Rohde Schwarz FS315 Spectrum Analyzer (9 kHz – 3 GHz)

The Rohde Schwarz FS315 is a compact and high-performance spectrum analyzer designed for RF signal analysis in wireless communications, broadcasting, EMI/EMC testing, and general RF measurements. Covering a wide frequency range from 9 kHz to 3 GHz, this analyzer delivers precise measurements, excellent sensitivity, and fast sweep speeds, making it suitable for both laboratory and field applications.

With its high dynamic range, low phase noise, and advanced measurement functions, the FS315 enables accurate spectrum analysis, interference detection, and signal quality evaluation. Its lightweight and portable design, intuitive user interface, and bright LCD display make it an ideal solution for engineers and technicians working in RF environments.

Key Features & Benefits

1. Wide Frequency Range (9 kHz – 3 GHz)

• Ideal for wireless communication testing, RF component analysis, and EMI/EMC diagnostics.
• Covers a broad spectrum of applications, from low-frequency signals to high-frequency RF testing.

2. High Sensitivity & Dynamic Range

• Displayed Average Noise Level (DANL): < –110 dBm (typical)
• Spurious-Free Dynamic Range (SFDR): > 80 dB
• Resolution Bandwidth (RBW): 300 Hz to 10 MHz
• Video Bandwidth (VBW): 1 Hz to 10 MHz

3. Fast & Precise Signal Analysis

• Fast sweep speeds enhance efficiency in RF testing.
• Low phase noise performance ensures reliable signal measurements.

4. Advanced Measurement Capabilities

• Occupied Bandwidth (OBW) & Adjacent Channel Power Ratio (ACPR) analysis.
• Harmonic & Spurious Analysis for interference detection.
• Carrier-to-Noise Ratio (C/N) & Signal Strength Measurements for in-depth signal evaluation.

5. Portable & User-Friendly Design

• Lightweight and compact form factor, ideal for field testing.
• Bright LCD display with intuitive menu navigation.

6. Connectivity & Data Management

• USB, GPIB, and RS-232 interfaces for remote operation and data transfer.
• Internal storage for measurement data and trace recall.

Applications

• Wireless Communication Testing – RF module and network verification.
• EMI/EMC Compliance Testing – Regulatory compliance evaluation.
• 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 Rohde Schwarz FS315 Spectrum Analyzer is a versatile and powerful RF analysis tool, offering high sensitivity, fast measurement speeds, and a user-friendly design. Whether used for wireless communication testing, broadcast signal monitoring, or EMI/EMC diagnostics, the FS315 is an excellent choice for professionals in the field of RF engineering.

Specifications

General Specifications

• Model: Rohde Schwarz FS315
• Type: Spectrum Analyzer
• Frequency Range: 9 kHz to 3 GHz
• Tuning Resolution: 1 Hz

Frequency Characteristics

• Resolution Bandwidth (RBW): 300 Hz to 10 MHz
• Video Bandwidth (VBW): 1 Hz to 10 MHz
• Frequency Span: 0 Hz (zero span) to 3 GHz
• Frequency Accuracy: ±1 × 10⁻⁶ / year
• Phase Noise: < –90 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: 10 ms to 1000 s
• Sweep Mode: Continuous, Single
• Triggering: Free Run, External

Display & User Interface

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

Connectivity & Data Management

• Interfaces:
  • USB – For external storage and connectivity
  • 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: Portable, lightweight design
• Power Requirements: AC 100-240V, 50/60 Hz
• Operating Temperature: 0°C to 50°C
• Weight: Approximately 7 kg (15.4 lbs)
• Dimensions: 315 mm × 175 mm × 365 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