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Use of Operation Man

ual

Please read through and understand this Operation Manual before operating the prod

uct.

After reading, al

ays k

eep the manual nearby so that you may refer to it as

needed.

When mo

ving the product to another location, be sure to bring the manual as

well.

If you

nd an

y incorrectly arranged or missing pages in this manual, the

y will be

replaced. If the manual it gets lost or soiled, a ne

w cop

y can be pro

vided for a fee. In

either case, please contact Kikusui distrib

utor/agent, and pro

vide the “Kikusui P

art

No.

” gi

en on co

This manual has been prepared with the utmost care; ho

, if you ha

e an

y ques

tions, or note an

y errors or omissions, please contact Kikusui distrib

utor/agent.

Microsoft and

isual Basic are re

gistered trademarks of Microsoft Corp., U.S.A.

Reproduction and reprinting of this operation manual, whole or partially

, without our

permission is prohibited.

Both unit speci

cations and manual contents are subject to change without notice.

yright Kikusui Electronics Corporation

Printed in Japan

Содержание KJM6310

Страница 1: ...KJM6310 Part No Z1 003 062 IA003161 Jan 2004 OPERATION MANUAL Time Interval Jitter Meter...

Страница 2: ...be provided for a fee In either case please contact Kikusui distributor agent and provide the Kikusui Part No given on cover This manual has been prepared with the utmost care however if you have any...

Страница 3: ...ly after you make sure that no voltage is output here Indicates an imminently hazardous situation which if ignored will result in death or serious injury Indicates a potentially hazardous situation wh...

Страница 4: ...injury may result Be sure to handle it under supervision of qualified personnel those who have electrical knowledge This product is not designed or produced for home use or use by general consumers Pu...

Страница 5: ...the AC power cord or stop applying power before performing maintenance or checking To maintain performance and safe operation of the product it is recommended that peri odic maintenance checking clean...

Страница 6: ...ategory II Equipment of overvoltage category II is energy consuming equipment to be supplied from the fixed installation Examples of such equipment are appliances portable tools and other household an...

Страница 7: ...M6310 Overvoltage category V Switchboard Overvoltage category IV Overvoltage category III Overvoltage category II Overvoltage category I Transformer Equipment Drop wire Indoor wiring AC line Receptacl...

Страница 8: ...VI Overvoltage category KJM6310...

Страница 9: ...1 2 1 Front Panel 2 1 2 2 Rear Panel 2 2 Chapter 3 Operation 3 1 3 1 Connecting the Signal 3 1 3 2 Function Setup 3 5 3 3 Trigger Edge Selection 3 6 3 4 Symmetry and Slice Level 3 8 3 5 Delay Adjustme...

Страница 10: ...VIII Contents KJM6310 Chapter 6 Specifications 6 1 6 1 Electrical Specifications 6 1 6 2 General Specifications 6 3 6 3 External Dimensions 6 4...

Страница 11: ...to measure jitters of CDs It can measure the RF to CLOCK jitter by the time interval method The KJM6310 can be used for the development adjustment and inspection of optical pickups It is a compact uni...

Страница 12: ...P 2 Preface KJM6310...

Страница 13: ...Fig 1 1 gives a list of accessories If any of the accessories are damaged or missing contact your Kikusui agent or distributor Fig 1 1 Accessories We recommend that all packing materials be saved in...

Страница 14: ...the precautions to be taken when installing the KJM6310 Make sure to observe them Do not use the KJM6310 in a flammable atmosphere To prevent the possibility of explosion or fire do not use the KJM63...

Страница 15: ...containing sulfuric acid mist etc This may cause corrosion of various conductors and bad contacts of connectors inside the KJM6310 leading to malfunction and failure or in the worst case a fire Do not...

Страница 16: ...KJM6310 falling during transportation If you need pack ing materials contact your Kikusui agent or distributor 1 4 Connecting the DC Power Supply Using the DC plug provided connect a 15 V DC power su...

Страница 17: ...er up Error detection LED This LED illuminates when an error occurs such as when the RF signal is not connected when the signal amplitude is insufficient or when the clock frequency is not correct Thi...

Страница 18: ...asured value 0 2 V The output impedance is approximately 600 Outputs the jitter sampling waveform before it is converted to rms values The output impedance is approximately 600 DC INPUT connector Used...

Страница 19: ...INPUT connector Refer to the figures to connect the DUT to the KJM6310 and set the functions according to the input signal 1 Time interval jitter measurement using sliced RF signal and regen erated c...

Страница 20: ...ted clock signal 1 Use RS 232C control 2 Do not turn both RF EDGE switches to ON Fig 3 2 Function setup switches PLL OFF SYMMETRY AUTO or AUTO OFST 1 CLOCK EDGE Any RF EDGE 2 positive either negative...

Страница 21: ...using only sliced RF signal 1 Do not turn both RF EDGE switches to ON Fig 3 3 Function setup switches PLL ON SYMMETRY MANUAL CLOCK EDGE Any RF EDGE 1 positive either negative CD player etc KJM6310 Sl...

Страница 22: ...tput signal 1 Use RS 232C control 2 Do not turn both RF EDGE switches to ON Fig 3 4 Function setup switches PLL ON SYMMETRY AUTO or AUTO OFST 1 CLOCK EDGE Any RF EDGE 2 positive either negative CD pla...

Страница 23: ...After setting the switches DELAY which is not indicated in the table is set to AUTO and SYMMETRY LEVEL when set to SYMMETRY MANUAL is set to 0 V The BPS baud rate switch setting takes effect the next...

Страница 24: ...e rising edge of the clock signal and determines the jitter Measures the time difference from the rising edge of the RF signal to the falling edge of the clock signal and determines the jitter Measure...

Страница 25: ...ive etc If the RF signal to be measured is already converted to one edge be sure to set the trigger edge of the RF signal of the KJM6310 to rising or falling to match the signal Measure ment is not po...

Страница 26: ...hen the RF signal is binary coded the signal after slicing will have a DC component The RF signal symmetry level refers to the level at which the signal after slicing will not have a DC component when...

Страница 27: ...rol may fail especially when the duty cycle of the signal is not 50 Therefore when a sliced signal is input the symmetry level must be made not to follow up the slice level To disable the follow up fu...

Страница 28: ...10 a DC offset is generated when the input is AC coupled In the example given in Fig 3 10 the duty cycle of the input signal is 25 75 Thus after the signal is AC coupled the signal shifts up by 25 Th...

Страница 29: ...buted over the range of 0 to 360 as shown in Fig 3 11 However the distribution crosses 0 and 360 in Fig 3 12 resulting in a large sigma value Proper jitter measurements are not possible in such condit...

Страница 30: ...LAY MODE message and set the MANUAL delay through the RS 232C interface 2 Send a DELAY CONTROL message through the RS 232C interface 3 Vary the value of the command so that the DC voltmeter reading is...

Страница 31: ...setting is read during power up Configure the settings on the PC to match the interface specifications below Baud rate 9600 or 19200 bps Data length 8 bits Parity NONE Stop bit 1 bit Flow control Xon...

Страница 32: ...e is complete the KJM6310 sends a response message to the computer referred to as an acknowl edge message in response to each program message sent to the KJM6310 Below are the messages sent by the KJM...

Страница 33: ...is the abbreviated form of the device message name Response messages are returned in the abbreviated form Special symbols and characters Special symbols and characters used in this manual to describe...

Страница 34: ...e model name of the KJM6310 is returned as shown in the following example Manufacturer KIKUSUI model KJM6310 and version 1 00 Fig 4 2 Response message to IDN RST Resets the device to factory default s...

Страница 35: ...input trigger edge polarity to POS CLOC TRIG EDG POS Response message Returns the current setting in response to CLOC TRIG EDG in characters POS or NEG DELAY CONTROL DEL CON Sets the level when the de...

Страница 36: ...Data format Characters Values AUT AUTO delay MAN MANUAL delay Example Set the delay mode to AUTO DEL MOD AUT Response message Returns the current setting in response to DEL MOD in charac ters AUT or...

Страница 37: ...possible such as when there is no signal input or the clock frequency is outside the specifications 100 00 is returned Program message Syntax Query message JITTER JIT Response message Returns the jitt...

Страница 38: ...returned Program message Syntax Query message JITTER TIME JIT TIM Response message Returns the jitter value being measured in ns in response to JIT TIM Example When the jitter value is 11 1 ns Returns...

Страница 39: ...ty of the RF INPUT Or queries the current setting Program message Syntax Command message RF TRIGGER EDGE_ POSITIVE NEGATIVE EITHER RF TRIG EDG_ POS NEG EIT Query message RF TRIGGER EDGE RF TRIG EDG Pr...

Страница 40: ...SYM MOD Program data Data format Characters Values AUT Set to AUTO OFFS Set to OFFSET MAN Set to MANUAL Example Set the symmetry mode to AUT SYM MOD AUT Response message Returns the current setting in...

Страница 41: ...32 SYM OFFs LEV 32 Response message Returns the current setting in response to SYM OFFS LEV in integers 128 to 127 SYMMETRY SLICE LEVEL SYM SLIC LEV Queries the symmetry slice level The amplitude of...

Страница 42: ...ONST TIM CON Program data Data format Real number Values 0 01 0 1 or 1 Example Set the time constant for conversion into rms values to 0 1 TIM CON 0 1 Response message Returns the current setting in r...

Страница 43: ...ion Explicit The Global Resource Manager GRM component object Public m_rm As VisaComLib ResourceManager VISA I O session that is represented as IMessage VISA COM interface Public m_session As VisaComL...

Страница 44: ...aCode VISA Error 0x Hex Err Number MsgBox Err Description vbExclamation strVisaCode End Sub Private Sub Form_Load Model information is checked Maker Model name Version Dim strModelInfo As String Call...

Страница 45: ...status Loop Until strImr 1 Wait until the measured value is less than or equal to 20 Call SendMessage m_session JIT Get the jitter value strJitterPct ReceiveMessage m_session Call SendMessage m_sessio...

Страница 46: ...ReceiveMessage session As IMessage As String Check if the VISA session is correctly opened If session Is Nothing Then MsgBox MSG vbExclamation Exit Function End If Receives the response message from...

Страница 47: ...lvents such as thinner or ben zine They may discolor the surface or erase the printed characters 5 2 Inspection DC plug Check for ruptures in the covering play or cracks in the plug and so on Breaks i...

Страница 48: ...correct For safety reasons the fuse is designed to blow when the DC voltage polarity is reversed If the fuse is blown request for repairs Cannot make measurements Is the input amplitude adequate The i...

Страница 49: ...ge logic of the RF signal and clock sig nal correct The edge of the RF signal after both edges have been detected cannot be measured on both edges If the edge of other signals is not correct measure m...

Страница 50: ...5 4 Maintenance KJM6310...

Страница 51: ...l voltage range 0 2 Vp p to 2 Vp p Input impedance 50 Maximum input voltage 4 V DC AC peak Input connector BNC CLOCK input Input signal Clock frequency 4 MHz to 18 MHz Duty cycle 45 55 to 50 50 Signal...

Страница 52: ...with the RF signal by delaying the CLOCK signal AUTO or MANUAL switchable MANUAL adjustment range 0 to 360 Synchronizable signal EFM signal that corresponds to a funda mental frequency of 4 1 MHz to...

Страница 53: ...maximum Spec guaranteed temperature and humidity range Temperature 15 C to 35 C Humidity 20 RH to 85 RH no condensation Operating temperature and humidity range Temperature 0 C to 40 C Humidity 20 RH...

Страница 54: ...6 4 Specifications KJM6310 6 3 External Dimensions Unit mm 175 MAX15 210 5 MAX240 191 161 29 2 14 5 4 M3 4 M3 24 10 5 21 133 45...

Страница 55: ......

Страница 56: ...TIME INTERVAL JITTER METER KJM6310 OPERATION MANUAL...

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