Description Description The Keysight U3020AS62 Test Set is a DC to 26.5 GHz Signal Distribution instrument. The Test Set functionally is a Dual SP6T 6-Port Latching, Terminated switch in which both switches are functionally ganged together. The Test Set mainframe is a rack mountable two EIA units high.
Test Set. • U3022AS62 maximum power is 50 W. Environmental Tests The U3020AS62 complies with all applicable safety and regulatory requirements for the intended location of use. • Operating Environment (Indoor Use) • Operating Temperature 0 to 55 °C •...
U3020AS62 General Performance Dimensions and Space Requirements Standard installation of the U3020AS62 includes configuration and installation on a customer provided lab bench, or table top of adequate size and strength. Table 2 Test Set Dimensions Item Length/Weight Width 42.5 cm (16.73 in) Depth 58 cm (22.83 in)
Input Ports 1 to Input Ports 1 to 6 Frequency Range A & B (internal termination) DC to 1.0 GHz 1.0 to 6.0 GHz 6.0 to 12 GHz 12 to 20 GHz 20 to 26.5 GHz Keysight U3020AS62 User's and Service Guide...
All connectors are 3.5 mm female. Instrument State LEDs When the power is applied to the U3020AS62, the instrument enters its power-on sequence which requires several seconds to complete. The LEDs provide information on the state of the instrument during power-on and during upgrades of the instrument firmware.
Page 11
Instrument programming error or self-test error. Green Error queue is read using SYSTem:ERRor? Green ATTN Instrument identification. Activated from instrument Web interface: Green (flashing) ON: Turn on Front Panel Interface Indicator OFF: Turn off Front Panel Interface Indicator Green Keysight U3020AS62 User's and Service Guide...
Page 12
Always use the three-prong AC power cord supplied with this product. Failure to ensure adequate earth grounding by not using this cord may cause product damage and the risk of electrical shock. Keysight U3020AS62 User's and Service Guide...
Once the connection between the controller and the Test Set has been established (LAN or GPIB), the test set can be controlled using SCPI commands. Refer to Table 7 on page Keysight U3020AS62 User's and Service Guide...
Select Port 6 Input of Chan A and B All unselected Port Inputs are terminated TERM_ALL_INPUTS Terminate all Input Ports (50 Ohm) Output Ports are not terminated LED_ALL All LEDs ON Diagnostic Check LED_OFF All LEDs OFF Diagnostic Check Keysight U3020AS62 User's and Service Guide...
4. The available computer interfaces are configured during installation of the Keysight IO Libraries and are displayed in the left column (Explorer Pane). The properties of the configured interface are displayed in the right column (Propertied Pane). Figure 5 Explorer and Properties Pane Keysight U3020AS62 User's and Service Guide...
1. Select the Keysight Control icon > Keysight Connection Expert. If a GPIB card is installed in your computer, the GPIB interface was configured during installation of the IO libraries and is displayed in the Explorer Pane of the “Welcome” Screen. Figure 7 Keysight Connection Expert Keysight U3020AS62 User's and Service Guide...
You can also queries the U3020A for the IP address it was assigned to. Example The following command sets the IP address: SYST:COMM:IPAD 169.254.149.35 The following query returns the IP address currently being used by the instrument (quotes are also returned). SYST:COMM:LAN:IPAD? Typical Response: "169.254.149.35" Keysight U3020AS62 User's and Service Guide...
If you change the DHCP setting, you must cycle power on the U3020A to activate the new setting. Example The following command disables DHCP: SYST:COMM:LAN:DHCP OFF The following query returns the current DHCP setting: SYST:COMM:LAN:DHCP? Typical Response: 0 Keysight U3020AS62 User's and Service Guide...
If you change the Domain Name, you must cycle power on the U3020A to activate the new address. Example The following command defines the Domain Name: SYST:COMM:LAN:DOM www.keysight.com The following query returns the Domain Name currently being used by the instrument: SYST:COMM:LAN:DOM? Typical response: www.keysight.com Keysight U3020AS62 User's and Service Guide...
Example The following command defines a Host Name: SYST:COMM:LAN:HOST "U3020AS62-0001" The following query returns the Host Name currently being used by the instrument (the quotes are also returned): SYST:COMM:LAN:HOST? Typical Response: "U3020AS62-0001" Keysight U3020AS62 User's and Service Guide...
The following command sets the GPIB address to 10: SYST:COMM:GPIB:ADDR 10 The following query returns the current GPIB address: SYST:COMM:GPIB:ADDR? Typical Response: 10 For a complete list of SCPI commands, refer to the Keysight L449xA RF Switch Platform User’s Guide (L4490-90001). Keysight U3020AS62 User's and Service Guide...
4. PNA frequency range: 10 MHz to 26.5 GHz. 5. Set the PNA to Measure S21, Scale to 5 dB/Div. Figure 8 Equipment Setup MEASUREMENT Test Set Test Set To Instrument To Instrument Controller Controller Keysight U3020AS62 User's and Service Guide...
9. To verify each Input B Port to 1B through 6B, connect the PNA Port 1 cable to test set Output Port B connector. 10.Connect the PNA Port 2 cable to each Input B port, and execute the corresponding sequence command <ROUT:SEQ:TRIG SEL_PORTx> to select Port x. Figure 9 Typical S21 Response Plot Keysight U3020AS62 User's and Service Guide...
• Conductive floor-mat and heal-strap combination Both types, when used together, provide a significant level of ESD protection. To ensure user safety, static-safe accessories must provide at least 1 MW of isolation from ground. Keysight U3020AS62 User's and Service Guide...
U3020AS62 Service Information Theory of Operation This section provides a general description of the U3020AS62 Test Set, followed by a more detailed operating theory. The operation of each component group is briefly described to the assembly level only. If you need to disassemble the instrument, be sure to work at an anti-static workstation and use a grounded wrist strap to prevent damage from electrostatic discharge (ESD).
I/O port and the front panel Port LED board. LED Indicator Board This board provides an LED indication of the Port setting in the Test Set. The LED indicator board is driven by the digital IO of the Test Set. Keysight U3020AS62 User's and Service Guide...
Measure the DC voltage between the red and black wires. The red wire should measure approximately +12 Vdc. d. If any voltages are not present, the controller module power supply will need to be replaced. Keysight U3020AS62 User's and Service Guide...
Port to be selected, it is possible that the instrument Power On preset set has been corrupted. c. Contact Keysight Technologies for support in recovering this preset set. d. If no audible sound is heard, remove the top cover of the instrument.
Page 29
U3020AS62 Service Information Figure 11 Top View Controller Module and Power Supply Digital I/O Relay Driver (L4490A Option 004) I/O Distribution Distribution Bd. (Y1151A) Switch Driver 34945 Ext. RF Switches Channel A and B Keysight U3020AS62 User's and Service Guide...
The documentation contains information and warnings that must be followed by the user to ensure safe operation and to maintain the product in a safe condition. Keysight U3020AS62 User's and Service Guide...
(outside the cabinet) must be less than the maximum operating temperature of the instrument by 4 °C for every 100 watts dissipated in the cabinet. If the total power dissipated in the cabinet is greater than 800 watts, forced convection must be used. Keysight U3020AS62 User's and Service Guide...
Allow all residual alcohol moisture to evaporate, and fumes to dissipate prior to energizing the instrument. To prevent electrical shock, disconnect the Keysight Technologies U3020AS62 from mains electrical supply before cleaning. Use a dry cloth or one slightly dampened with water to clean the external case parts.
Universal recycling symbol. This symbol indicates compliance with the China standard GB 18455-2001 as required by the China RoHS regulations for paper/fiberboard packaging. South Korean Certification (KC) mark. It includes the marking’s identifier code in the format shown. R-R-Kst- ZZZZZZZ Keysight U3020AS62 User's and Service Guide...
Acoustic Statement (European Machinery Directive) Acoustic noise emission LpA <70 dB Operator position Normal operation mode per ISO 7779 To find a current Declaration of Conformity for a specific Keysight product, go to: https://regulations.about.keysight.com/DoC/default.htm Keysight U3020AS62 User's and Service Guide...
Keysight for repair. If you wish to send your instrument to Keysight Technologies for service or repair: • Include a complete description of the service requested or of the failure and a description of any failed test and any error message.