SOP measure cable loss using network analyser

SOP measure cable loss
using Network Analyzer
Michael ( 丁丁丁 )
2021/02/02


I. Setting Network Analyzer

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 Select “Preset”, then select “OK” to reset the device

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I. Setting Network Analyzer

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 On “Display” select “Allocate traces”  “x4”  “Num of Traces”  “4”
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I. Setting Network Analyzer
S11

S12

 Return > Measurement > S11 > S12 > S21 > S22 as above picture

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S21

S22


I. Setting Network Analyzer
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 Select “Start” , “Stop” to choose the range of frequency. Ex: Start 2G, stop 6G
 Select “point”  “1601”

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I. Setting Network Analyzer

 Select “Cal Kit” then confirm the Calibration Kit type as if correct. For example: 85033E

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II. Cable loss the Network Analyzer
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 Select “Calibration”, then select “Calibrate”, choose “2-Port Cal”

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II. Cable loss the Network Analyzer

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 Select “Reflection”,  choose “port 1 Open”
 Connect RF cable from Port1 to “O” of Calibration kit as picture,
then click “Open”

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II. Cable loss the Network Analyzer

 Select “Port1 Short” then connect RF cable to “S” of calibration kit, select “Short”
 Select “Port1 Load” then connect RF cable to “L” of calibration kit, select “Broadband”

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II. Cable loss the Network Analyzer

 Connect RF cable from Port2 the connect with calibration kit the same do with
Port1

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II. Cable loss the Network Analyzer

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 Select “Transmission”, connect RF cable of port1 with
RF cable of port2 then choose “Thru”

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II. Cable loss the Network Analyzer

 Select “Done” to finish cable loss the device

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III. Cable loss the RF cable

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 Connect RF cable which want to measure loss on 2 ports of device
 Select “Marker 1”, “Marker 2”…to select the frequency
 After choose frequency finish, look on screen to see the calibration value on location 20
 Record the cable loss value for file setting
 Note: The values at location

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19 21 should be small than “-20”

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