ROHDE & SCHWARZ NRP Datasheet

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ROHDE & SCHWARZ NRP Datasheet Test Equipment Solutions Datasheet Test Equipment Solutions Ltd specialise in the second user sale, rental and distribution of quality test & measurement (T&M) equipment. We stock all major equipment types such as spectrum analyzers, signal generators, oscilloscopes, power meters, logic analysers etc from all the major suppliers such as Agilent, Tektronix, Anritsu and Rohde & Schwarz. We are focused at the professional end of the marketplace, primarily working with customers for whom high performance, quality and service are key, whilst realising the cost savings that second user equipment offers. As such, we fully test & refurbish equipment in our in-house, traceable Lab. Items are supplied with manuals, accessories and typically a full no-quibble 2 year warranty. Our staff have extensive backgrounds in T&M, totalling over 150 years of combined experience, which enables us to deliver industry-leading service and support. We endeavour to be customer focused in every way right down to the detail, such as offering free delivery on sales, covering the cost of warranty returns BOTH ways (plus supplying a loan unit, if available) and supplying a free business tool with every order. As well as the headline benefit of cost saving, second user offers shorter lead times, higher reliability and multivendor solutions. Rental, of course, is ideal for shorter term needs and offers fast delivery, flexibility, try-before-you-buy, zero capital expenditure, lower risk and off balance sheet accounting. Both second user and rental improve the key business measure of Return On Capital Employed. We are based near Heathrow Airport in the UK from where we supply test equipment worldwide. Our facility incorporates Sales, Support, Admin, Logistics and our own in-house Lab. All products supplied by Test Equipment Solutions include: - No-quibble parts & labour warranty (we provide transport for UK mainland addresses). - Free loan equipment during warranty repair, if available. - Full electrical, mechanical and safety refurbishment in our in-house Lab. - Certificate of Conformance (calibration available on request). - Manuals and accessories required for normal operation. - Free insured delivery to your UK mainland address (sales). - Support from our team of seasoned Test & Measurement engineers. - ISO9001 quality assurance. Test equipment Solutions Ltd Unit 8 Elder Way Waterside Drive Langley Berkshire SL3 6EP T: +44 (0)1753 596000 F: +44 (0)1753 596001 Email: [email protected] Web: www.TestEquipmentHQ.com Power Meter R&S NRP in ◆ Innovative multipath sensor ◆ Accurate measurement of average ◆ Handling of external components technology power regardless of bandwidth and through Γ and s-parameter correction ◆ 90 dB dynamic range modulation ◆ Simultaneous operation of up to ◆ High measurement speed ◆ Multislot measurements for 4 sensors on basic unit ◆ Intelligent sensors – simply plug in common time division systems ◆ Operation of sensor directly from PC and measure (e.g. GSM/EDGE, DECT) via USB interface ◆ 2-year calibration cycle Ready for a wide variety of applications The RF and microwave Power Meter Designed for R&D R&S NRP is always the right choice: It is ideal for daily use in research and Top measurement accuracy plus a A power meter must of course be easy to development, production or mobile dynamic range of 90 dB for broadband operate: The numerous sensor functions service, not to mention when analyzing signals of any modulation are the most can be activated via an intuitive user broadband modulation signals of third- requested characteristics of a modern interface, and the high-resolution display generation mobile radio. The versatility power meter. The versatile R&S NRP indicates up to 4 measurement results at of the novel R&S NRP power meter sensors in a time. As with other power meters from series is primarily due to the newly feature exactly these characteristics and Rohde&Schwarz, all calibration data is developed sensors in are a priceless investment if you wish to stored in the sensor, which ensures high- . These sen- meet future requirements such as the precision measurements by minimizing sors are intelligent standalone instru- broadband modulation types of third- operating errors. ments that communicate with the generation mobile radio. In addition, they basic unit or a PC via a digital interface. are also capable of handling the RF band- The , now widths beyond 100 MHz that are already implemented for the first time, sets under discussion for wireless LAN. new standards in terms of universality and accuracy. The R&S NRP basic unit offers exactly what you expect for today’s needs: compact size, intuitive user interface and multichannel capa- bility. Softkeys and window-oriented Power sensor in menu technique with 90 dB dynamic range Built-in test generator Display of up to (option R&S NRP-B1) 4 measurement results Function keys for fast access to important functions Sensor connectors on front panel, channel B: option R&S NRP-B2 2 Power Meter R&S NRP Ideal for production Mobile use For any type of test signal: If you have ever dealt with microwave The handy, lightweight and sturdy instru- power measurements, you know that the ment, which can also be powered from Microwave power meters have histori- necessary filtering of results due to the the optional battery for several hours, cally required a multitude of different noise characteristics of the sensor as well makes mobile use a pleasure. With an sensors to cover all applications. Thermal as delays in measurement range selec- operating temperature range from 0°C to sensors, diode sensors as well as peak tion and command/result processing can 50°C, the Power Meter R&S NRP can be power sensors were used to handle the have negative effects on throughput in used under almost any conditions. various measurement tasks. The sensors production. And this is where the R&S of the R&S NRP family now make life NRP with its innovative features offers allows every much easier – in many cases, a single straightforward solutions: R&S NRP sensor to be operated directly sensor can perform all necessary mea- from a PC, making it the smallest and surements (see table 1). ◆ Autofilter most lightweight microwave measuring ◆ Parallel processing instrument available. ◆ Speed It goes without saying that the basic unit, which can accommodate up to 4 sensors at the same time, can be fully remote- controlled. In addition, the sensors can directly be connected to a PC. It is good to know that the sensors can perform reli- able measurements for an extended period of time owing to the long calibra- tion interval of 2 years. Table 1: Sensor technologies and their applications Sensor in Application ↓ Sensor → Thermoelectric sensor Diode sensor (CW) Peak power sensor Sensor in ✓ Average power Burst power –– –– Time gating –– –– Signal with extremely high bandwidth –– Measurement over wide dynamic range –– ✓ ✓✓ optimal possible –– not possible Summary ◆ One power sensor ◆ 90 dB dynamic range ◆ CW and broadband-modulated signals ◆ Time-gating applications ◆ High measurement accuracy and speed Power Meter R&S NRP 3 High system accuracy through Plug in and measure High measurement accuracy – even with modulated signals The accuracy of microwave power mea- surements essentially depends on the Benefitting from all the factors described The R&S NRP sensors represent a big step characteristics of the sensor, but it is above, Rohde&Schwarz broadband forward in solving these problems. The impossible to eliminate level, tempera- power meters have a very low measure- concept of ture and frequency influences by tradi- ment uncertainty, which is still the deci- (see page 5) comprises an entire series of tional means. Rohde&Schwarz solved sive argument in their favour. In the past, measures intended to make the sensors this problem years ago by introducing a however, the data sheet specifications of similar to thermal sensors in behaviour. novel approach: Measure the deviations about 2% (0.09 dB) could seldom be This includes very accurate measurement of each manufactured sensor from the achieved in practice. This was due to error of average power, regardless of modula- ideal characteristics and then store the sources associated with the test signal or tion (FIG 1), as well as high immunity to values in the sensor as a data record. This external circuitry: harmonics and nonhar- incorrect weighting of harmonics, spuri- means that you do not have to bother monics, modulation, mismatch of the ous and other interference signals. The with calibration data. Instead, you simply source, and the influence of attenuators maximum speed of 1500 measurements plug in the sensor and start the measure- and directional couplers connected per second (in buffered mode, measure- ment, which is a significant advantage in ahead of the sensor for level matching. ment interval 2 x 100 µs) nevertheless day-to-day work. equals that of diode sensors. Precise calibration A power sensor can only be as good as 0.2 the measuring instruments used to cali- brate it. This is why the standards 0.15 employed by Rohde&Schwarz are directly 0.1 traceable to the power standards of the German Standards Laboratory (PTB). 0.05 Error in dB 0 –0.05 –0.1 –0.15 –0.2 –60–50–40 –30 –20 –10 0 10 20 Power level in dBm FIG 1: Modulation-related errors of an R&S NRP-Z11 or R&S NRP-Z21 power sensor for a 3GPP test signal (test model 1-64) compared to a CW signal of the same magnitude. Red: default setting; yellow: transition area between measurement paths shifted by –6 dB; light blue: uncertainty caused by noise (modulation effect below –30 dBm negligible). 4 Power Meter R&S NRP The Power Sensors R&S NRP-Z11 and R&S NRP-Z21 fuse The advantages over conventional technology are obvious: multiple-path architecture, multiple-diode technology and a high signal/noise ratio throughout, low modulation effect, simultaneously scanning multichannel measurement system negligible delays and discontinuities when switching signal into a unique high-performance concept.
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