The Rohde & Schwarz FSQ26 is a high-performance vector signal and spectrum analyzer that seamlessly combines up to 120 MHz of demodulation bandwidth with the impressive dynamic range of a top-tier spectrum analyzer. Operating across a frequency range of 20 Hz to 26.5 GHz, the FSQ26 is highly optimized for complex digital demodulation and vector signal analysis, offering expansive I/Q memory and extensive firmware support for wireless standards.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GPIB, LAN, USB, RS-232 |
| Display | 8.4-inch color SVGA TFT LCD |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 V to 240 V AC, 50 Hz to 400 Hz |
| Operating Temperature | +5 to +40 |
| Dimensions (W×H×D) | 435 × 192 × 460 |
| Weight | 18.4 kg |
Frequency Characteristics
| Parameter | Value |
|---|---|
| Frequency Range | 20 Hz to 26.5 GHz |
Sweep Characteristics
| Parameter | Value |
|---|---|
| Minimum Sweep Time (Frequency Domain) | 2.5 ms |
| Minimum Sweep Time (Time Domain / Zero Span) | 1 μs |
Amplitude and Level Characteristics
| Parameter | Value |
|---|---|
| 1 dB Compression Point | +13 dBm (typ.) |
Dynamic Range and Phase Noise
| Parameter | Value |
|---|---|
| Third-Order Intercept (TOI) | +25 dBm (typ.) |
| Phase Noise (10 kHz offset) | -123 dBc/Hz (typ. @ CF 640 MHz) |
| Phase Noise (10 MHz offset) | -160 dBc/Hz (typ. @ CF 640 MHz) |
| Adjacent Channel Leakage Ratio (3GPP ACLR) | 77 dB (84 dB with noise correction) |
| Adjacent Channel Leakage Ratio (4-carrier scenario) | 77 dB (with noise correction) |
Amplitude Accuracy
| Parameter | Value |
|---|---|
| Total Measurement Uncertainty | 0.3 dB (up to 3.6 GHz) |
| Display Nonlinearity (Linearity Error) | < 0.1 dB (down to -70 dB) |
I/Q Analyzer and Digitizer
| Parameter | Value |
|---|---|
| I/Q Demodulation Bandwidth | 28 MHz (120 MHz optional) |
| I/Q Memory Depth | 16 Msample (I and Q) |
Measurement Speed
| Parameter | Value |
|---|---|
| Remote Measurement Speed | Up to 70 measurements/s (via GPIB) |
| Manual Measurement Speed | Up to 80 measurements/s (screen update) |
Applications and Firmware
| Parameter | Value |
|---|---|
| Supported Wireless Standards | Bluetooth, GSM/EDGE, 3GPP WCDMA, HSDPA, TD-SCDMA, CDMA2000, 1xEV-DV, 1xEV-DO, WLAN 802.11a/b/g/j |
Bandwidth
| Parameter | Value |
|---|---|
| Resolution Bandwidth (RBW) | 10 Hz to 50 MHz |
| Video Bandwidth (VBW) | 1 Hz to 30 MHz |
RF Input
| Parameter | Value |
|---|---|
| Input Impedance | 50 Ω |
| RF Attenuation Range | 0 to 75 dB (5 dB steps) |
| Maximum Input Power (CW) | +30 dBm (with RF attenuation ≥ 10 dB) |
| Maximum Input DC Voltage | 0 V (DC coupled) |
Signal Acquisition
| Parameter | Value |
|---|---|
| Detectors | Max Peak, Min Peak, Auto Peak, Sample, RMS, Average, Quasi-Peak |
Frequency
| Parameter | Value |
|---|---|
| Reference Oscillator Aging | 1 × 10^-6 / year (standard) |
Data Acquisition & Processing
| Parameter | Value |
|---|---|
| Sweep Points | 155 to 30001 |
| Trace Functions | Clear/Write, Max Hold, Min Hold, Average, View |
Trigger
| Parameter | Value |
|---|---|
| Trigger Sources | Free Run, Video, External, IF Power |
Inputs & Outputs
| Parameter | Value |
|---|---|
| External Reference Input Frequency | 1 MHz to 20 MHz (in 1 Hz steps) |
| Reference Output Frequency | 10 MHz |
General Specifications
| Parameter | Value |
|---|---|
| Calibration Interval | 1 year |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -40 °C to +70 °C |
Technology
Vector Signal Analyzer / Spectrum Analyzer
Applications
Digital Demodulation, General Purpose Vector Signal Analysis, Wireless Standard Analysis (Bluetooth, GSM/EDGE, 3GPP WCDMA, CDMA2000, WLAN)