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The Rohde & Schwarz R&S®SMC100A is an analog signal generator built around the design goal of high performance at an attractive price. It is offered with a frequency range of 9 kHz to 1.1 GHz or 9 kHz to 3.2 GHz depending on the installed RF path option, and is positioned as a flexible, universal all-purpose signal generator. It is described as the smallest signal generator in its economy class, occupying a ½ × 19", 2-height-unit form factor, and is lightweight for both bench and portable work.
Rohde & Schwarz identifies the SMC100A as an ideal tool across several application fields: service and maintenance, research and education, field use, secure areas, and simple production applications. Its compact dimensions, integrated analog modulation, and straightforward operation suit these general-purpose stimulus tasks.
ValueTronics holds and stocks its own test-and-measurement inventory in a 20,000 sq ft secure warehouse at 1675 Cambridge Drive, Elgin, Illinois. Used units are inspected and functionally verified in-house against the original manufacturer's specifications before they ship, while new units leave our facility factory-sealed exactly as received from the manufacturer. Handling inventory directly in our own warehouse lets our team stand behind every instrument we sell.
Rohde & Schwarz is an independent group of companies specializing in electronics, established more than 75 years ago with company headquarters in Munich, Germany. It has operated under the Rohde & Schwarz name throughout its history, with no major corporate name change or acquisition affecting the brand.
| Specification | Value |
|---|---|
| Frequency | |
| Range (SMC-B101 option) | 9 kHz to 1.1 GHz |
| Range (SMC-B103 option) | 9 kHz to 3.2 GHz |
| Resolution of setting | 0.001 Hz |
| Resolution of synthesis (f = 1 GHz) | 4.71 µHz (nom.) |
| Setting time (with SMC-K4, after IEC/IEEE bus delimiter) | < 5 ms, < 2 ms (typ.) |
| Setting time (with SMC-K4, in ALC OFF mode S&H) | < 7 ms, < 3 ms (typ.) |
| Resolution of phase offset setting | 0.1° |
| Frequency Sweep | |
| Reference Frequency | |
| Frequency error at time of calibration in production | < 1 × 10⁻⁷ |
| Frequency error (with SMC-B1 option) | < 1 × 10⁻⁸ |
| Aging (after 30 days of uninterrupted operation) | < 1 × 10⁻⁶/year |
| Aging (with SMC-B1 option) | < 1 × 10⁻⁹/day, < 1 × 10⁻⁷/year |
| Temperature effect (0 °C to +55 °C) | < 2 × 10⁻⁶ |
| Temperature effect (with SMC-B1 option) | < 1 × 10⁻⁷ |
| Warm-up time to nominal thermostat temperature (with SMC-B1 option) | ≤ 10 min |
| Reference output (REF OUT, BNC female) | 10 MHz sine wave |
| Reference output level | +6 dBm to +12 dBm, 9 dBm (typ.) |
| Reference output source impedance | 50 Ω (nom.) |
| Reference input (REF IN, BNC female) | 10 MHz |
| Frequency locking range | ±3 × 10⁻⁶ |
| Input level range | 0 dBm to +16 dBm |
| Input impedance | 50 Ω (nom.) |
| Level | |
| Setting range | –120 dBm to +19 dBm |
| Specified level range (200 kHz ≤ f ≤ 3.2 GHz) | –120 dBm to +13 dBm (PEP) |
| Resolution | 0.01 dB |
| Level error (ALC ON, AUTO mode, +18 °C to +33 °C, specified level range) | < 0.9 dB |
| Additional level error with ALC OFF S&H | < 0.5 dB |
| Output impedance VSWR in 50 Ω system (specified level range) | < 1.8 |
| Setting time to < 0.1 dB deviation from final value (with SMC-K4, after IEC/IEEE bus delimiter) | < 5 ms, < 2 ms (typ.) |
| Setting time (with SMC-K4, in ALC OFF mode S&H) | < 7 ms, < 3 ms (typ.) |
| Interruption-free level setting range (FIXED MODE, ALC ON) | 0 dB to 20 dB |
| Maximum permissible RF power (1 MHz ≤ f ≤ 1 GHz) | 50 W |
| Maximum permissible RF power (1 GHz < f ≤ 2 GHz) | 25 W |
| Maximum permissible RF power (2 GHz < f ≤ 3.2 GHz) | 10 W |
| Maximum permissible DC voltage | 50 V |
| Level Sweep | |
| Operating mode | digital sweep in discrete steps |
| Sweep range | full specified level range |
| Interruption-free level sweep (attenuator mode FIXED) | +0.01 dB to +20 dB |
| Sweep shape | sawtooth, triangle |
| Step size setting resolution | 0.01 dB |
| Dwell time setting range | 10 ms to 10 s |
| Dwell time setting resolution | 0.1 ms |
| Spectral Purity | |
| Harmonics (f > 1 MHz, level ≤ 8 dBm) | < –30 dBc |
| Nonharmonics (CW, level > –10 dBm, offset > 10 kHz from carrier, f ≤ 1600 MHz) | < –60 dBc, < –72 dBc (typ.) |
| Nonharmonics (1600 MHz < f ≤ 3200 MHz) | < –54 dBc |
| Wideband noise (f > 1 MHz, carrier offset > 10 MHz, level > 5 dBm, 1 Hz BW, CW) | < –138 dBc, < –146 dBc (typ.) |
| SSB phase noise (carrier offset 20 kHz, 1 Hz BW, f = 1 GHz) | < –105 dBc, –111 dBc (typ.) |
| SSB phase noise (f = 2 GHz) | < –99 dBc, –105 dBc (typ.) |
| SSB phase noise (f = 3.2 GHz) | < –95 dBc, –101 dBc (typ.) |
| Residual FM (RMS at f = 1 GHz, CW, 0.3 kHz to 3 kHz) | < 5 Hz, 1 Hz (typ.) |
| Residual FM (0.03 kHz to 23 kHz) | < 30 Hz, 8 Hz (typ.) |
| Residual AM (RMS value 0.03 kHz to 20 kHz, level = 8 dBm) | < 0.02 %, < 0.005 % (typ.) |
| Amplitude Modulation | |
| AM depth setting range | 0 % to 100 % |
| Resolution of setting | 1 % |
| AM depth error (fmod = 1 kHz, m < 80 %, f ≤ 23.4375 MHz) | < (1 % of setting + 1 %) |
| AM depth error (f > 23.4375 MHz) | < (4 % of setting + 1 %) |
| AM distortion (fmod = 1 kHz, m = 30 %, f ≤ 23.4375 MHz) | < 1 % |
| AM distortion (f > 23.4375 MHz) | < 3 % |
| Modulation frequency response (m = 60 %, DC/10 Hz to 50 kHz) | < 3 dB |
| Synchronous φM at AM (m = 30 %, fmod = 1 kHz, peak) | < 0.3 rad |
| Frequency Modulation | |
| External coupling | AC, DC |
| Maximum deviation (f ≤ 23.4375 MHz) | 500 kHz |
| Maximum deviation (23.4375 MHz < f ≤ 25 MHz) | 31.25 kHz |
| Maximum deviation (25 MHz < f ≤ 50 MHz) | 62.5 kHz |
| Maximum deviation (50 MHz < f ≤ 100 MHz) | 125 kHz |
| Maximum deviation (100 MHz < f ≤ 200 MHz) | 250 kHz |
| Maximum deviation (200 MHz < f ≤ 400 MHz) | 500 kHz |
| Maximum deviation (400 MHz < f ≤ 800 MHz) | 1 MHz |
| Maximum deviation (800 MHz < f ≤ 1.6 GHz) | 2 MHz |
| Maximum deviation (1.6 GHz < f ≤ 3.2 GHz) | 4 MHz |
| Resolution | < 1 % of maximum deviation, minimum 10 Hz |
| FM deviation error (fmod = 1 kHz) | < (4 % of setting + 20 Hz) |
| FM distortion (fmod = 2 kHz, half the max. deviation) | < 0.2 % |
| Synchronous AM at FM (40 kHz deviation, fmod = 1 kHz, f > 10 MHz) | < 0.2 % |
| Carrier frequency offset with FM DC (after FM offset adjustment) | < 0.4 % of deviation setting |
| Phase Modulation | |
| Modulation source | internal, external |
| External coupling | AC, DC |
| Modulation frequency response (DC/10 Hz to 100 kHz) | < 3 dB |
| Modulation source | internal, external |
| Operating mode | digital sweep in discrete steps |
| Sweep range | full frequency range |
| Sweep shape | sawtooth, triangle |
| Step size (linear) | full frequency range |
| Step size (logarithmic) | 0.01 % to 100 % per step |
| Dwell time setting range | 10 ms to 10 s |
| Dwell time setting resolution | 0.1 ms |
Important: The R&S®SMC100A base unit must be ordered together with a frequency path option — either the R&S®SMC-B101 (9 kHz to 1.1 GHz) or the R&S®SMC-B103 (9 kHz to 3.2 GHz).
Important: The R&S SMC-DKD DKD (ISO 17025) calibration including ISO 9000 calibration can only be ordered together with the device.
Important: When pulse modulation is activated, the R&S SMC100A automatically switches to the ALC mode S&H; the ALC loop is opened and the output level is set directly, with a Sample & Hold measurement performed prior to each frequency and level setting.
Recommended pairing: the R&S®NRP-Z91 or R&S®NRP-Z92 power sensors, listed as recommended extras, support level correction and external power measurement with the SMC100A.
This pre-owned unit is inspected and functionally verified in-house before it ships and is backed by our pre-owned warranty. To confirm its exact condition, firmware revision, installed options, or included accessories for your application before ordering, contact our Test Architects.
ValueTronics supplies both new and used test and measurement equipment. New units ship factory-sealed, exactly as received from the manufacturer; every used unit is inspected and functionally verified in-house at our 20,000 sq ft secure facility in Elgin, Illinois before it ships. Our Test Architects can help you select the condition, calibration, and configuration that fit your application.
Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
Rohde
Condition
Pre-Owned
Manufacturer
Rohde & Schwarz
Rf_gen_freq
9 kHz to 3.2 GHz
B103
9 kHz to 3.2 GHz
30+ Years in Business
Secure Payments
Sell Test Equipments
Knowledgeable Staff
On-site Lab
30+ Years in Business
Secure Payments
Sell Test Equipments
Knowledgeable Staff
On-site Lab
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