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Keysight N5281A, User'S And Service Manual

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40

 User’s and Service Guide N5281-90001

N5281A

Service Information

Replaceable Parts

Special options are built to order, long lead times may be encountered when ordering 

replacement parts.

Table 15 

Replaceable Parts for Serial Numbers US48480101, US48480103 

    and US48480104 

Description

Keysight 

Part Number

1

PWR Supply (AC/DC SWG 650 W 9-Output)

0950-4729

2

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

2110-0342

3

Mixer Brick Bias Board Assembly 

N5280-63015

4

Mixer Brick 50 GHz Assembly

5087-7279

5

3.5 mm Bulkhead Connector (female)

5062-6618

6

2.4 mm Bulkhead Connector (female)

5062-7243

7

RF Cable, semi-rigid (MXB to LO IN)

N5281-20001

N5281A Option 700 (Standard): 

8

RF Cable, semi-rigid (MXB to C)

N5281-20002

9

RF Cable, semi-rigid (MXB to B)

N5281-20003

10

RF Cable, semi-rigid (MXB to D)

N5281-20004

11

RF Cable, semi-rigid (MXB to A)

N5281-20005

N5281A Option 001:

12

Attenuator (35 dB) 50 GHz, 3-Section 

Y-Contact, 5 V, 2.4 mm Connector

33325-60011

13

RF Cable, semi-rigid (ATTN-A to MXB)

N5281-20006

14

RF Cable, semi-rigid (ATTN-D to MXB)

N5281-20007

15

RF Cable, semi-rigid (ATTN-B to MXB)

N5281-20008

16

RF Cable, semi-rigid (ATTN-C to MXB)

N5281-20009

17

RF Cable, semi-rigid (ATTN-D to D)

N5281-20010

18

RF Cable, semi-rigid (ATTN-B to B)

N5281-20011

19

RF Cable, semi-rigid (ATTN-C to C)

N5281-20012

20

RF Cable, semi-rigid (ATTN-A to A)

N5281-20013

Summary of Contents for N5281A

Page 1: ...s N5281A User s and Service Guide Notice This document contains references to Agilent Please note that Agilent s Test and measurement business has become Keysight Technologies For more information go...

Page 2: ...Software 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 sweula T...

Page 3: ...trolling the Test Set with E8363B C or E8364B C 16 Controlling the Test Set with N5264A 18 Controlling the Test Set with N5244A or N5245A 22 Controlling the RF Receiver Attenuators 24 Operational Chec...

Page 4: ...Contents 2 Contents Keysight Support Services and Assistance 51 Service and Support Options 51 Contacting Keysight 51 Shipping Your Product to Keysight for Service or Repair 51...

Page 5: ...User s and Service Guide N5281 90001 1 N5281A...

Page 6: ...quency Converter Test Set This document describes how to use the N5281A Test Set with the following instruments E8363B C 10 MHz to 40 GHz PNA Network Analyzer E8364B C 10 MHz to 50 GHz PNA Network Ana...

Page 7: ...User s and Service Guide N5281 90001 3 N5281A Introduction Figure 1 E8364B C with N5281A Figure 2 N5264A Measurement Receiver with N5281A...

Page 8: ...4 User s and Service Guide N5281 90001 N5281A Introduction Figure 3 N5244 45A 2 Port with N5281A Figure 4 N5244 45A 4 Port with N5281A...

Page 9: ...onfigurations to characterize antenna parameters radar cross sections and frequency translation devices Figure 5 on page 6 illustrates one possible measurement set up configuration Network Analyzer Re...

Page 10: ...Setup RF RF C A LO Source Antenna Reference Antenna DUT N5264A Measurement Receiver N5281A Frequency Converter A C RF Source RF Source Positioner Positioner Controller Amplifier Control Lines RF Cabl...

Page 11: ...t until the contents of the shipment have been checked mechanically and electrically If there is physical damage refer to Keysight Support Services and Assistance on page 51 Keep the damaged shipping...

Page 12: ...nly offered for the N5281A A functional certificate is supplied for the N5281A The N5281A performance is based on external components such as the calibration kit network analyzer external sources and...

Page 13: ...PNA Table 3 contains the maximum wattage for all instruments This table can be use to determine the electrical and cooling requirements This is a Safety Class I product provided with a protective ear...

Page 14: ...equirements for the intended location of use Equipment Heating and Cooling If necessary install air conditioning and heating to maintain the ambient temperature within the appropriate range Air condit...

Page 15: ...epth E8363B C 29 kg 64 lb 0 5 lb 26 7 cm 10 5 in 43 43 cm 17 10 in 46 99 cm 18 50 in E8364B C 29 kg 64 lb 0 5 lb 26 7 cm 10 5 in 43 43 cm 17 10 in 46 99 cm 18 50 in N5244 45A See Table 6 26 7 cm 10 5...

Page 16: ...evels in the receivers Damage and maximum levels are not necessarily the optimum level Table 7 Power Levels RF Input Power Damage Levels RF Port 18 dBm LO Port 5 dBm Optimum LO Power 0 dBm 1 dB RF Inp...

Page 17: ...el Features Figure 6 Front Panel RF Input A B C and D These input ports transmit RF energy to the sampler within the instrument Line Switch The front panel LINE switch disconnects the mains circuits f...

Page 18: ...the 11713C Attenuator Switch Driver Line Module The line fuse as well as a spare reside within the line module Figure 8 illustrates where the fuses are located and how to access them Install the instr...

Page 19: ...Fuses Fuse F 5 A 250V 2110 0709 UL listed and CSA certified Verify that the premise electrical voltage supply is within the range specified on the instrument Figure 8 Line Fuse This instrument has au...

Page 20: ...5281A Frequency Converter Test Set with the E8363B C or E8364B C PNA Network Analyzer with required Option H11 which adds IF access A PNA must be used to control the N5281A The internal LO Source from...

Page 21: ...281A Controlling the Test Set with E8363B C or E8364B C Figure 10 Rear Panel N5281A and E8364B C A B C R1 D R2 ATTENUATOR A B C D IF OUTPUTS IF OUTPUTS LO IN LO AUX A B R1 R2 LO E8664B C 2 Port PNA N5...

Page 22: ...r A N5264A must be used to control the N5281A The N5264A Option 108 adds an internal LO Source 26 5 GHz for testing Refer to Figure 11 and Figure 12 on page 19 for cable connections You may also use a...

Page 23: ...lling the Test Set with N5264A Figure 12 Rear Panel N5281A and N5264A with Option 108 N5264A Measurement Receiver 10 MHZ REF N5281A Frequency Converter RF Source A B C R1 D R2 ATTENUATOR A B C D IF OU...

Page 24: ...ice Guide N5281 90001 N5281A Controlling the Test Set with N5264A Figure 13 Front Panel N5281A and N5264A without Option 108 RF INPUTS A B C D N5264A Measurement Receiver N5281A Frequency Converter LO...

Page 25: ...the Test Set with N5264A Figure 14 Rear Panel N5281A and N5264A without Option 108 N5264A Measurement Receiver N5281A Frequency Converter A B C R1 D R2 ATTENUATOR A B C D IF OUTPUTS IF OUTPUTS LO IN L...

Page 26: ...cy Converter Test Set with the N5244 45A PNA X Network Analyzer with required Option 020 which adds External IF Inputs A PNA X must be used to control the N5281A The internal LO Source from the PNA X...

Page 27: ...t Panel N5281A and N5244 45A 4 Port Figure 17 Rear Panel N5281A and N5244 45A RF INPUTS A B C D N5244 45A Microwave Network Analyzer N5281A Frequency Converter N5244 45A Microwave Network Analyzer N52...

Page 28: ...1713C attenuator switch driver controls the test set through the Viking connector on the rear panel Figure 18 Rear Panel N5281A and 11713C A B C R1 D R2 ATTENUATOR A B C D IF OUTPUTS IF OUTPUTS LO IN...

Page 29: ...that are required to set the attenuation Example In the Attenuator X panel press 1 3 to set Channel A to 15 dB Figure 19 Front Panel Table 8 Attenuators Attenuator X Channel A Attenuator Y Channel C A...

Page 30: ...quipment Required The Keysight N5281A requires that the user be familiar with the equipment and components listed in Table 9 This section provides an equipment list and setup of the network analyzers...

Page 31: ...ion limits Typical specifications are based on 1 to 2 units performance Table 10 RF Receiver Tracking RF Port Magnitude Tracking Frequency Value 10 MHz to 20 GHz 2 0 dB 20 GHz to 30 GHz 3 0 dB 30 GHz...

Page 32: ...0 MHz to 20 GHz 0 02 0 02 20 GHz to 40 GHz 0 04 0 04 40 GHz to 50 GHz 0 07 0 07 Trace Noise Phase deg rms 14 1 kHz IF Bandwidth 4 Trace Noise in degrees standard deviation 10 MHz to 500MGHz n a 0 15 5...

Page 33: ...s into account This set up should only be used when the receiver input will not exceed its compression or damage level Table 14 Dynamic Range Dynamic Range 10 Hz IF Bandwidth Frequency Typical dB Dire...

Page 34: ...bles as shown in Figure 9 on page 16 and Figure 10 on page 17 2 Connect the 10 dB attenuator to the PNA X reference port cable 3 Turn On the Test Set 4 Select Preset 5 Verify that the Stop Frequency i...

Page 35: ...N5281A Operational Check 12 Set the IF Switch Config On In the drop down menu select Trace Chan Channel Hardware Setup IF Switch Config Figure 21 IF Switch Config 13 Select all of the IF Inputs Exter...

Page 36: ...Reference level 0 dBm Figure 24 Typical Receiver A 16 Connect the cable to B RF INPUTS on the test set Select Meas Receivers select B Apply OK to observe the power level trace 17 Connect the cable to...

Page 37: ...2 Figure 16 on page 23 and Figure 17 on page 23 2 Connect the 10 dB attenuator to the PNA X reference port cable 3 Turn On the Test Set 4 Select Preset 5 Verify that the Stop Frequency is set to the m...

Page 38: ...N5281 90001 N5281A Operational Check 12 Select all of the IF Inputs External A B C and D OK Figure 26 IF Input 13 Connect the cable to A RF INPUTS on the test set Select Meas More Receivers select A A...

Page 39: ...the cable to B RF INPUTS on the test set Select Meas More Receivers select B Apply OK to observe the power level trace 16 Connect the cable to C RF INPUTS on the test set Select Meas More Receivers se...

Page 40: ...t the IF Switch Config On Select Trace Chan Channel Hardware Setup IF Switch Config Refer to Figure 21 on page 31 5 Select all of the IF Inputs External A B R1 and R2 OK Refer to Figure 22 on page 31...

Page 41: ...ce Guide N5281 90001 37 N5281A Operational Check Figure 29 N5281A Block Diagram Standard 700 LO IF RF LO IF RF LO IF RF LO IF RF A B C D Power Supply 9 Volts DC 15 Volts DC N5281A LO IN 0950 4729 A B...

Page 42: ...5281A Block Diagram Option 001 LO IF RF LO IF RF LO IF RF LO IF RF LO IN A B C D ATTENUATORS 5 Volt Power Supply 20 dB 10 dB 5 dB 20 dB 10 dB 5 dB 20 dB 10 dB 5 dB 20 dB 10 dB 5 dB 33325 60011 9 Volts...

Page 43: ...e of service agreements with varying response times Contact Keysight for additional information on available service agreements for this product No operator serviceable parts inside Refer servicing to...

Page 44: ...nnector female 5062 7243 7 RF Cable semi rigid MXB to LO IN N5281 20001 N5281A Option 700 Standard 8 RF Cable semi rigid MXB to C N5281 20002 9 RF Cable semi rigid MXB to B N5281 20003 10 RF Cable sem...

Page 45: ...User s and Service Guide N5281 90001 41 N5281A Service Information Figure 31 N5281A Option 700 with Mixer Brick N5280 63015 7 A B C D 6 2 1 9 10 11 8 4 5 3...

Page 46: ...ser s and Service Guide N5281 90001 N5281A Service Information Figure 32 N5281A Option 001 with Mixer Brick N5280 63015 1 4 A B C D 6 7 16 13 14 15 18 19 20 Atten D Atten B Atten C Atten A 17 12 12 5...

Page 47: ...19 N5281A Option 700 Standard 9 RF Cable semi rigid MXB A D to RF A N5281 20020 10 RF Cable semi rigid MXB R2 R3 to RF D N5281 20021 11 RF Cable semi rigid MXB R1 R4 to RF C N5281 20022 12 RF Cable se...

Page 48: ...44 User s and Service Guide N5281 90001 N5281A Service Information Figure 33 N5281A Option 700 with Mixer Brick N5281 63024 11 10 9 7 8 A B C D 6 2 1 4 3 12 5...

Page 49: ...ser s and Service Guide N5281 90001 45 N5281A Service Information Figure 34 N5281A Option 001 with Mixer Brick N5281 63024 19 18 Atten D Atten B Atten C Atten A 13 13 14 17 2 1 3 4 15 16 5 7 8 21 20 6...

Page 50: ...cket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is p...

Page 51: ...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 This product is de...

Page 52: ...nel To prevent electrical shock do not remove covers The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the...

Page 53: ...as proven It indicates that the product complies with all relevant directives The Keysight email address is required by EU directives applicable to our product The CSA mark is a registered trademark o...

Page 54: ...following standards dates and editions are cited in the Declaration of Conformity IEC 61326 1 CISPR Pub 11 Group 1 class A AS NZS CISPR 11 ICES NMB 001 This ISM device complies with Canadian ICES 001...

Page 55: ...r With this information the Keysight representative can determine the warranty status of your unit Shipping Your Product to Keysight for Service or Repair IMPORTANTKeysight Technologies reserves the r...

Page 56: ...This information is subject to change without notice Keysight Technologies 2017 2018 Print Date December 2018 Supersedes March 2017 N5281 90001 www keysight com...

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