The Advantest U4342N RF Field Analyzer is a portable instrument for precise RF signal analysis across telecommunications, RF design, and EMC testing applications. Operating from 9 kHz to 2.2 GHz with 75 Ω input impedance, it delivers 100 dB display dynamic range and sensitivity to ≤16 dBµV at 30 MHz. The integrated 20 dB pre-amplifier, tracking generator (100 kHz to 2.2 GHz), and specialized demodulation functions—including TDMA-TDD waveform observation and TV picture/sound demodulation—enable comprehensive field measurements. A 6-inch color TFT LCD with ±15° tilt adjustment provides clear visibility in variable lighting. Dual PCMCIA memory card slots store settings and measured data with dust-proof protection. The unit operates on AC (100/230 V), DC (+10 to +16 V), or an internal battery pack delivering approximately 2 hours runtime with 1-hour recharge time. Measuring 148 (H) × 291 (W) × 330 (D) mm and weighing 6.8 kg without battery, it meets demanding field portability requirements while maintaining performance across +0°C to +50°C operating temperatures.
Technical Specifications
• Frequency Range: 9 kHz to 2.2 GHz
• Input Impedance: 75 Ω
• Display Dynamic Range: 100 dB
• Sensitivity: ≤16 dBµV at 30 MHz (reference -10 dBm at 20–30°C)
• Pre-Amplifier Gain: 20 dB (integrated)
• Tracking Generator Output: 100 kHz to 2.2 GHz; harmonic distortion <−20 dBc; non-harmonic distortion <−30 dBc; VSWR ≤1.5 (100 kHz to 2 GHz), ≤2.0 (100 kHz to 2.2 GHz)
• Power Supply: 100/230 V AC; +10 to +16 V DC; battery pack (~2 hours operation, 1-hour recharge)
• Display: 6-inch color TFT LCD, ±15° tilt
• Dimensions: 148 (H) × 291 (W) × 330 (D) mm
• Weight: 6.8 kg (without battery); 9 kg (with battery)
• Operating Temperature: +0°C to +50°C, ≤85% RH (non-condensing)
• Storage Temperature: −20°C to +60°C, ≤85% RH (non-condensing)
– Key Features
• TDMA-TDD waveform observation with single-slot burst analysis (625 µs) and ID-triggered sweep initiation; demodulated CI, CS-ID, and PS-ID display
• TV demodulation function for picture/sound analysis in broadcast IF and CATV uplink bands
• Frequency characteristic measurement via tracking generator; impedance matching and return loss evaluation via directional coupler
• Dual PCMCIA memory card slots (JEIDA Ver. 4.1/PCMCIA Rel. 2.0) with dust-proof shutters for panel and data storage
• Reduced dB measurement capability
– Typical Applications
• Telecommunications signal verification
• RF impedance and return loss characterization
• EMC field testing and compliance verification
• Broadcast and CATV system analysis
– Compatibility & Integration
• PCMCIA memory card storage (JEIDA Ver. 4.1/PCMCIA Rel. 2.0) for field data portability
• Multi-voltage DC input (+10 to +16 V) for varied power distribution systems

















