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Keysight Technologies J7211A, Руководство по эксплуатации и обслуживанию

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Keysight J7211A/B/C Attenuation Control Unit
Operating and Service Manual

11

1

Introduction 

Key Features of Keysight J7211A/B/C Attenuation Control Unit 

12

J7211A/B/C Front and Rear Panels at a Glance 

13

This chapter provides you the overview of Keysight J7211A/B/C attenuation control unit that covers 

the key features of this instrument and also the physical appearances for different models.

Содержание J7211A

Страница 1: ...Keysight J7211A B C Attenuation Control Unit Operating and Service Manual...

Страница 2: ...rights customarily provided to the public to use modify reproduce release perform dis play or disclose commercial computer soft ware or commercial computer software documentation No additional governm...

Страница 3: ...is symbol on your instrument you should refer to the instrument s instruction manual for important information This symbol indicates hazardous voltages The laser radiation symbol is marked on products...

Страница 4: ...ring and Control Instrument product The affixed product label is as shown below Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Keysight Service Cent...

Страница 5: ...Rear Panels at a Glance 13 Types of RF connectors for J7211A B C 14 2 Installation Initial Inspection 18 Bench Operation 19 3 Verification Operator s Check for Local Operation 22 Recommended test equi...

Страница 6: ...yntax 49 Commands relevant to J7211A B C 49 6 Remote Interface Configurations Connecting the J7211A B C to Your Computer 54 Connecting over GPIB 54 Connecting over USB 55 Connecting over LAN 56 Explor...

Страница 7: ...bench operation 19 Figure 3 1 Quick check configuration for J7211A B C 24 Figure 4 1 J7211A B C main menu 26 Figure 5 1 Example of control using telnet 45 Figure 5 2 Example of control using a progra...

Страница 8: ...8 Keysight J7211A B C Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 9: ...ing and Service Manual 9 List of Tables Table 1 1 Key features of J7211A B C 12 Table 3 1 Recommended test equipment 22 Table 3 2 Instrument settings 23 Table 5 1 Sections of attenuators 51 Table 7 1...

Страница 10: ...10 Keysight J7211A B C Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 11: ...eatures of Keysight J7211A B C Attenuation Control Unit 12 J7211A B C Front and Rear Panels at a Glance 13 This chapter provides you the overview of Keysight J7211A B C attenuation control unit that c...

Страница 12: ...n accuracy and flatness over 5 million cycles operating life ensure precise measurements and reduce calibration intervals reducing cost of test The features and functions of attenuation control units...

Страница 13: ...pe N f SMA f 3 5 mm f connectors for connection to subsequent device under test or instruments Refer J7211A B C s connectors for more details 6 On Standby Press this key to switch between on and stand...

Страница 14: ...stening device for remote mode of operation 2 Alert symbol This symbol is used to point out a necessary reference for the user 3 Receptacle Matches transformer primary to line voltage via power cable...

Страница 15: ...oduction 1 Keysight J7211A B C Operating and Service Manual 15 Figure 1 3 Type N f connectors for J7211A B only Figure 1 4 SMA f connectors for J7211A B only Figure 1 5 3 5 mm f connectors for J7211C...

Страница 16: ...1 Introduction 16 Keysight J7211A B C Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 17: ...Control Unit Operating and Service Manual 17 2 Installation Initial Inspection 18 Bench Operation 19 This chapter explains how to unpack and check your instrument It also explains how to prepare your...

Страница 18: ...logies Service Support Office Refer to the Service and Support information in the front matter of this manual Keysight Technologies will arrange for repair or replacement of the damaged or defective e...

Страница 19: ...adjust it into one of the two positions illustrated in Figure 2 1 Top Handle placed underneath the instrument to assure self alignment of the instruments when stacked Bottom Handle tilted to raise the...

Страница 20: ...2 Installation 20 Keysight J7211A B C Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 21: ...Service Manual 21 3 Verification Operator s Check for Local Operation 22 Instrument Settings 23 Quick Check Procedure 24 This chapter provides you simple instructions to verify Keysight J7211A B C at...

Страница 22: ...oting Equipment other than the recommended models can be used provided minimum specifications are satisfied Table 3 1 Recommended test equipment Instrument type Option E8364B 10 MHz to 50 GHz vector n...

Страница 23: ...the operator needs to ensure that instrument s settings are following recommendation settings as stated below Table 3 2 Instrument settings Product model J7211A J7211B J7211C Start frequency 200 MHz 2...

Страница 24: ...ronic or mechanical calibration kit 2 Turn on J7211A B C and select ATTEN by using rotary knob Refer chapter 4 ATTEN menu for more details on setting attenuation values 3 Set attenuation value for exa...

Страница 25: ...al Operation Getting Started with J7211A B C 26 Main Menu of J7211A B C 27 This local operation chapter explains some simple steps how to use the J7211A B C in local operations Besides that functional...

Страница 26: ...LED of the power button is red which illustrates that J7211A B C is in standby mode 2 Press once on power button to turn on the J7211A B C The power button will turn green and the backlight of LCD sc...

Страница 27: ...ble when it is used in a production or testing environment where accurate timing is significantly required If the user requires a continuous cycling J7211A B C provides this capability by selecting co...

Страница 28: ...p up from start attenuation to stop attenuation to complete 1 cycle Whereas for F Rev forward and reverse it will sweep from start attenuation to stop attenuation and reverse from stop attenuation to...

Страница 29: ...e the attenuator click once on Sweep softkey Now the symbol R is highlighted which indicates that J7211A B C is running 12 You can also pause instrument s cycling by selecting paus Press R to continue...

Страница 30: ...ur desire values or enter value using keypad 2 Press Next Item softkey to scroll from top to bottom of the setting options 3 Initially Number of step is set at 0 Press Next Item softkey once an observ...

Страница 31: ...TEN menu The main function of this submenu is to provide manual attenuation during measurement You can always choose to use corrected values if accurate and precise attenuation at particular frequency...

Страница 32: ...ble and can be set 5 Press Back to return to previous main menu To select the frequencies and attenuation values Navigating and selecting attenuation values 1 Select Cor under Display using softkey 2...

Страница 33: ...tary knob E g Enter 4 5 GHz 6 Now 90 dB attenuation shows 90 24 dB corrected value and 4 5 GHz frequency are set To select attenuation step Selecting attenuation step for suitable application 1 Naviga...

Страница 34: ...Menu Enter button 2 This screen ATTENUATOR CYCLE shows the cycles per section from Sec1 Sec4 3 Ilustrations display both attenuators such as Atten A and Atten B 4 To delete all previous cycles count...

Страница 35: ...ated IO menu Refer to Chapter 6 Remote Interface Configurations INFO menu All the system information for J7211A B C is displayed on this menu User may retrieve all necessary information from here To d...

Страница 36: ...e Manual MAC address FPGA revision 1 Press once on Menu Enter button once INFO icon is selected as illustrated 2 There are 2 pages of information for J7211A B C Press Info softkey once to move to page...

Страница 37: ...1 Navigate UTILITY icon and press once Menu Enter button 2 User can choose Beep volume to increase and lower the beep volume of the attenuation box by pressing the softkeys Volume up or Volume down T...

Страница 38: ...to LAN reset and Yes softkey is shown 2 Press Yes softkey once and a screen prompt and enquire whether you want to restore LAN Default 3 Press OK softkey to proceed and Cancel to go back to the previ...

Страница 39: ...on enables the user to set the attenuation values relative to the absolute attenuation for specific application The currently displayed attenuation is used as a reference value when this feature is tu...

Страница 40: ...ation 40 Keysight J7211A B C Operating and Service Manual 4 Tune rotary knob to adjust the desire attenuation which will be relative to 20 dB attenuation value 5 E g Currently the absolute attenuation...

Страница 41: ...uide SCPI 49 Remote interfaces allow you to operate J7211A B C from remote place which makes this attenuation control unit a portable device By understanding and learning these configurations you can...

Страница 42: ...ation on setting the GPIB address manually via front panel operation refer to Connecting over GPIB on page 54 USB configuration The USB interface requires no front panel or remote configuration The US...

Страница 43: ...iguration Protocol or DHCP Auto IP mode Local PC Control or isolated LAN Static mode Manual mode Refer to Connecting over LAN on page 56 to configure the above LAN operating modes NOTE For more inform...

Страница 44: ...ocol Conversational control using telnet using port 5024 You can use telnet to perform conversational control by sending SCPI commands to the J7211A B C on a message by message basis For telnet the so...

Страница 45: ...t screen to break the connection to the J7211A B C The telnet prompt appears Type quit at the telnet prompt and press Enter to finish using telnet Control from a program using port 5025 When controlli...

Страница 46: ...k connection on TCP IP protocol is required For a UNIX environment WinSock WinSock1 1 and WinSock2 0 created by posting BSD Sockets to Windows and expanding it is available Control using Keysight VEE...

Страница 47: ...using Keysight I O The Keysight I O Libraries Suite is a collection of libraries that provides you the ability to use your instruments from a test and measurement program Figure 5 4 shows an example...

Страница 48: ...5 Remote Operations 48 Keysight J7211A B C Operating and Service Manual Figure 5 4 Example of control using Keysight I O...

Страница 49: ...ttenuation level of attenuation control unit INPut ATTenuation numeric The compatible remote command ATTN numeric INPut ATTenuation To increase and decrease attenuation level The following commands ar...

Страница 50: ...initial step size when unit power on You may encounter 2 error messages if value is not within range specified Error Messages 12 Value clipped to Max 11 Value clipped to Min NOTE The initial step size...

Страница 51: ...AGnose RELay CYCLe 1 8 To display required J7211A B C s information The following commands display information for selected request DISPlay ATTenuation DISPlay IO DISPlay PROGram DISPlay CYCLe DISPlay...

Страница 52: ...5 Remote Operations 52 Keysight J7211A B C Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 53: ...ations Connecting the J7211A B C to Your Computer 54 Exploring the J7211A B C Web Interface Over LAN 60 This chapter provides information and steps to achieve remote operations of Keysight J7211A B C...

Страница 54: ...rdware as instructed by the documentation provided by the hardware vendor 6 Use the Connection Expert utility of the Keysight IO Libraries Suite to add the J7211A B C and verify a connection 7 The J72...

Страница 55: ...ting system is fully booted Then apply power to the J7211A B C 3 The Found New Hardware Wizard will automatically start and guide you through configuring the J7211A B C as a USB device To install the...

Страница 56: ...and or switches A Isolated LAN network is defined as a local area network LAN in which computers and LAN enabled instruments are NOT connected to site LAN Auto mode This mode is used when you are conn...

Страница 57: ...s noted in above table Now you can use various programming environments to control the J7211A B C For an overview on programming instructions via USB refer to the Connectivity Guide Manual mode In a m...

Страница 58: ...on 2 Press Edit IP softkey once and now you should enter MANUAL IP ADDRESS MANUAL SUBNET and MANUAL GATEWAY 3 To scroll from one row to another press Next item once 4 You are only able to key in by ty...

Страница 59: ...installed the required I O software on your computer Use the Connectivity Expert utility of the Keysight IO Libraries Suite to add the J7211A B C and verify a connection When identifying the instrume...

Страница 60: ...ngs 3 From LAN Settings dialog select activate bypass proxy server for local addresses exact terminology depends on your browser 4 Exit the Options window 5 Enter the IP address of the J7211A B C in t...

Страница 61: ...trol page 1 From the Welcome Window click the Browser Web Control tab on the left side of the window 2 You will notice a pop up window requesting for password 3 Enter password default password is keys...

Страница 62: ...igation bar Figure 6 2 Navigation bar Displaying the browser web control page 1 From the Welcome Window click the Browser Web Control tab on the left side of the window 2 You will notice a pop up wind...

Страница 63: ...211A B C Operating and Service Manual 63 Figure 6 3 Pop up window for J7211A B C s Web Interface 4 You can view the virtual front panel of J7211A B C 5 Now you can control this device remotely similar...

Страница 64: ...6 Remote Interface Configurations 64 Keysight J7211A B C Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 65: ...and Service Manual 65 7 Servicing the Attenuation Control Unit Preparing a Static Safe Workstation 66 Maintenance and Adjustments 68 This chapter will guide you on preparing a static safe workstation...

Страница 66: ...sting of electronic components should be done at a static safe workstation An example of a static safe workstation is shown below using two types of ESD protection conductive table mat and wrist strap...

Страница 67: ...f the table Handle all PC board assemblies and electronic components only at static safe workstations Store or transport PC board assemblies and electronics components only in static shielding contain...

Страница 68: ...replace fuse 1 Remove fuse holder using a tweezer 2 You will see two fuses the one on the left is the active fuse and the other is backup Figure 7 2 Fuse removal replacement 3 Remove fuse and replace...

Страница 69: ...n is subject to change without notice Always refer to the Keysight website for the latest revision Keysight Technologies 2001 2019 Edition 4 March 25 2019 Printed in Malaysia J7211 90001 J7211 90001 w...

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