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Rohde & Schwarz SML, SMV Series RF Signal Generators

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Additional Product Information

SML Data Sheet (pdf, 293K) >>
SMV03 Data Sheet (pdf, 493K) >>

The R&S SML Series combines all the characteristics of a general purpose signal generator - wide frequency ranges, extensive analog modulation capabilities and high reliability - into a lightweight, low-cost product.

The R&S SMV03 Vector Signal Generator is based on the successful SML03. It adds an additional broadband I/Q modulator which is able to generate any digital signal in conjunction with an external I/Q source.

Great For a Wide Variety of Applications

Lab and R&D Applications

High spectral purity - Thanks to its low phase noise SML is ideally suited to replace LOs.

Versatile modulation modes - SML in conjunction with the optional Pulse Modulator SML-B3 handles all analog types of modulation. AM, FM/phase and pulse modulation can be used simultaneously. TDMA signals or amplitude variations at FM, for example, can thus be simulated.

High and precise output level - SML has plenty of power in reserve so level loss produced by the test setup can be easily compensated. Its high output level makes SML an ideal source for driving high-level mixers.

Excellent modulation characteristics - The precise DC-coupled FM allows the SML to be used as an accurate VCO.

Example: Receiver Measurements

• Sensitivity measurements require a signal generator with high level accuracy. This is particularly true at low output levels. With its sophisticated calibration technique, SML features high level accuracy (error <0.5 dB at levels >-120 dBm).
• Squelch measurements call for continuous level setting. Non-interrupting level variation by typically 30 dB makes SML the ideal choice for squelch measurements.
• Low spurious, low broadband noise and above all excellent SSB phase noise are prerequisites for using a signal generator as an interference source. With typically -128 dBc/Hz SSB phase noise (at f = 1 GHz, Delta f = 20 kHz), spurious suppression of typically <-76 dBc and broadband noise of typically <-150 dBc/Hz, SML easily meets even the most exacting requirements.
• The mechanical design of SML ensures excellent RF shielding of its casing. This is particularly important for measurements on highly sensitive receivers with built-in antenna such as pagers.

Servicing Applications: robust, compact, lightweight

Mobility - SML is lightweight and compact and therefore very easy to transport.

Flexible control - In service environments, a GPIB interface is not always available for controlling the generator. This is no problem for SML since it can also be driven via a standard RS-232 interface.

Protection against overvoltage - The integrated overvoltage protection of SML protects against very high external voltages as they may occur during transceiver measurements.

Production Applications: fast, accurate, reliable

Accuracy - In production testing, compliance with specified tolerances is checked. The tolerance range is further limited by the inaccuracy of the measuring equipment used. Thanks to its high level accuracy of <0.5 dB (at levels >-120 dBm) SML reduces the accuracy requirements made on the DUT. This results in higher yield.

Speed - Speed is of prime importance in production. And this is exactly one of the strong points of SML, with a setting time <10 ms for frequency and level.

Reliability - A signal generator used in production must have high reliability. SML meets this requirement for example through the use of a completely wear-free electronic attenuator. Should a fault nevertheless occur, the continuous self-diagnosis of SML prevents expensive erroneous measurements.

Output level - Production test systems, in which the signal is taken to the DUT via switches and cables, cause level losses which can be easily compensated by the high output power of SML.

Dimensions - Space is often at a premium in production. The compact size of SML makes it ideal for use in such environments.

Example: Component Test

• To obtain reliable information on component quality, high level accuracy and precise reproducibility of the output level are called for. SML fully meets these requirements thanks to the level error of <0.5 dB (at levels >-120 dBm) and high reproducibility.
• Extremely short times (<10 ms) for frequency and level setting enable fast testing and make SML the ideal generator for use in production.
• Overshoots in case of level change may damage or destroy the DUT. This cannot happen with SML since it operates without any overshoots.

EMS Measurement Applications

Non-interrupting level setting without overshoots - EMS measurements call for non-interrupting level setting which should moreover be performed without any overshoots. SML operates free of overshoots and offers a wide dynamic range of typically 30 dB for non-interrupting level variation (with Attenuator Mode Fixed).

Wide frequency range - SML has a lower frequency limit of 9 kHz as standard and so fully covers the frequency range required for EMC measurements.

Simultaneous modulation - TDMA signals can be simulated since SML offers simultaneous AM, FM/phase and pulse modulation. SML is suitable, for example, for measurements in line with standards ENV 50204 (test of immunity to high-frequency electro-magnetic fields of digital radio telephones) and MIL-STD-462D (measurement of electromagnetic interference characteristics).

PRICING INFORMATION

Rohde & Schwarz SML01 Signal Generator 9 kHz to 1.1 GHz	TestEquity Price $6,700
Rohde & Schwarz SML02 Signal Generator 9 kHz to 2.2 GHz	TestEquity Price $8,300
Rohde & Schwarz SML03 Signal Generator 9 kHz to 3.3 GHz	TestEquity Price $9,200
Rohde & Schwarz SMV03 Vector Signal Generator 9 kHz to 3.3 GHz	TestEquity Price $15,880
Rohde & Schwarz -B1 OXCO Reference Oscillator Option Must be ordered with unit.	TestEquity Price $1,200
Rohde & Schwarz -B19 Rear Connector Option Must be ordered with unit.	TestEquity Price $290
Rohde & Schwarz -B3 Pulse Modulation Option Must be ordered with unit.	TestEquity Price $910
Rohde & Schwarz -B5 Stereo/RDS-Coder Must be ordered with unit.	TestEquity Price $4,300

OPTIONS & ACCESSORIES

ZZA-211 Rackmount Adapter	TestEquity Price $150
ZZT-214 Transport Case	TestEquity Price $235

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