The Anritsu ML4803A Power Meter paired with the MA4601A Power Sensor delivers precise RF power measurement across an extended frequency spectrum. The ML4803A serves as the indicator and controller, processing sensor data to display measurements in Watts, dBm, or dB with automatic sensitivity correction. This combination supports both coaxial and waveguide measurement configurations, enabling accurate characterization from low frequencies through millimeter wave bands.
Technical Specifications
• Frequency Range: 100 kHz to 90 GHz (dependent on connected power sensor)
• MA4601A Sensor: 100 kHz to 5.5 GHz amorphous power sensor (coaxial-type)
• Display: 4-digit digital readout with over/under range indication; compact analog indicator included
• Measurement Modes: Absolute (W, dBm), relative (dB, %), VSWR (in absolute mode)
• Calibration Oscillator: 50 MHz built-in reference with 0 dB output for sensor sensitivity correction
• Memory: Stores up to 30 frequency/calibration coefficient/offset/reference level combinations; data retained during power-off
• Range Control: Automatic or manual selection with independent range assignment capability
• Sample Rates: Four averaging options available
• Output: DC voltage output proportional to displayed value (1 V full-scale); 1 kΩ output impedance; BNC connector
• Power Supply: AC, DC, or battery operation for field portability
• Interface: GPIB standard; remote control of front panel functions (excluding power switch)
– Key Features
• Automatic sensor sensitivity correction eliminates manual calibration steps
• Quasi-millimeter and millimeter wave measurement capability with waveguide-to-coaxial adapters
• Dual measurement display modes support both absolute and relative power characterization
• Non-volatile memory preserves calibration data across power cycles
• Manual range hold enables fixed sensitivity measurement independent of signal level
– Typical Applications
• RF power characterization in telecommunications systems
• Laboratory power measurement and validation
• Millimeter wave component testing
• Field service and maintenance verification
– Compatibility & Integration
The ML4803A accepts multiple Anritsu power sensor types (coaxial and diode configurations) spanning 100 kHz to 90 GHz. GPIB interface integration enables automated measurement systems and remote instrument control.
