The JRC NJZ-4000 Application Tester is a compact, one-box instrument engineered for application testing and validation of electronic components, with specialized capability in PCB diagnostics and mobile device characterization. It detects short circuits, open circuits, conductor breaks, track misalignment, and component failures while analyzing circuit board power characteristics through integrated measurement instruments.
Technical Specifications
The platform combines five core measurement engines: a high-precision Pulse Response Analyzer (PRA) for real-time current waveform observation, a Digital Voltmeter (DVM) circuit for DC voltage and current measurement, a Spectrum Analyzer with high resolution for frequency domain analysis and noise detection on linear circuits, a Continuity Tester for open and short circuit detection, and a Temperature Sensor for thermal monitoring during test execution. Output displays measurement data on a four-digit display for operator visibility.
Data logging captures measurement records internally. PC software with intuitive interface enables device configuration. Short-circuit protection and reverse-connection alarm with audio alert safeguard against wiring faults.
– Key Features
• Identifies short circuits, open circuits, missing conductors, track misalignment, and component breaks
• Analyzes power characteristics across circuit boards
• Real-time observation of current waveforms via PRA instrumentation
• High-resolution frequency analysis for noise detection
• Temperature measurement capability during operation
• Built-in data logging for test record retention
• External I/O connectors for EEPROM, A/D converters, and high-speed converter integration
• Serial I/O port for command control and RDS input port for main board RDS reading
• Save and recall functionality for test condition preservation
• Arbitrary authentication key support
• Protocol scenario library with switching capability
• UE status monitoring
– Typical Applications
W-CDMA and HSDPA mobile phone application testing. Supports abnormal condition testing when combined with a full-capable BTS. Enables automatic application testing with external remote command execution. Provides cost-effective application test environment for mobile device validation.
– Compatibility & Integration
Small, lightweight form factor in single-enclosure design. Connects external input/output devices including EEPROMs and analog/digital converters. Serial I/O and RDS input ports enable integration with external control systems and baseband measurement infrastructure.
