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Summary of Contents for Rohde & Schwarz R&S RT-ZISO
- Page 1 ® R&S RT-ZISO Optical Isolated Probing System User Manual Ihr Ansprechpartner / Your Partner: dataTec AG E-Mail: info@datatec.eu >>> www.datatec.eu (B4Ã02) 1804530002 Version 01...
- Page 2 ® This document describes the R&S RT-ZISO probe with following options: ● ® R&S RT-ZISO isolated probing system (1804.5000.02) ● ® R&S ZISO-B410 10 m optical fiber cable (1804.5023.02) ● ® R&S ZISO-B403 3m optical fiber cable (1804.5017.02) ● ® R&S ZISO-Z101 tip module MMCX 1.5x 45 V 50 Ω...
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Page 3: Table Of Contents
® Contents R&S RT-ZISO Contents 1 Safety and regulatory information............5 Safety instructions......................5 Labels on the product....................8 Warning messages in the documentation..............9 Where to find key documents on Rohde & Schwarz..........9 Korea certification class A................... 9 2 Product description................10 Key characteristics and key features................10 2.1.1 Key characteristics...................... - Page 4 ® Contents R&S RT-ZISO 3.3.1 Clearance requirements....................33 Functional check......................34 4 Features and characteristics of optical isolated probing systems ....................... 36 R&S ProbeMeter......................36 Offset compensation....................36 Characteristics of isolated probes................37 4.3.1 Common mode rejection ratio (CMRR).................38 4.3.2 Dynamic range and operating voltage window............. 39 Typical characteristics of the R&S RT-ZISO.............
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Page 5: Safety And Regulatory Information
® Safety and regulatory information R&S RT-ZISO Safety instructions 1 Safety and regulatory information The product documentation helps you to use the product safely and efficiently. Where do I find safety information? Safety information is part of the product documentation. It warns you of potential dan- gers and gives instructions on how to prevent personal injury or damage caused by dangerous situations. - Page 6 ® Safety and regulatory information R&S RT-ZISO Safety instructions aged or broken, stop using the product. Contact Rohde & Schwarz customer support at https://www.rohde-schwarz.com/support. In these safety instructions, the term "product" covers instruments (oscilloscopes), probes and their accessories. Choosing the operating site Only use the product indoors.
- Page 7 ® Safety and regulatory information R&S RT-ZISO Safety instructions Working with hazardous voltages Voltages higher than 30 V RMS, or 42 V peak, or 60 V DC are regarded as hazardous contact voltages. Direct contact with them can cause serious injuries. Make sure that only electrically skilled persons use the products for measurements on hazardous contact voltages.
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Page 8: Labels On The Product
® Safety and regulatory information R&S RT-ZISO Labels on the product ● 0 - Instruments without rated measurement category For measurements performed on circuits not directly connected to mains, for exam- ple, electronics, circuits powered by batteries, and specially protected secondary circuits. -
Page 9: Warning Messages In The Documentation
® Safety and regulatory information R&S RT-ZISO Korea certification class A Warning: invisible laser radiation class 4 inside Exposure to direct or reflected laser beam can damage the eyes and cause burns. Never open or disassamble the product. 1.3 Warning messages in the documentation A warning message points out a risk or danger that you need to be aware of. -
Page 10: Product Description
® Product description R&S RT-ZISO Key characteristics and key features 2 Product description The R&S RT-ZISO isolated probing system is designed for measurement challenges in high voltage and fast switching environments. The power-over-fiber architecture gal- vanically isolates the device under test (DUT) from the measurement setup for the highest common mode rejection ratio (CMRR) up to 1 GHz. -
Page 11: Key Features
® Product description R&S RT-ZISO Unpacking and checking 2.1.2 Key features R&S ProbeMeter The R&S ProbeMeter measures the DC voltage of the input signal directly at the probe tip. It provides a continuous high-precision DC voltage measurement that is independ- ent of the settings of the oscilloscope and runs in parallel to the time domain measure- ment. -
Page 12: User Documentation
® Product description R&S RT-ZISO User documentation ● Calibration certificate ● Documented calibration values (if ordered) ● Tip modules are packed separately, they are not in the carrying case: – R&S RT-ZISO-Z301 tip browser 300 V – Only with 1 GHz option: R&S RT-ZISO-Z201 tip module MMCX 300 V 2.3 User documentation The following documents explain the product and its usage: ●... -
Page 13: Supported Oscilloscopes
® Product description R&S RT-ZISO Description of the probe ● Calibration certificate The printed document is delivered with the product. ● Service manual ● Open source acknowledgment The open source acknowledgment document provides verbatim license texts of the used open source software. 2.4 Supported oscilloscopes Supported Rohde &... -
Page 14: Scope Connector Cable
® Product description R&S RT-ZISO Description of the probe Figure 2-1: Probe receiver (center) with probe head and tip module (left) and connected scope con- nector cable (right) 2.5.1 Scope connector cable The scope connector cable consists of the probe box and a multicontact cable, and connects the probe receiver with supported oscilloscopes. -
Page 15: Probe Receiver
® Product description R&S RT-ZISO Description of the probe Probe box: (1) Rohde & Schwarz probe interface with 7 mm (276 mil) coaxial connector and 6 pogo pins (2) Release knob 2.5.2 Probe receiver The probe receiver converts the optical signal into the electrical signal that is analyzed in the oscilloscope. - Page 16 ® Product description R&S RT-ZISO Description of the probe Overheating can damage the product Prevent overheating as follows: ● Keep a minimum distance of 10 cm between the fan openings of the product and any object in the vicinity to provide sufficient airflow and ventilation. ●...
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Page 17: Probe Head
® Product description R&S RT-ZISO Description of the probe 2.5.2.2 Rear and side view At the rear of the probe receiver, you connect the cables for connection to the oscillo- scope: scope connector cable or coaxial cable. The external power connector is on the left side of the receiver. -
Page 18: Tip Modules
® Product description R&S RT-ZISO Tip modules and accessories 2.5.4 Tip modules All tip modules have a special connector for easy attachment to the probe head. A lever opens and closes the locking. All available tip modules are described in Chapter 2.6, "Tip modules and accessories", on page 18. - Page 19 ® Product description R&S RT-ZISO Tip modules and accessories Table 2-2: Supplied accessories Item Quantity Description R&S ZISO-Z301 ● Browser ● Bandwidth: > 500 MHz ● Attenuation: 10:1 ● Offset range: ±300 V ● Dynamic input range: ±300 V ● Maximum rating, handheld usage: 300 V (RMS) CAT III R&S ZISO-Z201 is only delivered with 1 GHz probe system (option R&S ZISO-B910).
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Page 20: Optional Tip Modules
® Product description R&S RT-ZISO Tip modules and accessories Item Quantity Description External power supply with country-specific power cable Accessory case with foam inlay For a list of spare parts, see Chapter 5.7, "Spare parts", on page 48. 2.6.2 Optional tip modules If the delivered accessories do not meet your requirements, Rohde &... -
Page 21: Settings At The Probe Receiver Display
® Product description R&S RT-ZISO Settings at the probe receiver display Item Description R&S ZISO-Z202 ● Square pin connector 2.54 mm (100 mil) ● Bandwidth: > 1 GHz ● Attenuation: 25:1 ● Offset range: ±750 V ● Dynamic input range: ±750 V ●... -
Page 22: Unsupported Oscilloscopes
® Product description R&S RT-ZISO Settings at the probe receiver display The signal information is desribed in "Signal label" on page 23. Laser Status The color indicates the current status of the laser: ● Green: the laser is working. ● Yellow: the laser needs service, but is still working. - Page 23 ® Product description R&S RT-ZISO Settings at the probe receiver display Signal label A label similar to the signal label at Rohde & Schwarz oscilloscopes displays the cur- rent settings. 1 = Input range 2 = Offset 3 = Propagation delay 4 = Effective bandwidth 5 = Attenuation of the probe tip 6 = Coupling...
- Page 24 ® Product description R&S RT-ZISO Settings at the probe receiver display 2.7.2.3 System settings In the "System" dialog, you can: ● Run the self-alignment of the probe. ● Restore the factory settings. ● Run a display test. ● Check the state of the laser. ●...
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Page 25: Connecting The Probe
® Connecting the probe R&S RT-ZISO Connecting the probe receiver to the oscilloscope 3 Connecting the probe 3.1 Handling the probe The R&S RT-ZISO can withstand a moderate amount of physical and electrical stress. To avoid damage, treat the probe with care: ●... - Page 26 ® Connecting the probe R&S RT-ZISO Connecting the probe receiver to the oscilloscope 3.2.1.1 Connecting the probe box and the probe receiver For connection, you need the scope connector cable. 1. Make sure that the oscilloscope is properly grounded. The probe receiver is grounded by the Rohde & Schwarz probe interface through the grounding of the oscilloscope.
- Page 27 ® Connecting the probe R&S RT-ZISO Connecting the probe receiver to the oscilloscope Figure 3-1: Connecting the probe to the Rohde & Schwarz oscilloscope 5. In general, the receiver is powered via the scope connector cable. Depending on the oscilloscope used and the number of connected R&S RT-ZISO probes, an external power supply can be required.
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Page 28: Connecting The Probe To An Unsupported Oscilloscope
® Connecting the probe R&S RT-ZISO Connecting the probe receiver to the oscilloscope 1. Disconnect the probe from the DUT as described in "To disconnect the probe from the DUT" on page 32. 2. Disconnect the probe box: a) Press and hold the release button (3 in Figure 3-1). - Page 29 ® Connecting the probe R&S RT-ZISO Connecting the probe receiver to the oscilloscope 3.2.2.2 Setting up the probe You adjust all probe settings at the probe receiver display. Because the probe settings are not transmitted to the oscilloscope, some adjustments at the oscilloscope are required.
- Page 30 ® Connecting the probe R&S RT-ZISO Connecting the probe receiver to the oscilloscope ● To set a value, select "Menu" > "Range". Select the input voltage. To set up the oscilloscope 1. Set the probe attenuation to the value that is shown on the probe receiver. See "Signal label"...
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Page 31: Connecting The Probe To The Dut
® Connecting the probe R&S RT-ZISO Connecting the probe to the DUT 3.3 Connecting the probe to the DUT To establish the connection to the DUT, you connect one of the tip modules to the probe head and to the DUT. The probe head, tip module and DUT can be the floating part of the measurement setup. - Page 32 ® Connecting the probe R&S RT-ZISO Connecting the probe to the DUT 5. WARNING! When working on hazardous voltages, touch only the safe area of the tip module during a measurement. Do not touch exposed connections and compo- nents of the test circuit. NOTICE! Connect the coaxial (common) shield of the tip module always to the low impedance section of the circuit.
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Page 33: Clearance Requirements
® Connecting the probe R&S RT-ZISO Connecting the probe to the DUT 4. Disconnect the probe receiver from the oscilloscope. Disconnection from the mea- suring instrument is always the last step to ensure proper grounding of the receiver during the complete measurement process. 3.3.1 Clearance requirements The floating section of the R&S RT-ZISO optical isolated probing system is safely isola- ted from the grounded section. -
Page 34: Functional Check
® Connecting the probe R&S RT-ZISO Functional check Figure 3-4: RF burn hazard zone around the probe head 3.4 Functional check The functional check confirms the basic operation of the R&S RT-ZISO optical isolated probing system. The functional check is not suitable for verifying compliance with the probe specifications. - Page 35 ® Connecting the probe R&S RT-ZISO Functional check Functional check with unsupported oscilloscope 1. Connect the R&S RT-ZISO to the oscilloscope as described in Chapter 3.2.2, "Connecting the probe to an unsupported oscilloscope", on page 28. 2. Press the [Preset] key at the oscilloscope. 3.
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Page 36: Features And Characteristics Of Optical Isolated Probing Systems
® Features and characteristics of optical isolated probing systems R&S RT-ZISO Offset compensation 4 Features and characteristics of optical isola- ted probing systems 4.1 R&S ProbeMeter The R&S ProbeMeter is an integrated voltmeter that measures DC voltages with higher precision compared to the oscilloscope's DC accuracy. The DC voltage is measured continuously and runs parallel to the time domain measurement of the oscilloscope. -
Page 37: Characteristics Of Isolated Probes
® Features and characteristics of optical isolated probing systems R&S RT-ZISO Characteristics of isolated probes Figure 4-1: Offset compensation voltage for R&S RT-ZISO without tip module There are several ways to set the offset compensation: ● If you use a supported oscilloscope: –... -
Page 38: Common Mode Rejection Ratio (Cmrr)
® Features and characteristics of optical isolated probing systems R&S RT-ZISO Characteristics of isolated probes Voltage between the signal socket and the common shield socket ● Common mode input voltage (V Mean voltage of the signal socket and the common shield socket referred to the ground The output voltage V , which is displayed on the oscilloscope, is obtained by superim-... -
Page 39: Dynamic Range And Operating Voltage Window
® Features and characteristics of optical isolated probing systems R&S RT-ZISO Characteristics of isolated probes 4.3.2 Dynamic range and operating voltage window Two separate specifications are necessary to characterize the permissible input volt- age range of an isolated probe: ● The dynamic range designates the maximum differential voltage V that can occur between the signal socket and common shield socket. -
Page 40: Typical Characteristics Of The R&S Rt-Ziso
® Features and characteristics of optical isolated probing systems R&S RT-ZISO Typical characteristics of the R&S RT-ZISO Figure 4-4: Signal curves R&S RT-ZISO with R&S ZISO-Z203 a) = Two signals of ±1500 V and opposing phase are applied to signal and common shield inputs. At the peaks, the probe is driven with an input voltage of ±3000 V between the signal and common shield socket. -
Page 41: Bandwidth
® Features and characteristics of optical isolated probing systems R&S RT-ZISO Typical characteristics of the R&S RT-ZISO ● Low loading of the input signal: Every probe is a load for the signal to be measured. This means that the signal to be measured changes when the probe is connected. -
Page 42: Step Response
® Features and characteristics of optical isolated probing systems R&S RT-ZISO Typical characteristics of the R&S RT-ZISO Figure 4-6: Probe gain of the R&S RT-ZISO with R&S ZISO-Z202, R&S ZISO-Z203, R&S ZISO-Z301 and R&S ZISO-Z302 The bandwidth: ● Specifies the maximum frequency at which a purely sinusoidal signal is still trans- ferred at 70 % (–3 dB) of its amplitude. - Page 43 ® Features and characteristics of optical isolated probing systems R&S RT-ZISO Typical characteristics of the R&S RT-ZISO Figure 4-7: Step response of the R&S RT-ZISO with SMA input, R&S ZISO-Z101 and R&S ZISO-Z201 Figure 4-8: Step response of the R&S RT-ZISO with R&S ZISO-Z202, R&S ZISO-Z203, R&S ZISO-Z301 and R&S ZISO-Z302 The behavior of all R&S RT-ZISO-Zxxx is similar for more than 10 ns after a step.
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Page 44: Cmrr
® Features and characteristics of optical isolated probing systems R&S RT-ZISO Typical characteristics of the R&S RT-ZISO 4.4.3 CMRR The CMRR is good for low-frequency signals, but it continuously decreases for higher frequencies. Therefore, the CMRR is usually specified as a function of frequency. The figure below shows a typical CMRR for an optical isolated probing system with dif- ferent tip modules. - Page 45 ® Features and characteristics of optical isolated probing systems R&S RT-ZISO Typical characteristics of the R&S RT-ZISO Figure 4-10: Magnitude of the input impedance as a function of frequency User Manual 1804.5300.02 ─ 01...
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Page 46: Maintenance And Service
® Maintenance and service R&S RT-ZISO Service interval 5 Maintenance and service Like all Rohde & Schwarz products, Rohde & Schwarz probes and adapters are of high quality and require only minimum service and repair. However, if service or calibration is needed, contact your Rohde &... -
Page 47: Calibration Interval
® Maintenance and service R&S RT-ZISO Returning for servicing 5.4 Calibration interval The recommended calibration interval for R&S RT-ZISO optical isolated probing sys- tem is two years. For servicing, send the probe to your nearest Rohde & Schwarz ser- vice center (see Chapter 5.6, "Returning for servicing", on page 47). -
Page 48: Spare Parts
® Maintenance and service R&S RT-ZISO Spare parts 5. Address the package to your nearest Rohde & Schwarz service center. 5.7 Spare parts You can order the following items and accessories using the "Spare Part Request" form at the Rohde & Schwarz Service and Support Request portal. - Page 49 ® Maintenance and service R&S RT-ZISO Spare parts Pos. Item Description Order number Coax cable SMA_M-SMA_M 1m 1804.4927.00 Scope connector cable 1803.3491.02 GST40A12-P1J Power supply 40W 12V 3644.1042.00 Adapter SMA jack BNC plug 1316.0762.00 ZISO-Z101 Tip MMCX 1.5X 45V 50OHM 1803.4100.02 User Manual 1804.5300.02 ─...
- Page 50 ® Maintenance and service R&S RT-ZISO Spare parts Pos. Item Description Order number ZISO-Z201 Tip MMCX 10X 300V 10MΩ 1803.4200.02 ZISO-Z202 Tip SQPIN 25X 750V 10MΩ 1803.4300.02 ZISO-Z203 Tip WSQPIN 100X 3KV 40MΩ 1803.4400.02 ZISO-Z301 Tip browser 10X 300V 10MΩ 1803.4500.02 ZISO-Z302 Tip browser 100X 3KV 100MΩ...
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Page 51: Disposal
® Maintenance and service R&S RT-ZISO Disposal Pos. Item Description Order number Signal pin fix, angular 1804.5375.00 Accessory for: ● ZISO-Z202 Tip SQPIN 25X 750V 10MΩ ● ZISO-Z203 Tip WSQPIN 100X 3KV 40MΩ Ground pin, spring loaded 1804.5398.00 Accessory for: ●...
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