The Agilent/Keysight 5354A is a CW microwave frequency counter engineered for precise frequency measurements across the microwave spectrum. This instrument delivers resolution down to 1 nHz and serves applications demanding high-accuracy frequency characterization in communication systems, radar installations, and advanced electronic equipment testing.
– Technical Specifications
Frequency Measurement
• Frequency range: 10 MHz to 40 GHz
• Measurement type: CW (Continuous Wave)
• Resolution: 10 Hz to 1 nHz (LSD Displayed), dependent on gate time and frequency
Accuracy & Stability
• Time base: 10 MHz with aging rate < 3 × 10⁻⁷/month
• Temperature stability: < 5 × 10⁻⁶ over 0 to 50°C
• Line voltage stability: < 1 × 10⁻⁷ for ±10% variation
• Trigger error contribution: (1.4 × Trigger Error + 1 nsec rms) / (Gate Time) × Frequency
Electrical Characteristics
• Input impedance (Channel A): 1 MΩ || <25 pF (×1) and 500 kΩ || <25 pF (×20)
• Input impedance (Channel B): 50 Ω nominal
– Key Features
• Sub-nanosecond resolution enables detection of minute frequency variations
• Tight time base stability ensures long-term measurement confidence
• Dual-channel input architecture accommodates both high-impedance and 50 Ω sources
• Temperature-compensated design maintains accuracy across operating range
– Typical Applications
• RF/microwave circuit characterization and verification
• Radar system frequency validation
• Communication equipment testing and maintenance
• Frequency standard calibration
• Signal source validation across X-band and lower microwave bands
– Compatibility & Integration
The 5354A functions as an automatic frequency converter module. Related configurations show compatibility with mainframe systems such as the HP 8350B, enabling integration into multi-function test benches. Operating and service documentation is available for reference.
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