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Keysight 8490D/G, 8491A/B,

8493A/B/C Coaxial Fixed

Attenuators

Keysight 11581A, 11582A,

11583C Attenuator Sets

Operating and

Service Manual

Содержание 11581A

Страница 1: ...Keysight 8490D G 8491A B 8493A B C Coaxial Fixed Attenuators Keysight 11581A 11582A 11583C Attenuator Sets Operating and Service Manual...

Страница 2: ...ese rights 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 gov...

Страница 3: ...toring 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 Ce...

Страница 4: ...4 Keysight 849x and 1158x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 5: ...uator overview 11 Features 12 Optional calibration data 12 Attenuator sets 12 Specifications 13 Environmental Specifications 20 Installation 21 Initial inspection 21 Returning attenuators under warran...

Страница 6: ...6 Keysight 849x and 1158x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 7: ...ures Figure 1 Equipment setup using oscillator and SWR meter 22 Figure 2 Equipment setup using network analyzer 24 Figure 3 2 4 mm 1 85mm connector diagram 25 Figure 4 Type N connector diagram 26 Figu...

Страница 8: ...8 Keysight 849x and 1158x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 9: ...enuator 14 Table 5 Specifications for 8491A and 8493A coaxial fixed attenuators 15 Table 6 Specifications for 8491B and 8493B coaxial fixed attenuators 16 Table 7 Specifications for 8493C coaxial fixe...

Страница 10: ...10 Keysight 849x and 1158x Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK...

Страница 11: ...fixed attenuators The Option number indicates the attenuation value For example Option 003 indicates 3 dB attenuation Option 010 indicates 10 dB attenuation and so on Model Option Frequency range Con...

Страница 12: ...tabulated list of attenuations and reflection coefficients in which the number of frequency points provided depends on the model number and frequency range Option UK6 calibration data is available whe...

Страница 13: ...ption 003 indicates 3 dB attenuation Option 010 indicates 10 dB attenuation and so on DC to 50 GHz DC to 26 5 GHz 26 5 to 50 GHz 003 2 5 3 9 4 8 006 5 4 6 9 7 8 010 9 4 10 9 11 3 020 19 2 21 3 21 7 03...

Страница 14: ...2 31 3 31 5 31 7 040 38 0 42 5 42 5 42 5 Maximum SWR Option a a Option numbers indicate the attenuation values For example Option 003 indicates 3 dB attenuation Option 010 indicates 10 dB attenuation...

Страница 15: ...ation Option 010 indicates 10 dB attenuation and so on DC to 12 4 GHz 003 0 3 006 0 3 010 0 5 020 0 5 030 1 0 040 b 1 5 050 b 1 5 060 b 2 0 SWR Option a DC to 8 GHz 8 to 12 4 GHz 003 1 25 1 35 006 1 2...

Страница 16: ...ature SMA type Attenuation accuracy in dB Option a DC to 12 4 GHz 12 4 to 18 GHz 003 0 3 0 3 006 0 3 0 4 010 0 6 0 6 020 0 6 1 0 030 1 0 1 0 040 b 1 5 1 5 050 b 1 5 1 5 060 b 2 0 2 0 SWR Option a DC t...

Страница 17: ...40 mm Diameter 8491B 13 16 in 21 mm 8493B 1 2 in 13 mm a Option numbers indicate the attenuation values For example Option 003 indicates 3 dB attenuation Option 010 indicates 10 dB attenuation and so...

Страница 18: ...ption numbers indicate the attenuation values For example Option 003 indicates 3 dB attenuation Option 010 indicates 10 dB attenuation and so on DC to 8 GHz 8 to 12 4 GHz 12 4 to 26 5 GHz 003 1 10 1 1...

Страница 19: ...tains a 3 6 10 and 20 dB 8493C Table 8 Accuracy of insertion loss measurements S21 S12 Table 9 Accuracy of reflection coefficient measurements S11 S22 Attenuation DC to 4 GHz 4 to 12 GHz 12 to 18 GHz...

Страница 20: ...re designed to fully comply with Keysight Technologies product operating environmental specifications as shown Table 10 Table 10 849x coaxial fixed attenuator and 1158x attenuator sets environmental s...

Страница 21: ...r defective equipment Keep the shipping materials for the carrier s inspection 3 If you are returning the instrument under warranty or for service repackaging the instrument requires original shipping...

Страница 22: ...R meter A reference level is set up on the detector using a through connection in place of the attenuator The attenuator is then inserted and the change in the detector level is noted This checks the...

Страница 23: ...ding in the table below 4 Connect the attenuator into the system adjust the SWR meter range switch as listed in Table 11 and verify that the SWR meter indicates within the limits as shown Table 11 Tab...

Страница 24: ...on the test ports of the network analyzer This depends on the type of the attenuator being checked The equipment setup is as illustrated in Figure 2 1 Calibrate the network analyzer with appropriate s...

Страница 25: ...contributed by other devices connected to them The attenuators are bidirectional that is the signal may be inserted from either end 8490D G The 8490D 2 4 mm connectors mate with other 2 4 mm connecto...

Страница 26: ...erating and Service Manual 8491A B The 8491A B type N connectors mate with all type N connectors whose dimensions conform to IEE STD 287 Figure 4 Type N connector diagram NOTE Do not mate with 0 071 i...

Страница 27: ...sight 849x and 1158x Operating and Service Manual 27 8493A B The 8493A B has a male SMA jack on one end and a female SMA on the other These connectors mate with the opposite sex SMA connectors Figure...

Страница 28: ...3C The 8493C has a male 3 5 mm connector on one end and a female 3 5 mm connector on the other side These connectors mate with the opposite sex 3 5 mm or SMA connectors Figure 6 3 5 mm connector diagr...

Страница 29: ...al 29 Performance Test The attenuators can be tested to the accuracy of the specifications with a network analyzer or equivalent equipment of suitable accuracy If a network analyzer is available test...

Страница 30: ...ed for repair since the cards must be mounted in cartridges to test and testing costs more than a replacement attenuator Maintenance The connectors particularly the connector faces must be kept clean...

Страница 31: ...s subject to change without notice Always refer to the English version at the Keysight website for the latest revision Keysight Technologies 2014 2019 Edition 6 June 26 2019 Printed in Malaysia 08491...

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