The Anritsu MS2601A is a legacy, high-performance synthesized spectrum analyzer covering the 9 kHz to 2.2 GHz frequency range. Highly accurate and reliable, it is designed for precise RF spectral analysis, offering a wide dynamic range, excellent resolution bandwidth flexibility, and automated measurement functions such as occupied bandwidth and adjacent channel power calculations.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | GP-IB (IEEE-488) |
| Display | 5.5-inch green monochrome CRT |
Physical
| Parameter | Value |
|---|---|
| Power Supply | 100 to 120 V AC / 200 to 240 V AC (selectable), 50/60 Hz, <= 130 VA |
| Operating Temperature | 0 to 50 °C |
| Dimensions (W×H×D) | 320 mm x 177 mm x 450 mm |
| Weight | 16 kg |
Frequency Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 9 kHz - 2.2 GHz |
| Frequency Tuning Resolution | 1 Hz |
| Frequency Span Range | 0 Hz (zero span), 10 kHz - 2.2 GHz |
| Frequency Reference Accuracy | ±2 ppm |
| Frequency Reference Aging Rate | ±2 x 10^-8 per day, ±2 x 10^-6 per year |
| Temperature Stability | ±5 x 10^-6 (0 to 50 °C) |
| Phase Noise | ≤ -90 dBc/Hz (at 10 kHz offset, 1 GHz carrier) |
| Residual FM | ≤ 20 Hz p-p (in 100 ms, span ≤ 2 MHz) |
Resolution and Video Bandwidths
| Parameter | Value |
|---|---|
| Resolution Bandwidth (RBW) Range | 30 Hz - 1 MHz |
| Resolution Bandwidth (RBW) Steps | 1, 3 sequence (30 Hz, 100 Hz, 300 Hz, 1 kHz, 3 kHz, 10 kHz, 30 kHz, 100 kHz, 300 kHz, 1 MHz) |
| Resolution Bandwidth (RBW) Accuracy | ±15% (100 Hz - 1 MHz), ±30% (30 Hz) |
| Selectivity (Shape Factor) | ≤ 15:1 (30 Hz - 100 Hz), ≤ 12:1 (300 Hz - 1 MHz) @ -60 dB to -3 dB ratio |
| Video Bandwidth (VBW) Range | 1 Hz - 100 kHz |
| Video Bandwidth (VBW) Steps | 1, 10 sequence (1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz) |
Amplitude and Dynamic Range
| Parameter | Value |
|---|---|
| Amplitude Measurement Range | -120 dBm to +30 dBm |
| Maximum Safe RF Input Level | +30 dBm (with ≥ 10 dB input attenuation) |
| Displayed Average Noise Level (DANL) | ≤ -120 dBm (1 MHz - 2.2 GHz, 30 Hz RBW, VBW 1 Hz, 0 dB attenuation) |
| Gain Compression (1 dB) | ≥ -5 dBm (at mixer, ≥ 10 MHz) |
| Second Harmonic Distortion | ≤ -75 dBc (-30 dBm input at mixer, ≥ 10 MHz) |
| Third-Order Intermodulation (TOI) | ≤ -75 dBc (-30 dBm input at mixer, ≥ 10 MHz, 100 kHz separation) |
| Display Scale Range | 10, 5, 2, 1 dB/div, Linear (10% of reference level/div) |
| Input Attenuator Range | 0 to 70 dB |
| Input Attenuator Steps | 10 dB |
Measurement Accuracy
| Parameter | Value |
|---|---|
| Frequency Response (Flatness) | ±0.5 dB (100 kHz - 1.5 GHz), ±1.0 dB (9 kHz - 2.2 GHz) |
| Calibration Signal Output Level | -20 dBm |
| Calibration Signal Output Frequency | 100 MHz |
Sweep and Triggering
| Parameter | Value |
|---|---|
| Sweep Time Range | 50 ms - 1000 s |
| Sweep Modes | Continuous, Single, Manual |
| Trigger Types | Free Run, Line, Video, External |
Inputs and Outputs
| Parameter | Value |
|---|---|
| RF Input Connector Type | N-type (female) |
| RF Input Impedance | 50 Ω |
| External Reference Input Frequency | 10 MHz |
| Internal Reference Output Frequency | 10 MHz |
Instrument Functions and Software
| Parameter | Value |
|---|---|
| Marker Functions | Peak Search, Next Peak, Marker to Center, Marker to Ref Level, Delta Marker |
| Number of Traces | 2 (A, B) |
| Occupied Bandwidth (OBW) Measurement | Supported |
| Adjacent Channel Power (ACP) Measurement | Supported |
Internal Memory
| Parameter | Value |
|---|---|
| Save/Recall Capacity (Internal) | 10 panel setups, 10 waveforms |
Options & Accessories
| Parameter | Value |
|---|---|
| Option 01 Tracking Generator Frequency Range | 100 kHz to 2.2 GHz |
| Option 02 PTA Programming Language | PTA BASIC |
| Option 04 QP Detector Bandwidths (6 dB) | 200 Hz, 9 kHz, 120 kHz |
| Option 04 QP Detector Standard Compliance | CISPR Pub. 16 |
Technology
RF Spectrum Analyzer
Applications
Spectral measurements, RF transmitter testing, and general-purpose laboratory analysis