The Rohde & Schwarz SMB100A is a versatile RF and microwave analog signal generator known for its excellent signal quality, high output power, and compact form factor. Depending on the installed frequency option, it covers ranges from 9 kHz up to 40 GHz, making it an ideal choice for testing receivers, components, and radar systems across a wide variety of RF and microwave applications.
Specifications
Frequency
| Parameter | Value |
|---|---|
| Minimum Frequency | 9 kHz / 100 kHz (configuration dependent) |
| Frequency Resolution | 0.001 Hz |
| Frequency Range Options (RF) | 9 kHz to 1.1 / 2.2 / 3.2 / 6 GHz (options B101/B102/B103/B106) |
| Frequency Setting Time | < 3 ms (typ. 1.5 ms) via remote control |
| Reference Frequency Standard | 10 MHz |
Output
| Parameter | Value |
|---|---|
| Phase Noise | Typ. -128 dBc/Hz (1 GHz carrier, 20 kHz offset) |
Modulation
| Parameter | Value |
|---|---|
| Internal LF Generator Frequency Range | 0.1 Hz to 1 MHz |
General
| Parameter | Value |
|---|---|
| Reference Oscillator | 10 MHz (internal), OCXO (optional) |
| Interfaces | LAN (LXI Class C), USB, GPIB (IEEE 488.2) |
| Recommended Calibration Interval | 3 years |
| Warm-up Time | 30 minutes |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC, 50 Hz to 60 Hz; 100 V to 120 V AC, 400 Hz |
Level (Amplitude)
| Parameter | Value |
|---|---|
| Level Resolution | 0.01 dB |
| Level Setting Time | < 2.5 ms (typ. 1.5 ms) |
| Output Impedance | 50 Ω |
| Output VSWR | < 1.8 (f ≤ 6 GHz) |
| Reverse Power Protection (DC voltage) | 50 V |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonics | < -30 dBc (CW, level ≤ 10 dBm, f > 1 MHz) |
| Non-harmonics (Spurious) | < -70 dBc (> 10 kHz offset, f ≤ 1.5 GHz) |
| SSB Phase Noise (1 GHz, 20 kHz offset) | typ. -128 dBc/Hz |
Amplitude Modulation (AM)
| Parameter | Value |
|---|---|
| Modulation Depth Range | 0 to 100 % |
| Modulation Resolution | 0.1 % |
Pulse Modulation
| Parameter | Value |
|---|---|
| On/Off Ratio | > 80 dB |
| Minimum Pulse Width | 20 ns |
Internal Modulation / LF Generator
| Parameter | Value |
|---|---|
| Frequency Range | 0.1 Hz to 1 MHz |
Front / Rear Panel Connectors
| Parameter | Value |
|---|---|
| RF Output Connector (< 6 GHz) | N female |
| Reference Input (REF IN) | BNC female |
| Reference Output (REF OUT) | BNC female |
Connectivity and Remote Control
| Parameter | Value |
|---|---|
| GPIB Interface | IEEE 488.2 |
| USB Ports | USB 2.0 (Host and Device) |
| Remote Control Command Set | SCPI 1999.5 |
Environmental and Regulatory
| Parameter | Value |
|---|---|
| Operating Temperature Range | 0 °C to +50 °C |
| Storage Temperature Range | -40 °C to +71 °C |
Environmental
| Parameter | Value |
|---|---|
| Maximum Operating Altitude | 4600 m (15000 ft) |
Compliance
| Parameter | Value |
|---|---|
| Safety Compliance | EN 61010-1 |
Connectivity & Standards
| Parameter | Value |
|---|---|
| Reference Input Impedance | 50 Ω |
| LXI Compliance | LXI Class C |
Technology
Analog Signal Generation
Applications
RF and microwave testing, receiver testing, LO substitution, radar and aerospace test, component characterization