The Anritsu MA2445D is a high-accuracy diode power sensor engineered for precise power measurements across 10 MHz to 50 GHz. It delivers an 87 dB dynamic range and 3.5% linearity across the full frequency span, making it suitable for both CW and TDMA measurement applications. The sensor integrates a built-in 3 dB attenuator to minimize input VSWR and stores calibration factors in EEPROM for automatic interpolation by compatible power meters.
Technical Specifications
• Frequency Range: 10 MHz to 50 GHz
• Power Range: −67 dBm to +20 dBm
• Dynamic Range: 87 dB
• Sensor Linearity: 3.5% from −67 dBm to +15 dBm; additional 1% accuracy above +15 dBm
• Rise Time: <0.004 ms (4 µs)
• RF Connector: V(m) with precision coupling nut for torque wrench attachment
• Internal Attenuator: 3 dB built-in attenuation
– SWR Performance by Frequency Band
• <1.90 at 10–50 MHz
• <1.17 at 50–150 MHz
• <1.08 at 0.15–2 GHz
• <1.16 at 2–12.4 GHz
• <1.21 at 12.4–18 GHz
• <1.29 at 18–32 GHz
• <1.44 at 32–40 GHz
• <1.50 at 40–50 GHz
– Key Features
• High-accuracy diode sensor design optimized for low measurement uncertainty across 87 dB dynamic range
• Sub-microsecond rise time (4 µs) enables rapid settling for time-domain measurements
• EEPROM-based calibration with automatic meter compensation eliminates manual correction overhead
• Low VSWR achieved through precision V(m) connectors and integrated attenuator network
• Specified linearity allows confident amplifier characterization from near-noise floor to high-power regimes
– Typical Applications
• Amplifier output power characterization and gain measurement
• CW average power measurement across microwave and millimeter-wave frequencies
• TDMA signal power assessment in mobile communications bands
• High-dynamic-range power monitoring in component and system validation
– Compatibility & Integration
Designed for direct integration with Anritsu ML2430, ML2480, and ML2490 series power meters. EEPROM storage enables automatic calibration data retrieval, eliminating manual lookup procedures.
