Keysight U7228A, Operating And Service Manual

Page 1: ...Keysight U7228A C F USB Pre Amplifier Operating and Service Manual...

Page 2: ...ghts customarily provided to the public to use modify reproduce release per form display or disclose commercial computer software or commercial com puter software documentation No additional governmen...

Page 3: ...ifications Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC This instrument complies with the WEEE Directive 2002 96 EC marking requirement This affixed product label indicates that...

Page 4: ...appareil ISM est conforme a la norme NMB 001 du Canada The RCM mark is a registered trademark of the Spectrum Management Agency of Australia This signifies compliance with the Australia EMC Framework...

Page 5: ...Key features of the U7228A C F USB Pre Amplifier 13 2 Installation Initial Inspection 16 Verify the U7228A C F Shipment Contents 17 Service and Recalibration 17 Operating and Safety Precautions 18 ESD...

Page 6: ...6 Keysight Product Model User s Guide Service and Maintenance 39 Service 39 Maintenance 39...

Page 7: ...OI vs Frequency Typical 25 Figure 3 8 Keysight U7228C Gain vs Frequency Typical 26 Figure 3 9 Keysight U7228C Noise Figure vs Frequency Typical 26 Figure 3 10 Keysight U7228C Input Return Loss vs Freq...

Page 8: ...3 20 Keysight U7228F Reverse Isolation vs Frequency Typical 29 Figure 3 21 Keysight U7228F Third Order Intercept TOI vs Frequency Typical 29 Figure 3 22 Mechanical dimensions of the U7228A C 31 Figure...

Page 9: ...8A Pre Amplifier Graphical Performance Data 24 Table 3 3 U7228C Pre Amplifier Graphical Performance Data 26 Table 3 4 U7228F Pre Amplifier Graphical Performance Data 28 Table 3 5 U7228A C F physical s...

Page 10: ...10 Keysight Product Model User s Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Page 11: ...Keysight U7228A C F USB Pre Amplifier Operating and Service Manual 11 1 Introduction Product Overview 12 This chapter provides an overview of the Keysight U7228A C F USB Pre Amplifier...

Page 12: ...red on a USB platform compact and portable the USB pre amplifier eliminates the need for an external power supply and is ideal for either benchtop measurements or on remote front end applications When...

Page 13: ...ugh USB plug and play features for improved noise figure measurements with Keysight N9040B UXA and N9010 20 30A X Series signal analyzers Excellent noise figure and optimized gain with X Series signal...

Page 14: ...1 Introduction 14 Keysight U7228A C F Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Page 15: ...on Initial Inspection 16 Verify the U7228A C F Shipment Contents 17 Service and Recalibration 17 Operating and Safety Precautions 18 USB Pre Amplifiers Covered by this Guide 20 This chapter provides y...

Page 16: ...ales and Technical Support on page 4 of this manual Keysight Technologies will arrange for repair or replacement of the damaged or defective equipment Keep the shipping materials for the carrier s ins...

Page 17: ...Sales and Technical Support on page 4 of this manual The performance of the U7228A C F can only be verified by specially manufactured equipment and calibration standard from Keysight The recommended...

Page 18: ...amage sensitive components when discharged Static discharges too small to be felt can cause permanent damage to the unit To prevent damage from ESD Use a grounded antistatic mat in front of your test...

Page 19: ...om the connector mating surface and threads This simple step can extend the service life of the connector and improve the quality of your calibration and measurements Gage connectors periodically This...

Page 20: ...50 GHz Cable less Figure 2 1 U7228A C F Indication light description Ready When the USB Pre Amplifier is connected with the X Series signal analyzer Busy When communication between the USB Pre Amplif...

Page 21: ...Pre Amplifier Operating and Service Manual 21 3 Specifications General Specifications 22 Mechanical Dimensions 31 Environmental Specifications 33 This chapter provides the specifications of the U7228...

Page 22: ...U7228A U7228C U7228F Frequency 10 MHz to 4 GHz 100 MHz to 26 5 GHz 2 to 50 GHz Gain dB b 16 10 to 100 MHz 0 26F 16 1 100 MHz to 26 5 GHz 0 23F 16 5 2 to 50 GHz 0 5F 17 100 MHz to 4 GHz Input return lo...

Page 23: ...pation typical 1 8 W 2 W 2 3 W RF connector 3 5 mm male 3 5 mm male 2 4 mm male Pin depth 0 to 0 05 mm 0 to 0 002 in 0 to 0 05 mm 0 to 0 002 in 0 to 0 05 mm 0 to 0 002 in Temperature co efficient typi...

Page 24: ...gure 3 4 Keysight U7228A Output Return Loss vs Frequency Typical 0 5 10 15 20 25 30 35 40 0 01 0 50875 1 0075 1 50625 2 005 2 50375 3 0025 3 50125 4 dB Frequency GHz Gain Specification 0 1 2 3 4 5 6 7...

Page 25: ...d Order Intercept TOI vs Frequency Typical Table 3 2 U7228A Pre Amplifier Graphical Performance Data continued 10 5 0 5 10 15 0 01 0 51 1 01 1 51 2 01 2 50 3 00 3 50 4 00 dBm Frequency GHz Output P1dB...

Page 26: ...igure 3 11 Keysight U7228C Output Return Loss vs Frequency Typical 0 5 10 15 20 25 30 35 40 0 1 3 4 6 7 10 13 3 16 6 19 9 23 2 26 5 dB Frequency GHz Gain Specification 0 1 2 3 4 5 6 7 8 9 10 0 1 3 4 6...

Page 27: ...C Third Order Intercept TOI vs Frequency Typical Table 3 3 U7228C Pre Amplifier Graphical Performance Data continued 10 5 0 5 10 15 0 1 3 4 6 7 10 0 13 3 16 6 19 9 23 2 26 5 dBm Freq uency GHz Output...

Page 28: ...equency Typical Figure 3 17 Keysight U7228F Input Return Loss vs Frequency Typical Figure 3 18 Keysight U7228F Output Return Loss vs Frequency Typical 0 5 10 15 20 25 30 35 40 2 8 14 20 26 32 38 44 50...

Page 29: ...Figure 3 21 Keysight U7228F Third Order Intercept TOI vs Frequency Typical Table 3 4 U7228F Pre Amplifier Graphical Performance Data continued 10 5 0 5 10 15 2 8 14 20 26 32 38 44 50 dBm Frequency GHz...

Page 30: ...F Operating and Service Manual Physical specifications Table 3 5 U7228A C F physical specifications Net weight 0 36 kg 0 79 lbs Shipping weight 1 34 kg Shipping dimensions Length 430 mm 16 92 in Width...

Page 31: ...Specifications 3 Keysight U7228A C F Operating and Service Manual 31 Mechanical Dimensions Figure 3 22 Mechanical dimensions of the U7228A C...

Page 32: ...3 Specifications 32 Keysight U7228A C F Operating and Service Manual Figure 3 23 Mechanical dimensions of the U7228F...

Page 33: ...ions for this product Table 3 6 U7228A C F environmental specifications Temperature Operating Storage 0 to 55 C 40 C to 70 C Vibration Operating random Survival random Survival swept sine 5 to 500 Hz...

Page 34: ...3 Specifications 34 Keysight U7228A C F Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Page 35: ...ier Operating and Service Manual 35 4 Operating Guides Operating Instructions 36 Service and Maintenance 39 This chapter provides simple quick check instructions to verify the U7228A C F USB Pre Ampli...

Page 36: ...r s check for the S parameter test Any network Analyzer with a USB supply can be used for performance test verification The equipment setup is as illustrated below Figure 4 1 Quick check configuration...

Page 37: ...nect the pre amplifier to the USB supply of the network analyzer 5 Obtain the measurement result for S11 input return loss S22 output return loss and S21 gain 6 Compare the measurement results with th...

Page 38: ...mplifier to port 1 of the network analyzer and the output to port 2 4 Connect the pre amplifier to the USB supply of the network analyzer 5 Obtain the measurement result for noise figure 6 Compare the...

Page 39: ...it become necessary to return the U7228A C F for repair or service contact your nearest Keysight Sales and Service Center Maintenance The connectors of the U7228A C F particularly the connector faces...

Page 40: ...4 Operating Guides 40 Keysight U7228A C F Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Page 41: ...ject to change without notice Always refer to the English version at the Keysight website for the latest revision Keysight Technologies 2015 Edition 1 Feb 1 2016 Printed in Malaysia U7228 90001 U7228...