The Tektronix RSA6120A is a high-performance 20 GHz Real-Time Spectrum Analyzer belonging to the RSA6000 series. Designed to address the demanding measurement needs of Ku-band and wideband RF applications, it features outstanding real-time acquisition capabilities up to 110 MHz bandwidth, a spurious-free dynamic range of 75 dB, and DPX spectrum processing. It combines the functionality of a top-tier spectrum analyzer, wideband vector signal analyzer, and real-time trigger-capture-analyze platform in one instrument.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | LAN (10/100/1000 Base-T), GPIB (IEEE-488.2), USB 2.0, TekConnect Probes, VGA |
| Display | 10.4 in (264 mm) color touch-screen LCD, 1024 × 768 (XGA) |
| Warm-up Time | 20 minutes |
| Internal Storage | Removable Hard Disk Drive, ≥160 GB |
| Operating System | Windows XP Professional |
| Calibration Cycle | 1 year |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 90 V AC to 264 V AC, 47 Hz to 63 Hz, maximum 450 W |
| Operating Temperature | +5 °C to +40 °C |
| Dimensions (W×H×D) | 473 mm × 282 mm × 531 mm |
| Weight | 26.4 |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 9 kHz to 20 GHz |
| Real-Time Capture Bandwidth | 40 MHz (Standard), 110 MHz (Optional) |
| Frequency Reference Accuracy | ±1 × 10^-6 (initial accuracy) |
| Aging Rate per Year | ±1 × 10^-6 |
| Temperature Stability | ±1 × 10^-6 |
| Resolution Bandwidth (RBW) Range | 0.1 Hz to 8 MHz (Spectrum Analysis) |
| Swept DPX Sweep Speed | 1 GHz sweep in 10 kHz RBW in less than 1 second |
Amplitude & Sensitivity Specifications
| Parameter | Value |
|---|---|
| Displayed Average Noise Level (DANL) | -151 dBm/Hz at 2 GHz (-167 dBm/Hz with Preamp On, typical) |
| Phase Flatness | ±1.5°rms across 110 MHz |
| Preselection | Fully preselected and image free at all times |
Real-Time & Acquisition Capabilities
| Parameter | Value |
|---|---|
| Minimum Event Duration for 100% POI | 10.3 µs |
| Minimum Trigger Duration | 10.3 µs in Frequency Domain, 20 ns in Time Domain |
| Spurious-Free Dynamic Range (SFDR) | 73 dB |
| Maximum Real-Time Acquisition Time | 1.7 s at 110 MHz Bandwidth |
| A/D Converter Resolution | 14 bits |
| A/D Converter Sampling Rate | 300 MS/s |
Triggering Capabilities
| Parameter | Value |
|---|---|
| Trigger Modes | Free Run, Triggered |
| Trigger Sources | RF Input, Trigger Input (External), Line |
| Trigger Types | DPX Density™, Frequency Mask Trigger (FMT), Time-qualified, Runt |
| Frequency Mask Trigger (FMT) Bandwidth | Up to 110 MHz (option dependent) |
| DPX Density Trigger Activation | Activated directly from the DPX display |
Measurement Modes & Analysis Software
| Parameter | Value |
|---|---|
| Standard Measurement Suite | Channel Power, ACLR, CCDF, Occupied Bandwidth (OBW), Emission Bandwidth (EBW), Spur Search, AM/FM/PM, Power vs. Time |
| EMI Diagnostics | CISPR and MIL-STD -6 dB filters, CISPR Quasi-peak, Average, and Peak detectors |
| Phase Noise & Jitter Analysis | Available with Option 11 |
| Pulse Measurement Parameters | Over 20 Vector and Scalar parameters including Rise Time, Pulse Width, Pulse-to-Pulse Phase (Available with Option 20) |
| Digital Modulation Analysis | Over 20 modulation types including BPSK, QPSK, QAM (Available with Option 21) |
| Software Integration | Tektronix OpenChoice, Excel, MATLAB support |
Input, Output & System Interfaces
| Parameter | Value |
|---|---|
| RF Input Impedance | 50 ohms |
| RF Input Connector Type | Planar Crown (3.5 mm / Type N) |
| Reference Input (10 MHz) | BNC, 50 ohms |
| Reference Output (10 MHz) | BNC, 50 ohms |
| Trigger Output Connector | BNC, 50 Ω |
| Audio Output Jack | 3.5 mm speaker/headphone jack |
Environmental & Compliance
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 °C to +60 °C |
| Operating Humidity Range | 90% relative humidity at +30 °C |
| Maximum Operating Altitude | 3,000 m (9,843 feet) |
Spurious Responses
| Parameter | Value |
|---|---|
| Second Harmonic Distortion | <-80 dBc (10 MHz to 3.1 GHz, typical) |
Environmental
| Parameter | Value |
|---|---|
| Operating Shock | 15 G, half-sine, 11 ms duration |
| Non-Operating Shock | 30 G, half-sine, 11 ms duration |
| Operating Vibration | 0.22 Grms, 5 Hz to 500 Hz |
| Non-Operating Vibration | 2.28 Grms, 5 Hz to 500 Hz |
Power
| Parameter | Value |
|---|---|
| Maximum Power Consumption | 450 W |
| Typical Power Consumption | 350 W |
Inputs & Outputs
| Parameter | Value |
|---|---|
| RF Input VSWR (10 MHz to 3 GHz) | <1.5:1 (10 dB Attenuation, typical) |
| RF Input VSWR (3 GHz to 6.2 GHz) | <1.6:1 (10 dB Attenuation, typical) |
| RF Input VSWR (6.2 GHz to 20 GHz) | <1.9:1 (10 dB Attenuation, typical) |
| Maximum Safe Input Power (Continuous) | +30 dBm (1 W, Attenuation ≥ 10 dB) |
Display
| Parameter | Value |
|---|---|
| Display Resolution | 1024 × 768 pixels |
| Display Size | 10.4 in. (264 mm) |
Filters
| Parameter | Value |
|---|---|
| RBW Filter Shapes | Kaiser (default), Taylor, Nyquist, Root Nyquist, Gaussian |
RF Input
| Parameter | Value |
|---|---|
| Attenuator Range | 0 dB to 75 dB in 5 dB steps |
Interfaces
| Parameter | Value |
|---|---|
| USB Ports | 6 × USB 2.0 (2 front, 4 rear) |
| GPIB Interface | IEEE 488.2 |
| LAN Port | 10/100/1000 Base-T Ethernet (RJ45) |
| External Display Ports | 1 × VGA (D-Sub 15-pin), 1 × DVI-D |
Options
| Parameter | Value |
|---|---|
| Option 05 Analog IF Output Frequency | 500 MHz |
| Option 05 Analog IF Output Bandwidth | 40 MHz (standard) / 110 MHz (with Option 110) |
Technology
Real-Time Spectrum Analyzer
Applications
RF design, Ku-band analysis, radar, electronic warfare, and wireless communication troubleshooting
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