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U3050BH11

Service Information

Refer to

“Contacting Keysight” on page

No operator serviceable parts inside. Refer servicing to qualified

personnel. To prevent electrical shock do not remove covers.

These servicing instructions are for use by qualified personnel only. To

avoid electrical shock, do not perform any servicing unless you are

qualified to do so.

Replaceable Parts

The following replaceable parts are available from Keysight Technologies “Find-A-Part”
system on the web at

https://www.keysight.com/my/faces/fapHomePage.jspx

Table

Available Replaceable Parts (SPO)

Description

Keysight Part

Number

Bulkhead connector, 2.4 mm

5062-7243

Bulkhead connector, 1.85 mm

5065-4673

Coupler

5086-7658

PWR Supply (AC/DC SWG 650W 9-Output

0950-4729

Fuse (8 A 250 V non-time delay 0.0146 Ohm

2110-0342

Fuse (5 A 250 V non-time delay Socket

2110-0709

Table

U3050BH11 Replaceable Parts

Description

Keysight Part

Number

Amplifier

N4985

Rear support foot (right)

N5242-20206

Rear support foot (left)

N5242-20207

U3050

H11 User’s and Service Guide

U3050-9000

Keysight U3050BH11 User's and Service Guide

Содержание U3050BH11

Страница 1: ...User s and Service Guide Keysight Technologies U3050BH11 Use this manual with the following documents PNA Series Network Analyzer On line Help System...

Страница 2: ...e to U S government customers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweu la The lice...

Страница 3: ...dure 15 S13 Test 16 S11 Test 18 S21 Test 20 S41 Test 22 S22 Test 24 S44 Test 26 S33 Test 28 Service Information 30 Replaceable Parts 30 Theory of Operation 31 Couplers and Amplifiers 31 Troubleshootin...

Страница 4: ...Contents 2...

Страница 5: ...U3050BH11 Keysight U3050BH11 User s and Service Guide 1...

Страница 6: ...rmance beyond specification that 80 of the units exhibit with a 95 confidence level over the temperature range 20 to 30 C Typical performance does not include measurement uncertainty Nominal values in...

Страница 7: ...spect the shipping container If the container or packing material is damaged it should be kept until the contents of the shipment have been checked mechanically and electrically If there is physical d...

Страница 8: ...uld not be placed on the same ac line that powers the Test Set and PNA X Table 2 contains the maximum wattage for all instruments This table can be use to determine the electrical and cooling requirem...

Страница 9: ...d The ambient temperature 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 i...

Страница 10: ...evels are not necessarily the optimum level Table 4 Test Set Power Levels Front Panel Connections Maximum Test Port RF Power Levels RCVR R1 IN 15 dBm 7 Vdc Interface Ports Port 1 30 dBm 0 Vdc Port 1 C...

Страница 11: ...PORT 1 SOURCE OUT DUT OUT and PXA Standby LED The LED is Off not illuminated when the Test Set is in Standby Standby Switch Note that this switch is Standby only not a line switch The main power cord...

Страница 12: ...0082 Line Module The line fuse as well as a spare reside within the line module Figure 4 illustrates where the fuses are located and how to access them Available Fuse Fuse F 5 A 250V 2110 0709 UL list...

Страница 13: ...and screws 0515 1619 from the rear panel on the network analyzer Figure 5 Rear Bottom Feet 3 Install the two rear locking feet 5023 0132 onto the PNA X using the included screws 0515 1619 where the s...

Страница 14: ...PNA X is positioned slightly forward of the locks that are attached to the Test Set Slide the PNA X back so the locks engage the front frame of the analyzer as shown in Figure 8 Figure 7 Rear Panel N5...

Страница 15: ...rew holes in the Test Set s upper locking feet loosen the screws securing the feet to the instrument slightly to align and tighten Figure 9 Locking Feet Screws There are two Lock Feet kits available R...

Страница 16: ...THRU 2 Connect the RF interconnect cables from the PNA X to the Test Set front panel As you are connecting each cable torque to 8 in lb Refer to Table 5 and Figure 10 on page 13 Over torque will caus...

Страница 17: ...o dangerous voltages Disconnect the instrument from all voltage sources while it is being opened Figure 10 U3050BH11 Front Panel Connections1 7KH QXPEHU labelV VKRZQ UHSUHVHQW WKH ODVW WZR GLJLWV RI W...

Страница 18: ...for the RCVR R1 IN to function The front panel bulkhead access connectors allow for custom configurations and minimizes connections to the PNA X Refer to Figure 26 on page 32 The power level from Por...

Страница 19: ...nt and components listed in Table 6 This section provides an equipment list and configuration of the PNA X and Test Set Table 6 Equipment List Description Qty N5245A 50 GHz analyzer 1 RF cable 2 4 mm...

Страница 20: ...is then coupled to RCVR A IN 1 Connect a Short Open to U3050BH11 bulkhead Port 1 2 Set source power to 15 dBm 3 Turn on trace S13 4 Verify that the S13 trace has approximately 10 dB of gain at the low...

Страница 21: ...U3050BH11 Operational Check Figure 13 Keysight U3050BH11 User s and Service Guide 17...

Страница 22: ...n termination and is then coupled to RCVR A IN 1 Connect a Short Open to U3050BH11 bulkhead Port 1 2 Set source power to 15 dBm 3 Turn on trace S11 4 Verify that the S11 trace has approximately 25 dB...

Страница 23: ...U3050BH11 Operational Check Figure 15 Keysight U3050BH11 User s and Service Guide 19...

Страница 24: ...le from U3050BH11 bulkhead Port 1 to U3050BH11 bulkhead DUT OUT 2 Set source power to 20 dBm 3 Turn on trace S21 4 Verify that the S21 trace has 35 dB of gain at the low end and 10 dB of gain at the h...

Страница 25: ...U3050BH11 Operational Check Figure 17 Keysight U3050BH11 User s and Service Guide 21...

Страница 26: ...ort 4 and coupled into RCVR D IN 1 Connect an RF cable from U3050BH11 bulkhead Port 1 to U3050BH11 bulkhead DUT OUT 2 Set source power to 15 dBm 3 Turn on trace S41 4 Verify that the S41 trace has app...

Страница 27: ...U3050BH11 Operational Check Figure 19 Keysight U3050BH11 User s and Service Guide 23...

Страница 28: ...OUCE OUT to U3050BH11 bulkhead DUT OUT 2 Set source power to 0 dBm 3 Turn on trace S22 4 Verify that the S22 trace has approximately 0 dB of loss at the low end and 5 dB of loss at the high end as see...

Страница 29: ...U3050BH11 Operational Check Figure 21 Keysight U3050BH11 User s and Service Guide 25...

Страница 30: ...f PNA Port 4 is coupled to test Set DUT OUT and is terminated in a 50 load 1 Connect the 50 load to U3050BH11 bulkhead DUT OUT 2 Set source power to 0 dBm 3 Turn on trace S44 4 Verify that the S44 tra...

Страница 31: ...U3050BH11 Operational Check Figure 23 Keysight U3050BH11 User s and Service Guide 27...

Страница 32: ...els out of PNA Port 3 into an amplifier and any reflected power is coupled to RCVR C IN 1 No connections are required 2 Set source power to 15 dBm 3 Turn on trace S33 4 Verify that the S33 trace has a...

Страница 33: ...U3050BH11 Operational Check Figure 25 Keysight U3050BH11 User s and Service Guide 29...

Страница 34: ...echnologies Find A Part system on the web at https www keysight com my faces fapHomePage jspx Table 7 Available Replaceable Parts SPO Description Keysight Part Number Bulkhead connector 2 4 mm 5062 72...

Страница 35: ...Amplifier 2 input The Amplifier s output is connected to the internal coupler s coupled port RF Transmission Paths Port 1 to Port 1 Port 1 RCVR R1 IN to RCVR R1 IN Port 2 to DUT OUT Port 2 CPLR ARM t...

Страница 36: ...U3050BH11 Theory of Operation Figure 26 U3050BH11 with N5245A Block Diagram 32 Keysight U3050BH11 User s and Service Guide...

Страница 37: ...U3050BH11 Theory of Operation Figure 27 U3050BH11 Block Diagram Keysight U3050BH11 User s and Service Guide 33...

Страница 38: ...The front panel Standby LED should operate when the Standby Switch is in the On position 3 AC line voltage checks remove AC power from the instrument a Ensure the proper AC line voltage is present at...

Страница 39: ...s 9 Volt on the Power Supply If the voltages are correct verify that the cables are connected correctly on both the amplifier and the LED assembly 2 Verify the amplifier switches are in the ON positio...

Страница 40: ...roubleshooting Figure 28 Power Supply Wire Connections Figure 29 U3050BH11 Top View Standby Switch 9 V Line Module Fuses Power Supply A1 Amp A2 Amp Coupler Coupler 36 Keysight U3050BH11 User s and Ser...

Страница 41: ...tempt to clean internally Connector Care and Cleaning If alcohol is used to clean the connectors the power cord to the instrument must be removed All cleaning should take place in a well ventilated ar...

Страница 42: ...se product damage and the risk of electrical shock This product is designed for use in Installation Category II and Pollution Degree 2 Verify that the premise electrical voltage supply is within the r...

Страница 43: ...structions are for use by qualified personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so The opening of covers or removal of parts is likely to expos...

Страница 44: ...he CE mark is a registered trademark of the European Community The Keysight email address is required by EU directives applicable to our product The CSA mark is a registered trademark of the CSA Inter...

Страница 45: ...s in conformance with the German Regulation on Noise Declaration for Machines Laermangabe nach der Maschinenlaermrerordnung 3 GSGV Deutschland EMC Information Complies with European EMC Directive 2004...

Страница 46: ...when making connections always wear a heel strap 9300 1126 when working in an area with a conductive floor If you are uncertain about the conductivity of your floor wear a heel strap always ground you...

Страница 47: ...n any correspondence or telephone conversation refer to the Keysight product by its model number and full serial number With this information the Keysight representative can determine the warranty sta...

Страница 48: ...This information is subject to change without notice Keysight Technologies 2018 Print Date November 2018 Supersedes March 2018 U3050 90006 www keysight com...

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