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Rohde & Schwarz 395.0512.02, Manual

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Data sheet

The voltage sensors of the ¸URV5-Z 
series are indispensable tools in RF and 
microwave laboratories, test departments 
and service. They cover a frequency 
range from 9 kHz to 3 GHz and thus close 
the gap between low-frequency voltage 
measurements and microwave power 
measurements.

Consequently they may be used for the 

following measurements:

◆

High-impedance DC and AC voltage 
measurements in non-coaxial circuits

◆

Level measurements in 50 

:

 lines

◆

Terminated power measurements 

Voltage sensors are the right tools for 
everyday use. They permit the measure-
ment of voltages from 200

Π

V to 1000 V 

and of powers from 1 nW (

#

60 dBm) up to 

200 W (

$

53 dBm). 

Voltage Sensors ¸URV5-Z

Universal voltage measurements from RF to microwaves

Version

05.00

May

2005

Summary of Contents for 395.0512.02

Page 1: ...nsertion Unit URV5 Z4 395 1 619 04 55 56 76 Printed in the Federal Republic of Germany 395 0512 1 5 1 n bı ıosascı ıwAnz Measuring Instruments and Systems Division Manual DC Probe URV5 21 395 0S12 02 RF Probe URV5 Z7 395 2615 02 03 10 V Insertion Unit URV5 Z2 395 1019 04 55 56 100 V Insertion Unit URV5 Z4 395 1619 04 55 56 76 Prıntedin the Federal Republicof Germany 395 0512 02 1 E 1 ...

Page 2: ......

Page 3: ...o o ı ı o o o ı ı ı o o o ı o o o o o o o o o o ı o o ı o ı o o o o ı o o ı 2 3 2 2 AC Probes o o o o ı o o o o ı o ı o o ı o o o o o ı o o ı ı o ı o o o o o o ı ı ı o o ı 0 2 3 2 2 1 General Remarks on RF Measurements and RF Probes 2 3 2 2 2 RF Probe g g g Q Q Q Q Q Q Q Q O Q Q Q Q Q Q Q Q Q Q Q O O O Q Q Q Q 2 3 2 2 3 RF Insertion Units Impedance Values RCL INP Key 2 3 6 PBAK PEP Key 0 0 0 0 0 0...

Page 4: ... o o ı o o o Q Q Q o o o o o o o o o o o Required Measuring Equipment and Accessories Checking the Rated Specifications checking the Measurement Accuracy ı o o o o o o ı o o o o o ı o o o ı o o o ı o o o o Checking the Frequency Response of RF Probes 3 29 Reflection 3 30 3 27 3 27 3 27 3 27 3 28 Test Setup for Measurement of 0 ı o o o o o o ı o o o o o ı ı o o o o o o o o o o ı o ı ı ı ı ı o o o ı...

Page 5: ...s URV5 Z Universal voltage measurements from RF to microwaves Version 05 00 May 2005 Data sheet Version 05 00 Voltage Sensors R S URV5 Z Universal voltage measurements from RF to microwaves The voltage sensors of the R S URV5 Z series are indispensable tools in RF and microwave laboratories test departments and service They cover a frequency range from 9 kHzto 3 GHz and thus close the gap between ...

Page 6: ...load voltage measurement with the RF Probe URV5 Z7 General General T_ r _ r Ia r _ 1 _ low load voltage measurement with the RFProhe R850UHV5 Z7 Sensors R S URV5 Z7 RF Probe 0395 2615 02 200 pV to 10 1000 V 20 kHz to 1 GHz R S URV Z6 Accessory Set 0292 5364 02 20 40 dB plug on dividers and 50 Q BNC adapter for RF probe R S URV Z50 50 Q Adapter 0394 9816 50 for power measurements with HF probe at 5...

Page 7: ...nel power meter similar to the URV 55 All sensors are suitable Fourtypes of meters are available for volt age and power measurements Meters R S URV35 compact voltmeter and power meter for use in service testshops and labs unique combination of analog and digital display in theform of moving coil meter plus LCD Many measurement functions display in all standard units choice of battery orAC supply o...

Page 8: ... on divider c with 40 dB plug on divider The RF Probe URV5 Z7 200 µV to 10 1000 V 20 kHz to 1 GHz RF Probe R S URV5 Z7 The RF probe is a universal tool for mea suring RF voltages The low input capaci tance of 2 5 pF makes it virtually non loaded and ideally suitable for measure ments on non coaxial circuits up to 500 MHZ oruptol GHz when appropriate accessories are used A plug on divider extends t...

Page 9: ...in each probe 20 40 dB plug on dividers and BNC adapter URV Z50 50 20 kHz to 1 GHz 1 nW to 2 W URV Z3 75 20 kHz to 500 MHz 0 5 nW to 1 3 W Accessories for RF probe Accessory Set R S URV Zö 20 dB and 40 dB plug on dividers for extending the voltage measurement range and reducing the input capacitance to 100 V l pF or 1000 V 0 5 pF BNC adapter for level measurements in 50 Q coaxial lines see also In...

Page 10: ... Z4 2 mV to 100 V 100 kHz to 3 GHz Insertion Units R S URV5 Z2 and R S URV5 Z4 The Insertion Units R S URV5 22 and R S UFlV5 Z4 are used for uninterrupted level measurements between source and load and for terminated power measure ments Due to theirwide frequency range they are ideal especially for the measure ment of EMC test levels as well as many general purpose applications Compared to the ter...

Page 11: ...but with 2 92 mm connector for measurements up to 40 GHz Power sensors Power sensors of the R S NRV Z series listed in the table below are available for further applications For more detailed information refer to the R S NRV Z data sheet PD 0758224832 R S NRV Z1 Diode Power Sensor 50 2 Power measurements of highest sensitivity up to 18 GHz in 50 2 systems 0828 3018 02 10 MHz to 18 GHz 200 pW to 20...

Page 12: ...10 1 6 1 9 ρ20 1 6 1 9 ρ20 0 2 2 3 0 29 3 3 0 66 7 3 1 0 12 200 ΠV to 1 V 1 2 14 1 V to 10 V 15V rms f GHz ε 150V rms f GHz ε Specifications Frequency range Voltage measurement Power Ilevel EWH reflection coefficient max hrs loss in Impedance range measurement dB max con Max rating range RF Probe 20 kHz to 500 MHz5I 200 pv to 10 v 1 nW to 2 w BNC R S URV5 Z7 2 5 pF I I 80 kQ 15 V rms 60 33 dBm female...

Page 13: ...oltage measurement range Measurement uncertainty9 DC Probe URV5 Z1 1 mV to 100 V 100 V to 400 V ρ0 013 ρ0 15 ρ0 030 ρ0 35 Type Frequency range Without frequency response correction9 With frequency response correction10 With 75 Q Adapter H S URV Z313 20 kHz to 50 kHZ 50 kHZ to 100 kHZ 100 kHZ to 200 kHZ 0 2 MHZ to 32 MHZ 32 MHZ to 100 MHZ 100 MHZ to 200 MHZ 200 MHZ to 500 MHZ Measurement uncertaint...

Page 14: ...pe plates of older sensors are to be regarded as the maximum possible physical rating V rms 210V f GHz δ 25 252 551 E 3 5 3 Applies to 10 MHz For impedance at higher frequencies see SWR diagram on page 4 Not with BNC adapter Up to 40 MHz fl TIS T f W2 appliesathigherfrequencres With BNC adapter 50 2 Maximum power limited by losses in the adapter Upper limit frequency depending on adapterand source ...

Page 15: ...W 2 ΠW 10 ΠW 50 ΠW 200 ΠW RF probe with 40 dB plug on divider 20 mV 50 mV 100 mV 200 mV 500 mV 1 V 20 dBm 13 dBm 7 dBm 0 dBm 7 dBm 13 dBm 10 ΠW 50 ΠW 200 ΠW 1 mW 5 mW 20 mW Zero offset and display noise relevant with small voltages powers only DC probe zero offset i0 5 mV display noise negligible All other probes see diagram For display noise of the Level Meter R S URV35 see relevant specification...

Page 16: ...S REG NO 1954 UM More information at www rohde schwarz com search term URV5 Z Specifications Ordering information Operating temperature range 0 C to 50 C HF Probe with case R S UHV5 Z7 0395261502 v round cable round Storage temperature range 40 C to 70 C Sleeve and strif hook Permissible humidity max 80 without condensation 80d solder tip ibration sinusoidal 5 Hz to 55 Hz max 2 g 55 Hz to 150 Hz DC...

Page 17: ... the information required for the operating and main tenance of the URVS measuring heads 2 Notes on Operation DC probe URV5 21 RF probe IJRV5 27 10 v Insertion Unit URV5 Z2 as weil as 100 v Insertion Unit URV5 24 can also be used for Power Meter NRV The respective pages of the URV5 manual to gether Voith the NRV manual Supply the User of the HRV Power Me ter Voith all the Information required for ...

Page 18: ......

Page 19: ...db Bask on Pig 2 3 Equivalent circuit diagram of DC probe 394 8010 02 2 9 3 2 2 3 2 probes The probes are inserted into the openings 18 A er B tog ether witz the plug in adapters Correct InsertioN Of the probes ıs re cognized by the URV5 both in manual and in remote control mode but it is recommended to insert the probes in manual Mode only In remote mode Voith correspondingly adjusted interf ace ...

Page 20: ... 2 3 8 The ZERo PEAK and PRO CORR keys are disabled in case of DC measurement 394 8010 02 2 10 E Z The maximum voltage for the DC probe is 400 v Care should be taken that the probe is always referred to Chassis ground i e not floatíng Reference potential is always the chassís ground An essential load 6 pF cuits Advantage of This DC probe is the low capacitive Thus DC measurements are also possible...

Page 21: ...on RP Heasurements a d RP Probes 1 Nhveform weightíng The URV5 reads out the uns Value of sinewave voltages of any magnitude as lang as they are mithin the measurement Range of the Instrument Voith Other waveforms however the weighting is dependent on the magnitude of the voltage to be measured since a diode detector has a Square law response only at low voltages up to about 30 mV and therefore me...

Page 22: ... or that it is considered in the evaluation of the measurement result 394 8010 02 2 12 3 1 Voith test voltages above 1 v above 10 v using 20 dB divider er 100 v Insertion Unit above 100 v u sing 40 dB divider the diode detector acts a a peak responding rectifier Since a full wave rectifier is incorporated in the peak to peak Value is measured but the Value zvë is indica ted For sinewave voltages t...

Page 23: ... probe can also be inserted into the adapter with plugged on divider b In the Case of measurements on Signal sources that are not referred to safety ground interfering voltages may be caused by ground equalizing currentis which arm added so the test voltage and thus also enten into the test result This is particularly the Case Voith poor plug in and screw connections in the test line Fig 2 5 ı ı ê...

Page 24: ...robe 394 8010 02 2 14 3 1 When u sing the 40 dB divider frequency Range 1 to 500 MHZ ı the maximum measurable voltage is only limited by the permıssıble voltage vp 500 V and the power handling capacity of the BNC Connector Cable Table 2 1 Shows the power handling capacity of BNC cables and the voltages calculated fror it as a function of frequency Table 2 1 f MH ı 1 10 I 410 143 100 130 81 200 82 ...

Page 25: ...g on the FRQ CORR function this correction is only valid to a limited extent 394 8010 02 2 15 3 2 Table 2 2 Overview of characteristic data of RF prooe As of available divíders a d adapters as weıı Frequency Range Voltage Range Input impedance Cin shunted by R 20 kHz so 1 GHz 1 MHz to 500 MHz 0 5 MHz so 500 MHz 100 MHz 20 kHz to 500 MHz 20 kHz sO 1 GHz 200 UV tO 10 V 2 mV tO 100 V 20 mV to 210 v 1...

Page 26: ... frequency and switching on the FRQ CORR function see section 2 3 5 4 PRO CORR 394 8010 02 2 16 3 2 2 3 2 2 3 R Inaercıon unıtı Three Insertion Units Voith a characteristic impedance of 50 so er 75 so are available for the URV5 They are suitable for voltage measurements up to 10 v er 100 v The attenuation factor of 100 v Insertion Units is automatically taken into account by URV5 and therefore nee...

Page 27: ......

Page 28: ...or dual channel operation the indicated measurement times are twice as long 395 0512 02 2 26 3 1 2 3 6 kam psp Key l The URV5 can measure the peak Value of a modulated AC voltage present at the probe The measured Value is read out as an ums Value The abbreviation PEP peak envelope power is used in transmit ter measurements and Stands for the true power during one period of the carrier Signal at th...

Page 29: ...The values given in parenthesis apply to 100 V insertion units 394 8010 02 2 27 3 3 Generally the following instructions observed for this measurement mode and restríctíons must be ı z I l I I I i ı T r i ı I Park value Meter Diode characteristic Probe Fig 2 7 Equívalent circuit díagram for peak value measurement As show in Fig 2 7 the Internal Resistance Rin of the measu ring head diode forms in ...

Page 30: ...fference from the PEAR PEP measurement 394 801o oz 2 28 2 2 2 Hodulated RF voltagesz Ar i ı a n 4 K U ut Iı_ i zmax 1 ı 1 j _ ı I ı T 1 2 p J ı1 ı 2ut I Il ıı l l l ı ı ı I I 1 I J I I ı I I 1 I I 1 I I I l l I I _ l 1 ı I I 1 ı I I I I I I _I 0 4 ıJ 7HoduliIion ı I Fig 2 8 Amplitude modulated RF voltage PBAK PEP measurement 100 Hz The PEAK PEP measurement Can always be carríed out up modulation f...

Page 31: ...apply to tp T The error decreases as tp r 394 8010 02 2 29 3 Note for pulse modulation er I L T _ _ l ı ı _ ı ı ı ı l I ııı C I ı ı I I I I _ I ıın I ı ı ı ı ı ı I _ 1 _ Pur 22 RF r I t I Fig 2 9 Pulse modulated RF voltage The typical measuring error of pulse modulated RF room temperature can be taken fror Fig 2 10 The apply to tp T The error decreases as tp T voltages at curves show 394 8010 02 2...

Page 32: ...4 z7 as a function of the readout value 394 8010 02 2 30 I2 Fılılırlılß Error Errıur 1 0 5 0 2 0 1 o os I ı q l In I I I K ı ı Ü I _ ıııı I I I ı ı 1 ı L Zzı 27 zu so v Zoo v 1 v so v 0 1 v o o oıı 1 v o o ı v so 20 so 100 zog sog ıooo mo tplps Weíghtíng error of PEAK PEP measurements for pulse modulated RF Voith the use of URV5 Z2 Z4 Z7 as a function of the readout Value 394 8010 02 2 30 E 3 ...

Page 33: ... Channel A B URVS z7 Readout v Filter F2 Autorange on 394 8010 02 3 13 3 2 3 2 er Probe URVS Z7 3 2 1 Required Heasurinq Equipment a d Accessories Ref no IllIIhııı 1 lıııllillıiııb llııııılllııı __ 1 Designation Required specification R S Type For use See section 1 1 AC calibrator uv tO 10 v 0 1 kl Iz 200 200 3 2 2 1 2 Sinewave waveform generator 10 MHz v sinewave 1 1 d 3 2 2 2 3 20 dB dívider for...

Page 34: ...ue and the readout then be switched to x REF for the measurement with divider 394 so1o 02 3 14 3 2 Settings on AC calibratorz 0 2 mV 10 Hz Wich this calibrator Setting zero adjustment is triggered if the RF probe is connected Due to the low frequency 0 2 mV is not considered only the residual is measured und eliminated like an Offset error the voltage of interferíng voltage After the Zero adjustme...

Page 35: ...0 V 9 897 10 103 V 2 Checking 3 2 2 2 0 0890 0 1110 x REF the input capacitance 394 301o oz 3 15 E 2 3 2 3 Performance Test Report R S RF Probe 0RV5 Z7 Ident No 395 2615 02 Seri al No Date Name Ref NO I 1 ı I ı ı Characteristic Measured Min Actual to section Max Unit 1 Checking the linearity Zero adjustment 0 2 mV 3 mV 10 mV 30 mV 100 mV 200 kHz 0 3 V 1 v 3 v 10 V 3 2 2 1 0 155 2 962 9 897 29 67 9...

Page 36: ...esidual interfering voltage is measured and eliminated like an offset error 394 8010 02 3 16 3 2 3 3 ıo v Insertion Unit so Q URVS I2 3 3 1 Required Heasurinq Equipment a d Accessories ı ı Ref No 1 I Designation Required specifications ı 88 Type For use See section 3 3 2 1 1 AC calibrator 200 uv to 10 v 0 1 100 kHz 2 3 3 2 1 Basic Unit URV5 3 Reflection coefficient test Set GH 46 dB 100 HH to 2 Di...

Page 37: ...n 3 8 It contains the R S VSWR Bridge ZRBZ and a URVS with two RF probes 394 8010 02 3 17 E Z 0 2 my 3 my 10 my 30 my 100 mV 0 3 V 1 V 3 V 10 V After the zero adjustment the frequency is Set to 100 kHz and the Output voltage measured at the following Values The perıuissible tolerances are specified in the performance test report Please carry out the measurements in the stated se quence After measu...

Page 38: ... 00 00 2 1 GHZ oooooo 7 1 6 GHZ too 10 2 0 GB oooooo 15 Note measurement error 394 8010 02 3 18 3 2 3 3 3 Performance Test Report Nas 10 V Insertion Unit 50 n Ident No 395 1019 55 Ser a No o o ı o o ı o o o ı o URV5 Z2 Date Name ı Ref No Ilıılılııllllb ı ı I I Characteristic O Measured to section ı Min Actual Max Unit 1 Checking the linearíty Zero adjustment 0 2 mV 3 mV 10 mV 30 mV 100 mV 100 kHz ...

Page 39: ...et 4 50 3 VSWR 1 01 3 4 2 2 termination up to 2 GHz N male 3 19 E 2 394 8010 02 3 4 1o0 v Insertion Orbit 50 a HRV5 24 3 4 1 Required Heasutinq Equipment a d Accessories ı In In Ref No llııııihiııμ ıııılIIIIllııı ı Designation ı Required specifications 85 Type For use See section 1 AC calibrator 1 MHz 200 kHz 2 mV to 10 V 0 3 100 V 0 1 3 4 2 1 2 Basic Unit URV5 3 4 2 1 3 Reflection coefficient Tes...

Page 40: ...insertion unit requires a certain recovery time before low levels can be measured again 3 4 2 Checkinq the Rated Specifications 3 4 2 1 Checkinq the Linearity In the following test the Output voltage of an AC calibrator is measured Voith the a d of the 100 V Insertion Unit fror 2 mV to 10 v at 1 MH and Voith 100 v at a frequency of 200 kHz Fig 3 2 The relatively low frequency of 200 kHz in the las...

Page 41: ...on 3 8 It contains the R S VSWR Bridge ZRBZ and a URVS with two RF probes 394 8010 02 3 21 3 2 3 4 2 2 Checkinq the Reflection Coefficient Linearity and reflection coefficient are characteristic dat a of the 100 v Insertion Unit If both are mithin the sgecificatıons the frequency response will also be weithin the specified toleran ces Measurement of the reflection coefficient of the 100 V insert o...

Page 42: ...0000 1 8 500 MHZ 00 000 1 1 GHZ coo 2 1 6 Gflz 0000 3 8 20 GHZ coo 3 Note measurement error 394 8010 02 3 22 3 2 3 4 3 Performance lest Report Nas 100 V Insertion Unit 50 Ident No 395 1619 55 Seri al No Q URV5 Z4 Date Name ı Ref no ı ı ı ı ı l i ı ı ı ı ı l ı ı q Characteristic Min Actual Measured sO section Max Unit 1 ı Checking the linearity 1 MHz Zero adjustment 2 my 30 mV 100 mV 0 3 v 1 v 3 v 1...

Page 43: ...6 68 test set 4 75 9 VSWR 1 01 3 5 2 2 termination up to 2 GHz N male 3 5 100 V Insertion Orbit 75 Q ORVS Z4 3 5 1 Required Heasurinq Equipment a d Accessories ı Ref NO 1111111111111111111111 liııiııııııı Iı Designation Required specifications Ras Type For use See section 1 AC calibrator 2 mV 1 MHz 200 kHz so 10 V 0 3 100 V 0 1 3 5 2 1 2 Basic Unit URV5 3 5 2 1 3 Reflection coefficient test Set dB...

Page 44: ...it requires a certain recovery time before low levels can be measured again 394 8010 02 3 24 3 2 3 5 2 Checking the Raten Specifications 3 5 2 1 Checkinq the Linearíty In the following Test the Output voltage of an AC calibrator es measured Voith the a d of the 100 V Insertion Unit fror 2 mV to 10 v at 1 MH and Voith 100 v at a frequency of 200 kHz Fig 3 2 The relatively low frequency of 200 kHz i...

Page 45: ...t of the 100 V insertion unit can only be checked for frequencies above 1 GHz 394 301o oz 3 25 3 2 3 5 2 2 Checking the Reflection Goefficient Linearíty are and reflection coefficient characteristic data of tue 100 V Insertion Unit If both are weithin the sgecifications the frequency response will also be weithin the specified toleran ces Measurement of the reflection coefficient of the 100 V Inse...

Page 46: ...HZ 0000 105 g 500 MHZ i oooooo 2 1 GHZ 00 0 3 g 1 6 GH one 5 2 0 Ga 5 5 Note measurement_errorl 394 8010 02 3 26 8 2 3 5 3 Perforıınce Test Report RSS 100 V Insertion Unit 75 Ident No 395 1619 75 Seri al No n URV5 Z4 Date Name Ref NO I I I Characteristic Measured to section Hin Actual Max Unit 1 Checking the linearity 1 HH V Zero adjustment 2 mV 30 mV 100 mV 0 3 V 1 v 3 v 10 v 100 V 200 kHz ı 3 5 ...

Page 47: ... 01 The permissible tolerances are specified in the performance test report 394 8010 02 3 27 3 2 3 6 ne Probe uızvs zı 3 6 1 Required Heasurinq Equipment and Accessories ı q Ref No 1 Designation R S Type Required specifications For use See section 1 DC calibrator 1 v tO 400 v 0 01 ı 3 6 2 1 2 Basic Unit URV5 3 6 2 1 3 6 2 Checkinq the Rated Specifícations 3 6 2 1 Checkínq the Measurement Accuraey ...

Page 48: ...0 9970 0000 1ooo3o V 10 v 9 974 10 026 v 100 v 99074 0 0 100026 v 400 v 397 9 402 1 V 394 8010 02 3 28 3 2 3 6 3 Performance Rest Report R88 DC probe URV5 Z1 Ident No 395 0512 02 Seri al No Date Name Ref No Characteristic Measured to section Hin Actual Max Unit 1 Checking the measurement accuracy 0 v 1 V 1 v 10 v 100 v 400 v 3 6 2 1 1 0 0005 0 9970 0 9970 9 974 99 74 397 9 I ı ı 0 0005 1 0030 1 00...

Page 49: ...mVrms 300 mvrms for the 100 V insertion units this effect can be neglected 394 8010 02 3 29 8 3 3 7 Checking The Frequenz Response of er probes Due to the narrow tolerances of the RF probes frequency response measurements are extremely difficult and should therefore only be carried out Voith suitable test Sets Similar to power meters all RF probes are calíbrated to Value of the voltage correspondi...

Page 50: ...F2 I F2 Attenuation correction 13 dB Relative readout AEXT X REF AdB 394 ao1o 02 3 30 3 2 3 8 Test Setup for easutenent of Reflection Coeffieient The URVS a d to form an T Q flection coefficients in frequency 10 to 2 GHz Fig 3 6 Due to bridge 46 dB the measurement error for low reflectíon coefficients is only 0 5 10 of rdg The t est Setup is therefore suitable for checking the reflection coefficie...

Page 51: ...AC measurement accuracy 394 8010 02 3 31 3 2 OUTPUT SENSE ru IJ L0 g _ ı DE cılibrıtor I I l I I l_ l OE Probe URV5 Z1 I 7 Ø _ URVS Basic Unit Vnuıl 00V Fig 3 1 Checking the DC measurement accuracy I Output SIMS ı r HI ı ı Lo _ ı I J ı ı ı ı I a l er rI I I l IIn I ı ass fı p I I L IIov AE alibrıtcr ı hsıfliın da uııvs 22 URVS Z6 7 2Ü IJRVS Hai Uni 0 I iL BSC ıdııım RF PIWÜI uRVS 27 Vn _ Nov v IÜÜV...

Page 52: ...the input capacitance 394 8010 02 3 32 3 2 1 r r 1 4 7 u l U ı I ı I I I i ı Hıvıforıı gınırıtor 100kI I2 HIM llL ontinous Signal Isiıııuavıl es 10m5 Bumst lsinıuıvıl Insertion Unit uııvs zz BNC Adapter RF Prıbc URVS Z7 ø Ü URVS Basic Unit 1 x Fig 3 3 Checking the PEAK PEP function BNC ıdıptır I I oıxiıl Cable Son n IJ Sinıuıve Generator Wrıııs 1OHH2 x ı I 1 ıır ı p v ı ı d le A s _ ı 20 2 20 aß d...

Page 53: ...unit Fig 3 5 Connectibn of RF probes for frequency response measurements 394 8010 02 3 33 l ı I 2 i I URVS bısic Unit somvsm P RF Probe unvs zl1 wich S0 Q Adapter URV 250 75 D Adapter URV 23 l ı Insertion Unit _7ermination S00 759 IJRVS Z2 URV5 Z4 ı I Termination S09 flfl BNC Adapter Adapter steve Divider 20 ı 0d5 _ _ I I _ J RF Probe URV5 Z7 Voith BNC adapler lrighfl RF ProbeURV5 27 wich divider 20d...

Page 54: ...n Fig 3 6 Test setup for measurement of reflection coefficient 394 co1o oz 3 34 â a ı ıı URVS Basic Unit o ı svrıv Gtııtnıtøn so ıoo v Nırtbn mit URVS ll VSHR Bridge znaıum so _ I I I I ı l ı I I Tırııinıtıd Unit NRV Z1 er 10 V hsırlion Unit URVS Z7 wich S0 R tırıninıtion 11 7 item Fig 3 6 Test Setup for measurement of reflectíon coeffícíent 394 8010 02 3 34 E 3 ...

Page 55: ...illiseconds N503 2 in order to minimize errors caused by selfheating 394 801o oz 4 7 3 3 4 1 5 easuring Heads See Fig 4 1 and circuit diagrams 395 0512 S 395 26B0 S 395 1019 S and 395 1619 S The 12 way Connector of each measuring head container a data memo ry in which all characteristics and correction Values required for the measurement are stored The data are read out either when the Instrument ...

Page 56: ...ion resistor as input resi stance for the inverting amplifier 20 394 8010 02 4 8 3 3 4 1 5 1 1 20 40 dB Dividerı The dividers trat Can be plugged onto the probe conjunction Voith the Input capacitance of the probe divider Due to the greater base can already be used at 500 kHz whereas only be used at 1 MH and above The used for measuring high voltages er for load capacitance divider is 0 s pF only ...

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