Keithley 7711 Скачать руководство пользователя | Manualshive

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17

Table 8

Percent of additional uncertainty

Channels closed

Percent of additional

uncertainty (from

Table 7

)

4 and 8
2 and 8
3 and 8
4 and 6
4 and 7
1 and 8
2 and 6
2 and 7
3 and 6
3 and 7
4 and 5
1 and 6
1 and 7
2 and 5
2 and 6
1 and 5

100%

75%
75%
75%
75%
50%
50%
50%
50%
50%
50%
25%
25%
25%
25%

0%

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Содержание 7711

Страница 1: ...Model 7711 7712 User s Guide PA 818 Rev B 8 03 A G R E A T E R M E A S U R E O F C O N F I D E N C E...

Страница 2: ...CT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF ITS INSTRUMENTS AND SOFTWARE EVEN IF KEITHLEY INSTRUMENTS INC HAS BEEN ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH D...

Страница 3: ...that a shock hazard exists when voltage levels greater than 30V RMS 42 4V peak or 60VDC are present A good safety practice is to expect that hazardous voltage is present in any unknown circuit before...

Страница 4: ...electric shock and fire replacement components in mains circuits including the power transformer test leads and input jacks must be purchased from Keithley Instru ments Standard fuses with applicable...

Страница 5: ...e on page 7 4 4 Non blocking matrix example on page 8 Wiring procedure on page 10 Operation on page 11 Channel assignments on page 11 Close Open channels on page 11 Multiple channel operation on page...

Страница 6: ...els 2700 2701 and 2750 Multimeter Data Acquisition Systems NOTE All references to the Model 27xx apply to the Models 2700 2701 and 2750 With this in mind the capability of the Model 27xx is expanded f...

Страница 7: ...4 tree structure Also channels 1 and 5 are normally closed to OUT A and OUT B respectively NOTE The Model 7711 7712 relays are set to close channels 1 and 5 a few seconds after either a power cycle o...

Страница 8: ...a 1 8 SP8T MUX single pole eight throw multiplex using two Model 7711 cards Channels 1 and 2 are connected to OUT A and OUT B of the second card in slot two Terminate unused channels in the example c...

Страница 9: ...nnels are not used in this 1 8 SP8T MUX CH7 CH1 CH2 OUT A CH3 CH4 CH5 CH8 CH6 OUT B 7711 CH7 CH1 CH2 OUT A CH3 CH4 CH5 CH8 CH6 OUT B 7711 SLOT 1 SLOT 2 OUT B 7711 7712 Slot 1 7711 7712 Slot 2 Ch1 Ch2...

Страница 10: ...1 7712 Slot 2 Ch1 Ch2 Ch3 Ch4 OUT A OUT A Ch1 Ch2 Ch3 Ch4 Ch8 Ch6 Ch7 Ch5 S46 SMA 0 5 Cable Qty 3 Ch5 Ch9 Ch6 Ch10 Ch7 Ch11 Ch8 Ch12 Terminate this unused channel in bank 1 with a 50 load or an unconn...

Страница 11: ...B S46 SMA 0 5 con tains example commands Figure 4 4 4 blocking matrix expansion Table 2 4 4 Blocking matrix commands Command Signal path ROUTe MULTiple CLOSe 101 105 Routes signal through channels 1 a...

Страница 12: ...Send the ROUTe MULTiple CLOSe command with the channels in both Ch columns Table 3 4 4 Sample non blocking matrix commands Command Signal path ROUTe MULTiple CLOSe 101 405 Routes signal from IN1 OUT...

Страница 13: ...tic is shown in the power up state Channels 1 and 5 closed for cards in all slots CH7 CH1 CH2 OUT A CH3 CH4 CH5 CH8 CH6 OUT B 7711 CH7 CH1 CH2 OUT A CH3 CH4 CH5 CH8 CH6 OUT B 7711 SLOT 1 SLOT 2 IN1 OU...

Страница 14: ...making or breaking connections use a torque wrench to produce mating torque of 0 9 N m 8in lbs NOTE Use a box spanner torque wrench similar to Suhner Type 74 Z 1 0 21 Identification number 543130 Thi...

Страница 15: ...750 NOTE For remote operation the 3 digit channel assignment is included in the channel list parameter for the commands Close Open channels Multiple channel operation WARNING Multiple channel operatio...

Страница 16: ...nt panel inputs of the Model 27xx Remember to use multiple channel operation to control the 7711 7712 module and system channel operation to control a measure card for DMM measurements If you attempt...

Страница 17: ...card in slot 1 This is consistent with other Integra series type card calibrations that are allowed in slot 1 only Also the Model 2750 can be queried using CAL PROT CARD1 SPAR NOTE Errors 518 and 519...

Страница 18: ...ands SYSTem CARD1 Path to queries for slot 1 card CARD2 Path to queries for slot 2 card SNUMber Request serial number of card in Slot x SWRevision Request firmware revision of card in Slot x VMAX Quer...

Страница 19: ...within the system terminate unused channels with 50 loads If 50 loads are not available terminating unused connectors with a cable may also reduce noise within the system Power handling The graph in F...

Страница 20: ...be approximately 25 percent reduction in the listed on uncertainty Table 8 lists the percentage of additional uncertainty for specific channel pairs closed Table 7 Additional uncertainty for Model 771...

Страница 21: ...ty Channels closed Percent of additional uncertainty from Table 7 4 and 8 2 and 8 3 and 8 4 and 6 4 and 7 1 and 8 2 and 6 2 and 7 3 and 6 3 and 7 4 and 5 1 and 6 1 and 7 2 and 5 2 and 6 1 and 5 100 75...

Страница 22: ...curs 1 The 7700 takes DCV ACV 2W OHMS CONT and TEMP measurements 2 Limits are used in each of the measurements by the 7700 A DCV limits are set to 10 of the power supply s output B ACV limits are 108...

Страница 23: ...Configures the channel to measure 2W ohms This measurement is used instead of CONT so we can select the ohm s limits Configure_7700_TEMP Sets a channel to measure temperature using RST default Configu...

Страница 24: ...ard to change the input voltage to the power supplies They may run at either high line or low line A load of 10 or 90 is also selected in this function Assume the following for the 7705 1 Channels 1 t...

Страница 25: ...sert code here to take oscilloscope measurements Next End Sub Main Function Private Sub Start_Click Reading_Counter 0 Reset index counter Call settimeout ENTER_TIMEOUT Set timeout valuefor enter funct...

Страница 26: ...yzer and the mainframe with the Model 7711 7712 installed Allow the analyzer to warm up for at least 1 hour 2 Calibrate the network analyzer from 100MHz to 3 5GHz using the appropriate calibration kit...

Страница 27: ...For the Model 7711 verify at 100MHz 500MHz 1GHz 1 5GHz and 2GHz For the Model 7712 verify at 500MHz 1GHz 2 5GHz and 3 5GHz Refer to the Insertion Loss section of the Model 7711 or 7712 specifications...

Страница 28: ...del 7711 or 7712 specifications values for acceptable limits 6 Repeat procedure for remaining channels in both banks There are six possible combinations for each bank of 4 channels combinations in ban...

Страница 29: ...onent designation if applicable Keithley part number Factory service If the instrument is to be returned to Keithley Instruments for repair perform the following Call the Repair Department at 1 888 KE...

Страница 30: ...26 Figure 12 Model 7711 component layout...

Страница 31: ...27 Figure 13 Model 7712 component layout...

Страница 32: ...1 100MW THICK FILM 0805 R 418 357K U1 U2 IC QUAD 2 IN AND 74HCT08 SOIC IC 837 U10 IC 8 STAGE SHIFT STORE MC14094BD SOIC IC 772 U3 IC 2 5V CASCADABLE SERIAL EEPROM LSI 212 U5 IC 5V VOLTAGE REGULATOR LM...

Страница 33: ...hassis 1 8 30Vrms 42V peak for AC waveforms or 60VDC 0 5A Maximum Power 20W per module 10W per channel Safety Conforms to European Union Directive 73 23 EEC EN61010 1 CAT I EMC Conforms with European...

Страница 34: ...Zload Zsource 50 100MHz 500MHz 1GHz 1 5GHz 2GHz Insertion Loss MAX 0 4dB 0 6dB 1 0dB 1 2dB 2 0dB VSWR MAX 1 1 1 2 1 2 1 3 1 7 Ch Ch Cross talk1 MAX 85dB 65dB 55dB 45dB 35dB 1 Specification assumes 50...

Страница 35: ...0 9 N m 8 in lb INPUTS CHANNELS 1 8 Maximum Signal Level Any channel to any channel or chassis 1 8 30Vrms 42V peak for AC waveforms or 42VDC 0 5A Maximum Power 20W per module 10W per channel Safety Co...

Страница 36: ...rce 50 500MHz 1GHz 2 4GHz 3 5GHz Insertion Loss MAX 0 5dB 0 65dB 1 1dB 1 3dB VSWR MAX 1 15 1 2 1 45 1 45 Ch Ch Crosstalk1 MAX 75dB 70dB 50dB 45dB 1 Specification assumes 50 termination ENVIRONMENTAL O...

Страница 37: ......

Страница 38: ...60 11 77 26 GERMANY Landsberger Strasse 65 82110 Germering 089 84 93 07 40 Fax 089 84 93 07 34 GREAT BRITAIN Unit 2 Commerce Park Brunel Road Theale Berkshire RG7 4AB 0118 929 75 00 Fax 0118 929 75 1...

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