Advantest R3553

The Advantest R3553 is a spectrum analyzer that measures signal magnitude across a wide frequency range with exceptional sensitivity and speed. Operating from 100 kHz to 3.6 GHz, it delivers input sensitivity to –145 dBm and sweep speeds as fast as 5 µs/div, making it suitable for RF characterization, signal monitoring, and frequency-domain analysis across communications, defense, and component testing applications.

– Technical Specifications

• Frequency Range: 100 kHz to 3.6 GHz
• Input Sensitivity: –145 dBm
• Sweep Speed: As fast as 5 µs/div
• Gated Sweep Function: Available
• Digital Readout: Supported
• Memory Card Function: Available
• BASIC Controller Function: Available
• RF Input Impedance: 50 Ω (nominal)
• Power Supply: Auto-selects 100 or 220 VAC; 90–132 V (100 VAC), 198–250 V (220 VAC); max. 400 VA; 48–440 Hz (100 VAC), 48–66 Hz (220 VAC)

– Key Features

• Gated sweep capability for triggered measurement sequences
• Video output (1 Vp-p composite, 75 Ω BNC, rear panel) for external display integration
• External trigger input (TTL level, 10 kΩ DC-coupled BNC)
• Gate input control for sweep start/stop via TTL logic levels
• Dual-supply probe power: ±15 V @ 150 mA max per rail
• Demodulated audio output (0.2 W @ 8 Ω) via front-panel monophonic jack
• Programmable via GPIB and RS-232C serial interface
• Modulation accuracy interface for advanced measurement validation

– Physical & Environmental

• Mass: 22 kg (excluding options and accessories)
• Dimensions: 177 mm (H) × 353 mm (W) × 450 mm (D)
• Operating Temperature: 0 to 50°C
• Storage Temperature: –20 to 60°C
• Humidity: ≤85% RH
• Requires horizontal mounting; maintain 10 cm minimum clearance around air vents; protect from thermal shock, vibration, and electromagnetic interference

– Compatibility & Integration

• Preselector Option 07 provides interface support for the R3553 Preselector
• N-type female RF connector (50 Ω nominal)