J1 J2 J3 J4 J5 J6 J7 J9 FAN J10 GND GND GND 20 AWG C J12 GND C J8 GND J11 BD1 PCB158R5 2 INST A LLC31 2 2uFCE R CH...

Страница 67: ...PCB 158R5 LOW VOLTAGE POWER SUPPLY...

Страница 68: ...PCB 104G KEYPAD DISPLAY BOARD...

Страница 69: ...PCB 228C OP AMPS AHV AND XHV UNITS...

Страница 70: ...E 16 PULSE 20 G 21 G 22 G 23 G 24 G 25 G 26 G 27 G 28 OUT 29 OUT 33 VCC2 36 VCC2 40 41 42 43 44 G 51 G 52 G 53 G 54 G 55 G 56 G 57 G 58 G 61 G 62 G 63 G 64 G 65 G 66 G 67 G 68 G 71 G 72 G 73 G 74 G 75...

Страница 71: ...DUT WIRING ON STANDARD DAUGHTERBOARD PCB 267D...

Страница 72: ...DUT WIRING ON SO 8 DAUGHTERBOARD PCB 314A...

Страница 73: ...DUT WIRING ON WDIP16 DAUGHTERBOARD PCB 325A...

Страница 74: ...CB295F CONN4 GATE CONN5 EXTTRIG 24V NO OLO 15VON OFF 5V 15V VVCC AHV UVP 24V NOOLO M EDV TRIG GND 24V OLO ALARM PULSE GND C E B POL AHV UVN V2 15V RISE BD2 PCB266D 5V 15V KEEP PULSE G NDSHO RTAND DIRE...

Страница 75: ...PERFORMANCE CHECK SHEET 75...

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