The HP 5343A is a portable frequency counter delivering precise measurements across 10 Hz to 26.5 GHz. Engineered for demanding RF and microwave applications, this instrument combines wide dynamic range with automatic measurement capability, high FM tolerance, and microprocessor-controlled functionality in a compact form factor.
Technical Specifications
Frequency Range & Resolution
• Measurement range: 10 Hz to 26.5 GHz across two input stages (10 Hz to 500 MHz; 500 MHz to 26.5 GHz)
• Automatic CW measurement: 500 MHz to 26.5 GHz
• 11-digit LED display with selectable resolution from 1 Hz to 1 MHz
Sensitivity & Input
• Input sensitivity: -30 dBm @ 12.4 GHz, >-24 dBm @ 18 GHz, >-18 dBm @ 26.5 GHz
• Maximum input: +7 dBm
• Input impedance: 50 ohms with selectable 50 ohm and 1 Mohm attenuation
Time Base & Stability
• 10 MHz crystal time base standard
• Option 001 provides high-stability time base upgrade
FM Performance
• Wide FM tolerance supporting modulated carriers up to 50 MHz peak-to-peak deviation
– Key Features
• Automatic frequency measurement with 11-digit sectionalized display
• Microprocessor-controlled keyboard enabling mathematical functions including IF offset calculations
• Dual input connectors: BNC and N-type for DC–500 MHz; APC 3.5 mm male for 500 MHz–26.5 GHz
• Portable packaging optimized for field deployment
– Typical Applications
Wide FM tolerance and extended frequency range suit communication system testing, RF component characterization, and microwave signal analysis.
– Compatibility & Integration
• Option 011: GPIB interface for HP-IB system integration
• Option 004: Digital-to-Analog Converter
• Option 006: Limiter Input Protection
• Option 908: Rack Flange Kit (without handles)
