The Rohde & Schwarz SMB100B is a high-performance analog RF and microwave signal generator designed to provide outstanding spectral purity, high output power, and comprehensive analog modulation capabilities up to 6 GHz. Offering an intuitive touchscreen interface and modular options, it is ideally suited for development, production, and service environments where precision and reliability are paramount.
Specifications
Frequency
| Parameter | Value |
|---|---|
| Minimum Frequency | 8 kHz |
| Maximum Frequency | 6 GHz (frequency-option dependent) |
| Frequency Resolution | 0.01 Hz |
| Frequency Options | 1 GHz (SMBB-B101), 3 GHz (SMBB-B103), 6 GHz (SMBB-B106) |
| Frequency Switching Speed | < 1.2 ms |
| Internal Reference Aging Rate | ±1 x 10^-6 per year |
| Internal Reference Temperature Stability | ±1 x 10^-6 |
Output
| Parameter | Value |
|---|---|
| Maximum Output Power | +18 dBm (standard, up to 6 GHz) |
| Output Power Range | -120 dBm to +18 dBm (expandable to -145 dBm with electronic attenuator options) |
Modulation
| Parameter | Value |
|---|---|
| Modulation | AM, FM, Phase (φM), Pulse (optional) |
| Sweep Modes | RF sweep, LF sweep, Level sweep |
General
| Parameter | Value |
|---|---|
| Reference Oscillator | 10 MHz (TCXO standard, OCXO optional) |
| Interfaces | LAN (10/100/1000Base-T), USB 2.0, GPIB (optional via SMBB-B10) |
| Display | 5-inch touchscreen (800 x 480 pixels) |
| Display Size | 5 in (touchscreen) |
| Display Resolution | 800 × 480 pixels |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC, 50 Hz to 60 Hz |
| Dimensions (W×H×D) | 344 mm × 112 mm × 368 mm |
| Weight | 4.4 kg (standard configuration) |
Amplitude
| Parameter | Value |
|---|---|
| Minimum Output Power | -120 dBm |
| Amplitude Resolution | 0.01 dB |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonics | <-30 dBc (level <= 8 dBm) |
| Non-Harmonics (Spurious) | <-70 dBc (carrier <= 1.5 GHz, offset > 10 kHz) |
Analog Modulation
| Parameter | Value |
|---|---|
| FM Maximum Deviation | 4 MHz (at 1 GHz) |
| FM Rate Range | DC to 1 MHz |
| PM Maximum Deviation | 4 rad (at 1 GHz) |
| PM Rate Range | DC to 1 MHz |
| AM Depth Range | 0% to 100% |
| AM Rate Range | DC to 50 kHz |
| Pulse Modulation On/Off Ratio | > 80 dB |
Inputs & Outputs
| Parameter | Value |
|---|---|
| RF Output Connector | N female (50 Ω) |
| RF Output Impedance | 50 Ω |
| LAN Interface | 10/100/1000Base-T |
| USB Ports | 2x USB Host, 1x USB Device |
| External Reference Input | BNC female |
| Reference Output | BNC female |
| Trigger Input | BNC female |
| USB Device Interface | 1 × USB 2.0 (Type B) for remote control |
Physical & Environmental
| Parameter | Value |
|---|---|
| Operating Temperature Range | 0 °C to +55 °C |
| Storage Temperature Range | -40 °C to +70 °C |
| Relative Humidity | up to 95% (non-condensing) |
| Rack Unit Height | 2 RU |
Power Requirements
| Parameter | Value |
|---|---|
| Line Voltage Range | 100 V to 240 V AC |
| Power Consumption | 70 W (typical) |
Options
| Parameter | Value |
|---|---|
| OCXO Reference Option | SMBB-B1 |
| High Output Power Option | SMBB-K31 |
| Pulse Generator Option | SMBB-K23 |
| Pulse Modulator Option | SMBB-K22 |
LF Generator Option
| Parameter | Value |
|---|---|
| LF Generator Waveforms | Sine, square, triangle, trapezoid (with R&S®SMBB-K2) |
| LF Generator Frequency Range | 0.1 Hz to 1 MHz (sine, with R&S®SMBB-K2) |
Pulse Generator Option
| Parameter | Value |
|---|---|
| Pulse Generator Modes | Single pulse, double pulse (with R&S®SMBB-K23) |
| Pulse Generator Period Range | 40 ns to 85 s (with R&S®SMBB-K23) |
| Pulse Generator Width Range | 10 ns to 85 s (with R&S®SMBB-K23) |
| Pulse Generator Resolution | 10 ns (with R&S®SMBB-K23) |
Pulse Modulation Option
| Parameter | Value |
|---|---|
| Pulse Modulation Rise/Fall Time | < 15 ns, typ. < 5 ns (with R&S®SMBB-K22) |
| Pulse Modulation Minimum Pulse Width | 20 ns (with R&S®SMBB-K22) |
Reference Frequency
| Parameter | Value |
|---|---|
| Variable External Reference Input | 1 MHz to 100 MHz (with R&S®SMBB-K722 option) |
Interfaces & Remote Control
| Parameter | Value |
|---|---|
| GPIB Interface Option | R&S®SMBB-B83 |
| Remote Control Emulation Modes | HP8648, HP8656/57, Agilent N5181A/N5182A/N5183A, Aeroflex 2023/24/25, legacy R&S generators |
Reliability & Maintenance
| Parameter | Value |
|---|---|
| Recommended Calibration Interval | 36 months |
Environmental & Physical
| Parameter | Value |
|---|---|
| Acoustic Noise | Typ. 33 dBA (at +25 °C) |
| Maximum Operating Altitude | 4600 m |
Performance
| Parameter | Value |
|---|---|
| Level Switching Speed | < 1 ms (typical < 500 µs) |
Protection
| Parameter | Value |
|---|---|
| Maximum Reverse Power | 50 W |
| Maximum Reverse DC Voltage | 50 V |
Pulse Generator
| Parameter | Value |
|---|---|
| Pulse Generator Delay Resolution | 10 ns |
LF Generator
| Parameter | Value |
|---|---|
| LF Generator Distortion | < 0.1% (typical at 1 kHz, 1 Vp into high impedance) |
| LF Generator Maximum Output Level | 10 mV to 3 V (Vp) into high impedance |
Compliance
| Parameter | Value |
|---|---|
| EMC Compliance | IEC/EN 61326-1, EN 55011 Class A |
| Safety Compliance | IEC/EN 61010-1 |
Environmental
| Parameter | Value |
|---|---|
| Vibration Resistance | Compliant with MIL-PRF-28800F Class 3 |
| Shock Resistance | Compliant with MIL-PRF-28800F Class 3 |
Technology
Analog RF Signal Generation
Applications
RF Testing, Receiver Characterization, Local Oscillator Emulation