Anritsu MS2661A 9 kHz to 3 GHz Spectrum Analyzer

The Anritsu MS2661A is a high-performance spectrum analyzer designed for accurate and efficient RF signal analysis across a frequency range of 9 kHz to 3 GHz. Ideal for wireless communication, RF testing, and EMI measurements, the MS2661A delivers high sensitivity, fast sweep speeds, and comprehensive measurement functions to meet the needs of engineers, technicians, and researchers.

Key Features & Benefits

1. Wide Frequency Range & High Sensitivity

• Covers 9 kHz to 3 GHz, making it suitable for a wide range of RF applications.
• High sensitivity for precise low-level signal detection, ensuring accurate measurements even in noisy environments.
• Preamp function (optional) enhances weak signal analysis.

2. Fast & Accurate Signal Analysis

• Fast sweep speeds for efficient measurement of frequency spectra.
• High dynamic range to distinguish between weak and strong signals effectively.
• Excellent phase noise performance ensures precise measurements of modulated signals.

3. Versatile Measurement Functions

• Occupied Bandwidth (OBW), Channel Power, Adjacent Channel Power Ratio (ACPR).
• Harmonic distortion and spurious signal analysis.
• Carrier-to-noise ratio (C/N) and signal-to-noise ratio (SNR) measurements.

4. User-Friendly Interface & Display

• High-resolution LCD screen with clear graphical display of the frequency spectrum.
• Intuitive front-panel controls for easy operation.

5. Connectivity & Data Management

• GPIB & RS-232C interfaces for remote operation and data transfer.
• Internal memory for storing measurement settings and results.

6. Durable & Portable Design

• Compact and lightweight, making it suitable for both lab and field applications.
• Robust build quality ensures long-term reliability.

Applications

• Wireless communication testing – Ensuring signal integrity in RF systems.
• EMI/EMC compliance testing – Detecting electromagnetic interference and emissions.
• Broadcast & RF signal monitoring – Analyzing TV, radio, and telecom signals.
• Aerospace & defense applications – Evaluating radar and satellite signals.
• General research & development – Supporting laboratory RF measurements.

The Anritsu MS2661A Spectrum Analyzer is a versatile, high-performance instrument that delivers precise RF signal analysis across a broad frequency range. Its high sensitivity, advanced measurement functions, and user-friendly design make it an excellent choice for RF engineers, researchers, and technicians involved in wireless communication, EMI/EMC testing, and signal monitoring.

Specifications

General Specifications

• Model: Anritsu MS2661A
• Type: Spectrum Analyzer
• Frequency Range: 9 kHz to 3 GHz
• Resolution Bandwidth (RBW): 100 Hz to 1 MHz (in 1-3-10 sequence)
• Video Bandwidth (VBW): 1 Hz to 1 MHz

Frequency & Accuracy

• Frequency Span: 0 Hz, 100 Hz to 3 GHz
• Frequency Readout Accuracy: ± (span × frequency reference accuracy + 10% of RBW)
• Reference Frequency Accuracy: ±1 × 10⁻⁶ (standard), ±5 × 10⁻⁷ (with optional high-precision reference)

Amplitude Measurement

• Measurement Range: -110 dBm to +30 dBm
• Displayed Average Noise Level (DANL):
  • Preamp OFF: ≤ -100 dBm (10 MHz to 3 GHz)
  • Preamp ON (optional): ≤ -115 dBm (10 MHz to 3 GHz)
• Amplitude Accuracy: ±1.5 dB
• Dynamic Range: 100 dB (typical)

Sweep & Measurement Functions

• Sweep Time: 50 ms to 1000 s (span dependent)
• Phase Noise: -100 dBc/Hz @ 20 kHz offset (typical)
• Measurement Functions:
  • Occupied Bandwidth (OBW)
  • Channel Power Measurement
  • Adjacent Channel Power Ratio (ACPR)
  • Carrier-to-Noise Ratio (C/N)
  • Spurious & Harmonic Distortion Analysis

Display & User Interface

• Display: LCD screen with graphical spectrum representation
• Control Interface: Front-panel buttons and rotary knob for intuitive navigation

Connectivity & Data Storage

• Interfaces: GPIB, RS-232C (for remote control and data transfer)
• Memory: Internal storage for measurement results and settings

Power & Environmental Conditions

• Power Supply: AC 100V to 240V, 50/60 Hz
• Operating Temperature: 0°C to +50°C
• Storage Temperature: -20°C to +60°C

Physical Dimensions & Weight

• Dimensions: 320 mm × 177 mm × 420 mm
• Weight: Approx. 12 kg

Applications

• Wireless communication testing
• RF signal analysis and monitoring
• EMI/EMC compliance testing
• Aerospace and defense applications
• Broadcast and telecom signal evaluation