Advantest R3361A Spectrum Analyzer (9 kHz – 2.6 GHz)

The Advantest R3361A is a high-performance spectrum analyzer covering a frequency range of 9 kHz to 2.6 GHz, designed for RF signal analysis in wireless communications, broadcasting, EMI/EMC testing, and RF component evaluation. It delivers high sensitivity, excellent frequency stability, and a user-friendly interface, making it suitable for both laboratory and field applications.

With fast sweep speeds, wide dynamic range, and advanced measurement capabilities, the R3361A ensures accurate spectrum analysis, detection of spurious emissions, and evaluation of modulated signals. Its high-resolution CRT display, marker functions, and flexible filtering options further enhance its usability in various RF testing scenarios.

Key Features & Benefits

1. Broad Frequency Coverage (9 kHz – 2.6 GHz)

• Provides accurate RF signal analysis across a wide spectrum.
• Suitable for wireless communications, RF component testing, and EMI/EMC analysis.

2. High Sensitivity & Dynamic Range

• Displayed Average Noise Level (DANL): < –110 dBm (typical)
• Spurious-Free Dynamic Range (SFDR): > 80 dB
• Resolution Bandwidth (RBW): 30 Hz to 1 MHz
• Video Bandwidth (VBW): 1 Hz to 1 MHz

3. Fast & Accurate Signal Analysis

• Fast sweep speeds improve measurement efficiency.
• High accuracy and frequency stability for precise RF evaluation.

4. Advanced Measurement Capabilities

• Occupied Bandwidth (OBW) & Adjacent Channel Power Ratio (ACPR) for transmission analysis.
• Harmonic & Spurious Analysis for detecting unwanted emissions.
• Carrier-to-Noise Ratio (C/N) & Signal Strength Measurements for detailed signal assessment.

5. User-Friendly Interface & Display

• High-resolution CRT display for clear spectral visualization.
• Multiple marker & trace functions for enhanced signal tracking.

6. Versatile Connectivity & Data Management

• GPIB & RS-232 interfaces for remote control and automation.
• Internal memory for storing and recalling measurement data.

Applications

• Wireless Communication Testing – RF module verification, signal integrity analysis.
• EMI/EMC Compliance Testing – Ensuring compliance with regulatory standards.
• Broadcast Signal Monitoring – TV and radio transmission assessment.
• RF Component & Circuit Testing – Antennas, amplifiers, and filters.
• General-Purpose Spectrum Analysis – Research, education, and production testing.

The Advantest R3361A Spectrum Analyzer is a powerful and reliable RF measurement tool, offering high sensitivity, fast sweep speeds, and a broad range of measurement functions. It is an ideal choice for RF engineers and technicians working in wireless communications, broadcast analysis, and EMI/EMC compliance testing.

Specifications

General Specifications

• Model: Advantest R3361A
• Type: Spectrum Analyzer
• Frequency Range: 9 kHz to 2.6 GHz
• Tuning Resolution: 1 Hz

Frequency Characteristics

• Resolution Bandwidth (RBW): 30 Hz to 1 MHz (1-3-10 step selectable)
• Video Bandwidth (VBW): 1 Hz to 1 MHz
• Frequency Span: 0 Hz (zero span) to 2.6 GHz
• Frequency Accuracy: ±1 × 10⁻⁶ / year
• Phase Noise: < –85 dBc/Hz @ 10 kHz offset (typical)

Dynamic Range & Sensitivity

• Displayed Average Noise Level (DANL): < –110 dBm (typical)
• Third-Order Intercept (TOI): +10 dBm typical
• 1 dB Compression Point (P1dB): +5 dBm typical
• Spurious-Free Dynamic Range (SFDR): > 80 dB

Measurement & Analysis Features

• Occupied Bandwidth (OBW)
• Adjacent Channel Power Ratio (ACPR)
• Spurious & Harmonic Analysis
• Carrier-to-Noise Ratio (C/N)
• Peak & Average Power Measurements

Sweep & Triggering

• Sweep Time: 50 ms to 1000 s
• Sweep Mode: Continuous, Single
• Triggering: Free Run, External

Display & User Interface

• Display: High-resolution CRT screen
• Markers & Cursors: Multiple markers for detailed signal analysis
• User Interface: Graphical, menu-driven with soft keys

Connectivity & Data Management

• Interfaces:
  • GPIB (IEEE-488.2) – For remote control and automation
  • RS-232C – For external communication
• Data Storage: Internal memory for measurement storage

Physical & Environmental

• Form Factor: Benchtop
• Power Requirements: AC 100-240V, 50/60 Hz
• Operating Temperature: 0°C to 50°C
• Weight: Approximately 12 kg (26.4 lbs)
• Dimensions: 320 mm × 170 mm × 400 mm

Applications

• Wireless Communications Testing – RF module and network verification
• EMI/EMC Compliance Testing – Regulatory compliance testing
• Broadcast Signal Monitoring – TV and radio transmission quality assessment
• RF Component & Circuit Testing – Filters, amplifiers, and antennas
• General-Purpose Spectrum Analysis – Research, education, and production testing