The Rohde & Schwarz SMJ100A is a versatile vector signal generator designed to meet the rigorous demands of modern RF research, development, and production. It features a wide RF bandwidth of 200 MHz, outstanding signal quality with exceptionally low SSB phase noise and broadband noise, and an advanced internal baseband generator capable of up to 80 MHz bandwidth and 64 MSamples arbitrary waveform memory. Its electronic attenuator spans the entire level range up to 6 GHz, ensuring ultra-fast frequency and level setting times under 5 ms.
Specifications
Frequency
| Parameter | Value |
|---|---|
| Minimum Frequency | 100 kHz |
| Maximum Frequency | 3 GHz / 6 GHz (option dependent) |
| Frequency Resolution | 0.01 Hz |
Output
| Parameter | Value |
|---|---|
| Phase Noise | typ. -133 dBc (f = 1 GHz, 20 kHz carrier offset, 1 Hz measurement bandwidth) |
Modulation
| Parameter | Value |
|---|---|
| Modulation | AM, FM, Phase, Pulse, I/Q, Digital (EUTRA/LTE, 3GPP FDD, GSM/EDGE) |
| Sweep Modes | Step, List |
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB (IEEE-488), LAN |
| Display | Color display, 800 x 600 pixels (SVGA format) |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC, 50 Hz to 60 Hz; 100 V to 120 V AC, 400 Hz |
Frequency Characteristics
| Parameter | Value |
|---|---|
| Frequency Range | 100 kHz to 3 GHz or 100 kHz to 6 GHz (hardware option dependent) |
Level Characteristics
| Parameter | Value |
|---|---|
| Attenuator Type | Electronic attenuator up to 6 GHz |
Spectral Purity
| Parameter | Value |
|---|---|
| SSB Phase Noise (20 kHz offset) | typ. -133 dBc (f = 1 GHz, 1 Hz measurement bandwidth) |
| Broadband Noise | typ. -153 dBc (CW, f = 1 GHz, >5 MHz carrier spacing, 1 Hz measurement bandwidth) |
| Harmonics | < -30 dBc |
| Non-Harmonic Spurious (CW, f ≤ 3 GHz, > 10 kHz offset) | < -70 dBc |
I/Q Modulation
| Parameter | Value |
|---|---|
| I/Q Modulation RF Bandwidth | 200 MHz |
| ACLR Performance | typ. +69 dB for 3GPP FDD (test model 1, 64 DPCHs) |
Internal Baseband Generator
| Parameter | Value |
|---|---|
| Internal Baseband Bandwidth | Up to 80 MHz |
| Memory Size (ARB) | Up to 64 MSamples |
| Realtime Signal Generation | Supported (e.g. 4 code channels for 3GPP FDD) |
| Digital Modulation Formats | EUTRA/LTE, 3GPP FDD, GSM/EDGE, GPS (option dependent) |
Connectivity and Interfaces
| Parameter | Value |
|---|---|
| Remote Control Protocols | GPIB, LAN |
General Specifications
| Parameter | Value |
|---|---|
| User Interface | Graphical user interface with block diagram signal flow, built-in transients recorder, and context-sensitive help |
RF Output
| Parameter | Value |
|---|---|
| Output Impedance | 50 Ω |
| RF Connector | N female |
Configuration Options
| Parameter | Value |
|---|---|
| Frequency Options | SMJ-B103 (100 kHz to 3 GHz), SMJ-B106 (100 kHz to 6 GHz) |
Analog Modulation
| Parameter | Value |
|---|---|
| Pulse Modulation On/Off Ratio | > 80 dB |
| Pulse Modulation Rise/Fall Time | < 20 ns (10 ns typical) |
Reference Frequency
| Parameter | Value |
|---|---|
| External Reference Input Frequency | 10 MHz |
| Reference Output Frequency | 10 MHz |
Baseband Generator
| Parameter | Value |
|---|---|
| Baseband DAC Resolution | 16 bit |
Environmental
| Parameter | Value |
|---|---|
| Operating Temperature Range | +5 °C to +45 °C |
Technology
RF Vector Signal Generation
Applications
Research, Development and Production Test of Wireless Communications