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X, P, and K 11644A

4-5

Use, Maintenance, and Care of the Devices

Connections

Connections

Good connections require a skilled operator. Slight errors in operator technique can have a significant

effect on measurements and measurement uncertainties

. The most common cause of measurement error

is poor connections.

The following procedures illustrate how to make good connections.

Waveguide Devices

IMPORTANT

Unlike threaded devices, the WR-90, WR-62, WR-42 waveguide mating planes are flanges

(often precision) that you must carefully screw together. Always connect waveguide in the

same flange orientation. For example, use the label as a reference and always connect a

device with the label facing the same direction.

Precision Flanges

A precision flange has four corner screw holes

and

two precision alignment holes, as shown in

.

A non-precision flange has only four corner screw holes

.

Figure 4-2 Precision Alignment Holes

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Содержание 11644A K

Страница 1: ...Keysight Technologies 11644A X P and K Waveguide Calibration Kits User s and Service Guide This manual applies to 11644A series calibration kits with serial number prefix 3032A...

Страница 2: ......

Страница 3: ...X P and K 11644A i...

Страница 4: ...ERFORMANCE OF THIS DOCUMENT OR ANY INFORMATION CONTAINED HEREIN SHOULD KEYSIGHT AND THE USER HAVE A SEPARATE WRITTEN AGREEMENT WITH WARRANTY TERMS COVERING THE MATERIAL IN THIS DOCUMENT THAT CONFLICT...

Страница 5: ...eristics 2 3 1 4 Wavelength Shims 2 4 Shorts 2 4 Electrical Specifications 2 5 Measurement Uncertainty 2 6 Certification 2 6 3 User Information Calibration Devices and Their Use 3 2 Short 3 2 Terminat...

Страница 6: ...eration Checks 5 6 8510 System Operation Check 5 6 The S11 and S22 of a Shorted Standard Section 5 6 The S11 and S22 of a Thru Measurement 5 8 The S21 and S12 of a Thru Measurement 5 9 In Case of Fail...

Страница 7: ...1 General Information...

Страница 8: ...nnection the shorter screws provide a faster connection for two flange connections Calibration Definitions The calibration kit must be selected and the calibration definitions for the devices in the k...

Страница 9: ...is manual applies 11644A Series Kits with Serial Prefix 3012A These calibration kits did not have a calibration definitions disk to support the Keysight 8510C network analyzer The part numbers provide...

Страница 10: ..._______________________ Calibration kit ______________________________ Termination ______________________________ Termination ______________________________ Standard section __________________________...

Страница 11: ...nd measurement is the major cause in calibration accuracy degradation The major effect is a change in the physical length of external and internal cables Other important causes are dirty and damaged t...

Страница 12: ...1 6 X P and K 11644A General Information Preventive Maintenance...

Страница 13: ...2 Specifications...

Страница 14: ...a heat source and may increase the temperature of the device Table 2 1 Environmental Requirements Parameter Limits Temperature Operating1 1 The temperature range over which the calibration standards m...

Страница 15: ...on Table 2 2 Mechanical Characteristics of Adapters Frequency band SWR1 1 As measured with no gap between the full diameters of the male and female center conductors Insertion Loss Center Conductor Pi...

Страница 16: ...All waveguide shorts are flat within 0 008 mm Table 2 3 Mechanical Characteristics of 1 4 Wavelength Shims Frequency band Waveguide Band W mm H mm R mm Thickness mm 11664 20021 WR90 22 86 0 01 10 16...

Страница 17: ...bility as used in a network analyzer to define directivity after calibration P11644A WR 62 12 4 to 18 GHz return loss 42 d 1 K11644A WR 42 18 to 26 5 GHz return loss 42 d 1 Table 2 5 Electrical Specif...

Страница 18: ...Uncertainty Calculator program To access this program from the Web navigate to www keysight com and enter calculator in the Search function Explanations of the uncertainty model are provided in the PN...

Страница 19: ...3 User Information...

Страница 20: ...efly describes the design and construction of all the calibration kit devices Short A short is also called a flush short It is connected directly to the test port or used as an offset short when combi...

Страница 21: ...ter screws provide a faster connection for two flange connections Isolation In most cases select the OMIT ISOLATION softkey on your network analyzer You may also use the termination and the short as t...

Страница 22: ...Connect the termination to the appropriate test port as shown in Figure 3 3 Figure 3 3 Test Port and Termination Offset Load Connect the shim and the termination to the appropriate test port as shown...

Страница 23: ...t Connect the shim and the short to the appropriate test port as shown in Figure 3 5 Figure 3 5 Connect the Shim Short and Test Port Reflect Connect the short to the appropriate test port as shown in...

Страница 24: ...User Information Measurement Applications Thru No device is required for this Connect port 1 to port 2 as shown in Figure 3 7 Figure 3 7 Port 1 and Port 2 Wavelength Load See Offset Load Wavelength Sh...

Страница 25: ...s of the shim and use that value to calculate its exact offset delay Use the following procedure to change the nominal value of the wavelength shim delay to reflect the specific device in your kit 1 L...

Страница 26: ...3 8 X P and K 11644A User Information Changing the Wavelength Shim Calibration Definition...

Страница 27: ...4 Use Maintenance and Care of the Devices...

Страница 28: ...of your test equipment always wear a heel strap 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 yourself befo...

Страница 29: ...ce A damaged mating surface can damage any good surface connected to it If necessary clean all mating surfaces Magnification is helpful when inspecting mating surfaces but it is not required and may a...

Страница 30: ...ional information WARNING Keep isopropyl alcohol away from heat sparks and flame Store in a tightly closed container It is extremely flammable In case of fire use alcohol foam dry chemical or carbon d...

Страница 31: ...connections Waveguide Devices IMPORTANT Unlike threaded devices the WR 90 WR 62 WR 42 waveguide mating planes are flanges often precision that you must carefully screw together Always connect waveguid...

Страница 32: ...rting Slip Pins 2 Using the pins as guides carefully align the flanges and insert two screws in the diagonal corner holes as shown in Figure 4 4 Figure 4 4 Aligning Flanges 3 Place a lock washer and n...

Страница 33: ...al corner hole of the second flange as shown in Figure 4 5 Figure 4 5 Aligning Pins 2 Using the pins as guides carefully align the flanges and insert two screws in the diagonal corner holes 3 Place a...

Страница 34: ...nspect the connection Refer to the following section Inspecting a Flange Connection Figure 4 6 X Screw Pattern Inspecting a Flange Connection Inspect the flange connection as follows 1 Place an electr...

Страница 35: ...in a box or in a desk or bench drawer This is the most common cause of device damage during storage Keep devices clean Do not touch mating plane surfaces Natural skin oils and microscopic particles o...

Страница 36: ...4 10 X P and K 11644A Use Maintenance and Care of the Devices Handling and Storage...

Страница 37: ...5 Performance Verification...

Страница 38: ...nts and material properties are carefully modeled to give very accurate electrical representation The mechanical measurements are then traced to NIST through various plug and ring gages and other mech...

Страница 39: ...efer to Contacting Keysight on page 6 4 for a list of offices How Often to Recertify The suggested initial interval for recertification is 12 months or sooner The actual need for recertification depen...

Страница 40: ...oss Test Setup 1 Connect the equipment as shown in Figure 5 1 Turn on and preset the network analyzer Let the equipment warm up for at least one hour NOTE The calibration kit definitions must already...

Страница 41: ...complete measurement sweep the displayed trace should look similar to that shown in Figure 5 2 10 If necessary update the trace 11 Use a marker to determine the maximum value on the trace This marker...

Страница 42: ...of the calibrated system is within the factory specified values 2 Check the S11 and S22 of a thru measurement As in the previous step the results of this check contain the directivity error but becau...

Страница 43: ...pple on the displayed trace this is any positive peak to any adjacent negative peak a Press MENUS MARKER and select delta MODE MENU b Set the reference to marker 2 c Switch between markers 1 and 2 in...

Страница 44: ...ress SCALE 10 d Press MEASUREMENT RESTART 5 After one complete measurement sweep the displayed trace should look similar to the typical trace shown in Figure 5 4 6 If necessary select Press to Continu...

Страница 45: ...should look similar to the typical corrected trace shown in Figure 5 5 6 If necessary select Press to Continue to update the trace 7 Determine the greatest peak to peak deviation this is any positive...

Страница 46: ...errors Also both the hardware state and the instrument state must be correct Re enter commands if necessary including the calibration kit definitions You can download class assignments and standard de...

Страница 47: ...p S12 thru 0 017 dBp p Table 5 2 Using a TRL Calibration P11644A WR 62 P band Test Measured Value Acceptable Value Pass Yes No S11 shorted 0 26 dBp p S22 shorted 0 26 dBp p S11 thru 42 dB S22 thru 42...

Страница 48: ...e should not exceed the acceptable values listed in page 5 15 4 Record the results of each test in Table 5 4 through 5 6 The S11 and S22 of a Shorted Standard Section 1 Using a IF bandwidth of 10 Hz p...

Страница 49: ...maximum value on the trace you can use a marker 6 Record the maximum value in the appropriate table on page 5 15 7 Repeat this procedure from step 3 and make an S22 measurement Record the measured val...

Страница 50: ...three measurements Remember that poor connections are the most common cause of measurement errors Also both the hardware state and the instrument state must be correct Re enter commands if necessary...

Страница 51: ...S12 thru 0 06 dBp p Table 5 5 Using a Full 2 Port Calibration P11644A WR 62 P band Test Measured Value Acceptable Value Pass Yes No S11 shorted 0 26 dBp p S22 shorted 0 26 dBp p S11 thru 37 dB S22 th...

Страница 52: ...5 16 X P and K 11644A Performance Verification System Operation Checks...

Страница 53: ...6 Troubleshooting...

Страница 54: ...ontains limited information about network analyzer system operation For complete information refer to the instrument documentation If you suspect a bad calibration or if your network analyzer does not...

Страница 55: ...s click on the title hyperlink for the document PDF you want to view If you need additional information see Contacting Keysight on page 6 4 Returning a Kit or Device to Keysight If your kit or device...

Страница 56: ...able on the Web at www keysight com find assist If you do not have access to the Internet please contact your Keysight field engineer NOTE In any correspondence or telephone conversation refer to the...

Страница 57: ...7 Replaceable Parts...

Страница 58: ...7 2 X P and K 11644A Replaceable Parts...

Страница 59: ...ration kits Table 7 4 lists the replacement part numbers for items not included in the calibration kit that are either required or recommended for successful operation of this kit To order a listed pa...

Страница 60: ...06 Hardware Alignment pin 6 11644 20024 Slip pin 6 11644 20025 8 32 pozi drive screw 0 625 in length 6 2510 0109 8 32 pozi drive screw 1 0 in length 6 2510 0115 Lock washer 12 2190 0009 8 32 hex nut 1...

Страница 61: ...X P and K 11644A 7 5 Replaceable Parts Introduction Figure 7 1 X Band Component Identification Sheet...

Страница 62: ...dware Alignment pin 6 11644 20023 Slip pin 6 11644 20025 6 32 pozi drive screw 0 875 in length 6 2360 0207 6 32 pozi drive screw 562 in length 6 2360 0229 lock washer 0 141 inch 12 2190 0007 6 32 hex...

Страница 63: ...X P and K 11644A 7 7 Replaceable Parts Introduction Figure 7 2 P Band Component Identification Sheet...

Страница 64: ...pter m 1 00281 60001 3 5 mm coax to waveguide adapter f 1 K281C Option 006 Hardware Alignment pin 6 11644 20022 Slip pin 6 11644 20027 4 40 pozi drive screw 0 750 in length 12 2200 0151 lock washer 12...

Страница 65: ...X P and K 11644A 7 9 Replaceable Parts Introduction Figure 7 3 K Band Component Identification Sheet...

Страница 66: ...nding wrist strap 1 9300 1367 5 ft grounding cord for wrist strap 1 9300 0980 2 ft by 4 ft conductive table mat with 15 ft grounding wire 1 9300 0797 ESD heel strap 1 9300 1308 Cleaning Supplies Anhyd...

Страница 67: ...A Standard Definitions...

Страница 68: ...s Web page at http na support keysight com pna caldefs stddefs html For a detailed discussion of calibration kits refer to the Keysight Application Note Specifying Calibration Standards and Kits for K...

Страница 69: ...n sheets K band 7 9 P band 7 7 X band 7 5 compressed air for cleaning 4 4 conductive table mat part number 7 10 connecting flanges 4 5 4 8 for ESD protection 4 2 7 10 waveguides 4 5 connections 4 5 co...

Страница 70: ...d 5 3 record serial number 1 4 reflect 3 5 regulations environmental 2 2 4 4 replaceable parts drawing of 7 5 7 7 7 9 K11644A WR 42 7 8 P11644A WR 62 7 6 X11644A WR 90 7 4 report calibration 5 3 requi...

Страница 71: ...e 5 2 performance 5 3 temperature 2 2 visual inspection 4 3 W warranty documentation ii waveguide connecting 4 5 wavelength shim 3 2 wavelength shim calibration definition 3 7 when to calibrate 1 5 wr...

Страница 72: ...This information is subject to change without notice Keysight Technologies 1994 2015 January 2015 11644 90371 11644 90371 www keysight com...

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