The Rohde & Schwarz SMC100A is an exceptionally compact and cost-effective analog RF signal generator. Operating in the frequency range from 9 kHz to 1.1 GHz or 3.2 GHz, it delivers outstanding signal purity, fast frequency/level switching, and integrated AM/FM/φM/pulse modulation capabilities. It is ideally optimized for service, education, and field operations, offering self-test capabilities and user-replaceable modules to minimize total cost of ownership.
Specifications
Frequency
| Parameter | Value |
|---|---|
| Minimum Frequency | 9 kHz |
| Maximum Frequency | 3.2 GHz (option-dependent) |
| Frequency Options | R&S®SMC-B101 (9 kHz to 1.1 GHz), R&S®SMC-B103 (9 kHz to 3.2 GHz) |
| Frequency Setting Time | < 5 ms |
| Reference Frequency Nominal Value | 10 MHz |
| Reference Frequency Temperature Stability (Standard) | ±1 x 10^-6 |
| Reference Frequency Aging Rate per Year (Standard) | ±1 x 10^-6 |
| External Reference Input Frequency | 10 MHz |
Output
| Parameter | Value |
|---|---|
| Maximum Output Power | +17 dBm (typical) |
| Phase Noise | typ. –111 dBc/Hz at 20 kHz offset (1 GHz carrier) |
Modulation
| Parameter | Value |
|---|---|
| Modulation | AM, FM, φM, pulse modulation |
| External Modulation Input Impedance | 100 kOhm (nominal) |
General
| Parameter | Value |
|---|---|
| Reference Oscillator | 10 MHz (optional high-stability OCXO available) |
| Interfaces | USB host, USB device, LAN (optional GPIB) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC, 50 Hz to 60 Hz / 400 Hz |
| Weight | 3.9 kg |
Level and Amplitude
| Parameter | Value |
|---|---|
| Specified Level Range | –120 dBm to +13 dBm |
| Level Setting Time | < 5 ms |
| Level Uncertainty | < 0.9 dB |
| Output Impedance | 50 Ω |
| Electronic Attenuator | Wear-free electronic |
| Over-voltage Protection | Integrated (up to 50 W reverse power, 50 V DC) |
| Level Calibration Support | Repeatability and accuracy verification via R&S®NRP-Z91/-Z92 power sensors |
Spectral Purity
| Parameter | Value |
|---|---|
| Harmonics | <-30 dBc (for levels < +10 dBm) |
Frequency Modulation (FM)
| Parameter | Value |
|---|---|
| FM Operating Modes | Internal, external, internal + external |
Amplitude Modulation (AM)
| Parameter | Value |
|---|---|
| AM Operating Modes | Internal, external, internal + external |
| AM Depth Range | 0% to 100% |
Phase Modulation (PhiM)
| Parameter | Value |
|---|---|
| Phase Modulation Operating Modes | Internal, external, internal + external |
Interfaces and Connectivity
| Parameter | Value |
|---|---|
| RF Output Connector | N female, 50 Ω |
| USB Interface Ports | USB host (Type A), USB device (Type B) |
General, Environmental and Physical
| Parameter | Value |
|---|---|
| Operating Temperature Range | 0 °C to +55 °C |
| Form Factor | ½ x 19", 2 height units (2U) |
Interfaces & Software
| Parameter | Value |
|---|---|
| SCPI Compatibility | SCPI 1999.0 compliant |
| LXI Compliance | LXI Class C |
User Interface
| Parameter | Value |
|---|---|
| Display Type | Color LCD |
| Display Resolution | 320 x 240 pixels |
Power Supply
| Parameter | Value |
|---|---|
| AC Input Voltage Range | 100 V to 240 V AC |
Service & Reliability
| Parameter | Value |
|---|---|
| Recommended Calibration Interval | 3 years |
Interfaces & Connectivity
| Parameter | Value |
|---|---|
| Power Sensor Compatibility | Direct connection of R&S NRP-Zxx USB power sensors |
Technology
RF Signal Generator
Applications
Service, maintenance, training, education, and field testing