Repair and Service Evaluation for HP/Agilent N9340A, N9342C, N9343C, and N9344C Portable Spectrum Analyzers
The HP/Agilent N9340A, N9342C, N9343C, and N9344C are portable spectrum analyzers engineered for field measurement applications across RF component testing, spectrum analysis, and signal troubleshooting. This repair and service evaluation provides critical assessment of operational status, identifies necessary repairs, and delivers detailed cost estimations to maintain equipment reliability and performance.
Technical Specifications
Frequency Coverage
• N9340A: 100 kHz to 3 GHz
• N9342C: 100 kHz to 7 GHz
• N9343C: 100 kHz to 13.5 GHz
• N9344C: 100 kHz to 20 GHz
Measurement Bandwidth & Resolution
• Resolution Bandwidth (RBW): 10 Hz to 3 MHz in 1-3-10 sequence
• Video Bandwidth (VBW): 1 Hz to 3 MHz in 1-3-10 sequence
• Frequency Span: 10 Hz to full range, minimum 10 Hz span
Performance Metrics
• Displayed Average Noise Level (DANL): Typically -144 dBm/Hz at 1 GHz (preamplifier off); -150 dBm/Hz at 1 GHz (preamplifier on)
• Amplitude Accuracy: ±1.0 dB typical within specified temperature and power levels
• Third-Order Intercept (TOI): Typically +13 dBm at 1 GHz
• Phase Noise: Model-dependent specification limits
– Key Features
Measurement Capabilities
Spectrum analysis, channel power, adjacent channel power, occupied bandwidth, AM/FM signal analysis (with option), and phase noise measurement.
Connectivity & Control
RF input via Type N female connector; 10 MHz external reference input; trigger and external detector inputs via BNC; USB host and device ports; optional LAN (Ethernet) for remote control and data transfer; VGA output for external displays.
Physical Design
205 mm (H) × 308 mm (W) × 147 mm (D); 4.0 kg without battery; 6.5-inch color LCD display; rechargeable lithium-ion battery pack with AC adapter.
Operating Environment
Operating temperature 0 °C to 50 °C; storage temperature -40 °C to 71 °C; up to 95% relative humidity non-condensing. Compliant with CE, UL, CSA, and CISPR standards.
– Typical Applications
RF component validation, broadband spectrum analysis, field signal troubleshooting, and portable measurement in diverse operational settings.
