KEI 590 Instruction 电路图.pdf

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1、Model 590CV Analyzer Instruction Manual A G R E A T E RM E A S U R E O F C O N F I D E N C E RadioFans.CN 收音机爱 好者资料库 WARRANTY Keithley Instruments, Inc. warrants this product to be free from defects in material and workmanship for a period of 1 year from date of shipment. Keithley Instruments, Inc.

2、warrants the following items for 90 days from the date of shipment: probes, cables, rechargeable batteries, diskettes, and documentation. During the warranty period, we will, at our option, either repair or replace any product that proves to be defective. To exercise this warranty, write or call you

3、r local Keithley representative, or contact Keithley headquarters in Cleveland, Ohio. You will be given prompt assistance and return instructions. Send the product, transportation prepaid, to the indicated service facility. Repairs will be made and the product returned, transportation prepaid. Repai

4、red or replaced products are warranted for the balance of the original warranty period, or at least 90 days. LIMITATION OF WARRANTY This warranty does not apply to defects resulting from product modifi cation without Keithleys express written consent, or misuse of any product or part. This warranty

5、also does not apply to fuses, software, non-rechargeable batteries, damage from battery leakage, or problems arising from normal wear or failure to follow instructions. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNES

6、S FOR A PARTICULAR USE. THE REMEDIES PRO- VIDED HEREIN ARE BUYERS SOLE AND EXCLUSIVE REMEDIES. NEITHER KEITHLEY INSTRUMENTS, INC. NOR ANY OF ITS EMPLOYEES SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS AND SOFTWARE EVE

7、N IF KEITHLEY INSTRUMENTS, INC., HAS BEEN ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES. SUCH EXCLUDED DAMAGES SHALL INCLUDE, BUT ARE NOT LIM- ITED TO: COSTS OF REMOVAL AND INSTALLATION, LOSSES SUSTAINED AS THE RESULT OF INJURY TO ANY PERSON, OR DAMAGE TO PROPERTY. Keithley Instruments, Inc.

8、 28775 Aurora Road Cleveland, Ohio 44139 440-248-0400 Fax: 440-248-6168 1-888-KEITHLEY (534-8453) Sales Offi ces:BELGIUM:Bergensesteenweg 709 B-1600 Sint-Pieters-Leeuw 02-363 00 40 Fax: 02/363 00 64 CHINA:Yuan Chen Xin Building, Room 705 12 Yumin Road, Dewai, Madian Beijing 100029 8610-8225-1886 Fax

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10、Road Theale Berkshire RG7 4AB 0118 929 7500 Fax: 0118 929 7519 INDIA:1/5 Eagles Street Langford Town Bangalore 560 025 080 212 8027 Fax: 080 212 8005 ITALY:Viale San Gimignano, 38 20146 Milano 02-48 39 16 01 Fax: 02-48 30 22 74 JAPAN:New Pier Takeshiba North Tower 13F 11-1, Kaigan 1-chome Minato-ku,

11、 Tokyo 105-0022 81-3-5733-7555 Fax: 81-3-5733-7556 KOREA:2FL., URI Building 2-14 Yangjae-Dong Seocho-Gu, Seoul 137-888 82-2-574-7778 Fax: 82-2-574-7838 NETHERLANDS:Postbus 559 4200 AN Gorinchem 0183-635333 Fax: 0183-630821 SWEDEN:c/o Regus Business Centre Frosundaviks All 15, 4tr 169 70 Solna 08-509

12、 04 600 Fax: 08-655 26 10 TAIWAN:13F-3, No. 6, Lane 99, Pu-Ding Road Hsinchu, Taiwan, R.O.C. 886-3-572-9077 Fax: 886-3-572-9031 2/03 RadioFans.CN 收音机爱 好者资料库 - Model 590 CV Analyzer Instruction Manual 01987, Keithley Instruments, Inc. All rights reserved. Cl typical for QZO. NOTES: 1. G = conductance

13、 reading; C = capacitance reading; Gm = fuU scale cmductance; C, = f”U scale capacitme. Range and acc”racy designa- tions based on parallel RC model. 2. Rant panel 2Jzarq is IeIative to C. 5oOpF wiU in- crease noise no more than x2. Measured at 10 rdS/s rate. CAPAClTANCE NON-LlNEAlUTYt 20 or DO.OS,

14、18”-28C. TEST VOLTAGE: lSmV nns ilO%. TEST FRBQUBNCY: 89011Wkz 1CQkHz. 54ollMz IMHz. Tolerance: +O.l%. BIAS SOURCE INTERNAL BIAS SOURCE OUTPUTz -20.00X to +2O.OOOV in 5mV Step. ACCURACY (1 Year, 18%80: i(O.ffi% setting + 101”) exdtive of loading e*ms. DC OurPuT RBSISTANCE: 50 madmum. TEMPERARIRE COE

15、FFICIBNT (Oa-180C 3mV F-p to 75MHz BIAS WAVEFORM: ts the programmed value. .-STAIR:outputsinincrrmMtsofBIAsS?zFVfromFIRsT BIAS V to LAST BIAS V, the” back to FIRST BIAS V. PULSE Outputs pulse train; amplitude increments by BIAS STEP V from FIRST BIAS V to LAST BIAS V (each pulse is from DKFAUIT BIAS

16、 V to FIRST BIAS V for duration of SW TEwfE, then back to DEFAULT BIAS V). Also Fqwnmable for single pulse. EXTz AUows application of external bias sauce (via VOLTAGE BIAS mw. BIAS PARAMETERS: FIRST BIAS V, LAST BIAS V, DEFAULT BIAS V, BIAS STEP V, START TIME, STOP TIME, STEP TIME, COIJNT. BIAS STEP

17、 V: Rogrammable in 5mV steps to 20V. Polarity selectable + or -. ST-T After transition from DEFALILT Be V to FIRST BIAS V, START TIME must elapse before first meas-ent. Programmable i” inaements of 1024ps from 1 to 65,536 increments. Accuracy: *(O.l% + hs). STEP TIME: The period between the ktitio”

18、of BIAS STEP V and the Start of the next meas”rwne”t. Programma ble in increments of 1024q frc!Qll to 65,536 fnaenlenis. Accuracy: f(O.l% +-lms). STOP TIME: The period between the end of the final measurement and the kawition from LAST BIAS V to DEFAULT BIAS V. Programmable in increments of 1024us f

19、rom 1 to 65,536 i”aeme”ts. Accuracy: f(O.l% + lms). EXTERNAL VOLTAGE BIAS INPUT: Rear panel input tennhuls allow application of Level: IV = 1V wt. Output Resistance: Ikn. VOLTAGE BIAS DISPLAY: Front panel pefforms the inverse of C on the capacitance data stored in reading 6:Anowstionofcapadtanceread

20、ingsinreadingbuffer to a user-pmgammable reference value Co. Cm: Searches reading buffer far the maaimum capacitance value. G-6: Sequentiauy computes the difference between comes ondin capacitance readings stored in reading buffer A and reading B # uffer Iv,-V.1: Calculates the corresponding differe

21、nce in applied voltage for values of capatitance in reading buffer B equal to each valve in reading bufferA. C vs. t: Akws fast measurement of capacitance vs. time (loo0 rdgls). CABLE COMPENSATION Rip to 8 setups can be stored in non-volatile memory) CALIBRMION CAPAQTOR COMPENSATION: Corrects for em

22、xs due tocablesorswitchingmatrixupto5metarseffe length. nvmlleeanwmen ts are made with cables and matrix terminated with pmision reference capacitors in place of the DUT. Model 5907 CablelMath Calibration Cqa.itor Set required. Bus programmable only. MHz only. Accuracy: *(05% + appltcable front pane

23、l specification), typical. SINGLE-ENDED CABLE and S-PARAMETE R COMPENSATION can also be made. See manual for detailed information. IEEE-488 BUS IMPLEMENTATION MIJLTILmEcoMMAND s: DCL, LLO, SDC, GET, GTL, IJNT, SPR, SPD. UNILINE COMMANDS: lFC, REN, EOI, SRQ, ATN. lh?TERFACE FUNCIION% S-D, AHI, TEO, L

24、A, LEO, SRI, RLl, PFO, DC-l, DTl, El, CO (for stand alone plotting C28 is used). PROGRAMMABLE PARAMElXRs: Range, Function, Zero, Filter, Fre- Bias Waveform, Bias Parameters, Plottin ? 10% wermnge OVERRANGi INDICATION: Display reads OFLQ. AVAILABLE MEASUREMENT RATES (to tntemal buff-): 4= pole at 37H

25、z. Filters t In nt): lNF 30V rms, dc to 6LlHz. Rear panel switch allows con- LiT low to chasw. ANALOG 0LTFli-B (Capacitance and Conductance): Level: 2V output at full range. Initial offset: i25mv. wt Reststance: lw. Response Time: lms to 1% of final value with fiiter off; 25ms maximum with filter on

26、. FTOlTBR: Digital plotter output centrals IU747OA plotter or equivalent using HPGL via IEEE-488 for real-time plotting of all measure*e*ts as well as results of math computations, with gdas and labels. Talks to plotter on address 05. HPGL commands used are lN, Ip, IW, PA, PD, Pu, SC, SI, SF. PRONT

27、PANEL SFFWS: Up to 7 fmnt panel setups can be stored in non- voLile memory. EXTERNAL TRIGGER: lTL compatible Fxtenul Trger Input and output. INPUT CONNECTORS: Isolated BNC fNEW ov 450 0 (Full Grid) 1 (Fen #l) 7 (Solid Line) 0 (ml Labels) 0 (C vs v) 0 (Buffer A) Off 15 7 (to front panel) 2.4.6 Warm U

28、p Period The Model 590 can be used immediately when it is first turned on. Note, however, that the unit must be allowed to warm up for at least one hour to achieve rated accumcy. Note, however, that you must use the CAL key to obtam rated accomcy if the ambient temperature changes by more than 2% 2.

29、5 BASIC MEASUREMENT TECHNIQUES The following paragraphs wilI take you through simple step-by-step procedures to take one-point measurements, obtain simple CV lots, and measurements. TK s erform fundamental C vs t ese proce ores are intended only to serve as a starting point, and they may not serve y

30、our specific needs. Refer to Section 3 for detailed information on making these type of measurements. 2.5.1 Test Connections Use the basic test connections shown in Figure 2-3 for the examples in tbis section. Paragraph 3.2 covers connecting methods in more detail. 2-l 7 GETTING STARTED _- - COAXIAL

31、CABLE _- - PROBER SHIELDS- CONNECTED TO CABLE SHIELDS A. CONNECTIONS S. SIMPLIFIED EQUIVALENT CIRCUIT Figure 2-3. Typical Test Connections 2-18 GETTING STARTED Table 2-4. Initial Control Settings for One Point Measurements Mode Control Setting Comments Range RANGE As required Use most sensitive rang

32、e possible d-yY ZEL 1ookHz or lMH.2 Use cable correction at IMHz. Parallel Unit always measures using parallel model. Reading Rate 1 reading per second Maximum resolution/minimum noise. Trigger %TE l-shot Allows display to freeze single measurement. Analog Filter FILTER On Minimize noise Zero Baseli

33、ne ZERO Off Use only to subtract baseline. Bias waveform WAVEFORM DC Static bias level for one-point measurement. First Bias PARAMETER -20v to +2ov Select desired bias level. Bias Voltage Status ON On Enable bias voltage before measuring. 2.5.2 Basic One-Point Measurements parallel form, and the res

34、ulting data is internally converted to serial form when that model is selected. The analog out- Ordinarily, the Model 590 would be used to take a number put w9s refleas parallel mode1. of readings with the resulting data plotted as a group of points. In some instances however, you may wish to take a

35、 singIg reading with or without a specific bii voltage and step 4: Se1ea a Readmg Rate display the result. Table 2-4 .mmnmizes recommended con- trol settings for basic single-point measurements. Use the Since speed is not generally a requirement for single-point step delay times; and start, stop, an

36、d default When performing stand-alone plotting, the plot- voltage levels. Each of these parameters can be programm- ter must be in the addressable mode using a ed through .- UJS “I ULS 1 - -c “-?AR4h,TER and data entry keys. primary address of 5. Also, disconnect the con- Recommended values for the

37、purposes of this demons stop, and step times. Typical- the largest reading you expect. Autorangin is not recom- ly, the default bias is set to zero and the first bias is pro- mended for C vs t measurements, espe cialfy at the faster grammed to the amplitude of the pulse bias step, as shown reading r

38、ates. in Figue 2-5. CI_- r). TX-.-_- L c _._ - .b-Lser Mode The progr-ed step time depends on the required time interval between measurements (the total time interval is Press the MODE key until the SWEEP trigger mode the sum of the step time and the reciprocal of the reading osge is displayed. Pres

39、s ENTER to program the sweep rate). For the fastest possible measurements, program a minimum step time along with the 1000 reading per se- cond rate; 2-24 Step 7: Trigger a Reading Sweep - Step 10: Display and Compute C vs t Information - Press MANUAL to trigger a refhe 1000 reading per second rate,

40、 which includes only capacitance data). 2-2512-26 SECT OPER, 3.1 INTRODUCTION This section contains a complete, detailed desaiption of each hont and rear panel aspect of the Model 590. The sec- tion is arranged as follows: 3.2 Display Messages: Lists display messages that may be encountered during f

41、ront panel operation of the instrument. 3.3 Test Connections: Details operation of the test INPUT and OUTPUT jacks on the front panel, and gives an ex- ample of typical test connections. 3.4 Readings and Hardware Control Aspects: Shows how to titerpret both capacitance and conductance read- ings fro

42、m the front panel display, and details some aspects of hardware control. - 3.6 Range Selection: Covers manual and auto range selec- - tion, as well as use of the X10 attenuator tid optional Model 5904 Adapter to extend the measurementrange of the unit to 2OnF at 1OOkHz. 3.6 Frequency Selection: Deta

43、ils methods for 1oOkHz and lhlz test frequency selection, as well as some precau- tions necessary when using each frequency. 3.7 Series/ Parallel Model: Describes parallel (G and C) and series (C and R) model selection, discusses series- pamIle equivalents. 3.6 Filter: Covers enabling and disabling

44、the single-pole analog filter and gives a typical response curve. 3.9 Reading Rate: Describes selection of the 1, 10, 100, and 1000 reading per second rates from the front panel. 3.10 Zero: Gives the basic procedure for using zbleshooting in manual. Where applicable, the necessary corrective action

45、is also given in the table. 3.2.2 Informational Messages lnfonnational messages are induded as an aid in program- ming the unit. No comective action is necessary in this case, but you may still be required to enter a parameter at the prompt. Table 3-2 lists Model 590 informational messages. Again, m

46、ost of these are covered in other parts of the manual. 3-2 OPERATION Table 3-2. informational Messages Message TRIGGER MODE l-SHOT TRIGGER MODE SWEEP TRIGGER SOURCE FP TRIGGER JOURCE EXT TRIGGER SOURCE TALK TRIGGER SOURCE GET TRIGGER SOURCE X BIAS WAVEFORM DC BIAS WAVEFORM STAB7 BIAS WAVEFORM DSTAIR

47、 BIAS WAVEFORM PULSE BIAS WAVEFORM EXT START TIME STOP TIME STEPTIME 1ST BIAS V LAST BIAS V STEP BIAS V DEFAULT BIAS V GRID TYPE O-l 0 PEN TYFE O-2 1 LINE TYPE o-7 LABEL TYPE O-3 G PLOT TYPE O-6 0 BUFFER O=A l=B 0 X SCALE N=O Y=l Y SCALE N=O Y=l UPDATE N=O Y=l BUFFER A=0 B=l IEEE ADDRESS SETUP NUMBE

48、R? CABLE NUMBER? BUSY READING RATE 10 SELF TEST CALCULATJNG DATA DISCONNECT 3.3 TEST CONNECTIONS Key(s) MODE 1 MODE 1 Description I One reading per trigger One sweep per trigger MANUAL button triggering External trigger pulse triggeriug IEEE talk co mmand triggering IEEE GET co mmand triggering LEEE

49、XCO mmand triggering DC bias level Single staircase bias waveform Dual staircase bias waveform Pulse bii waveform External bias source initial delay Y axis scaling Update parameter? Buffer selection Display IEEE primary address Setup position to save or recall Cable # to save, recall Unit performing calibration Display/program reading rate Unit running self test Unit computing at end of sweep. SOURCE SOURCE SOURC