Keysight 5345A Frequency Counter
Keysight 5345A is a high-performance universal counter measuring frequency and time intervals from DC to 500 MHz with 2 ns timing resolution and expandable to 40 GHz.
Product details
| Model | 5345A |
| Manufacturer | Keysight |
| Category | Frequency Counters |
| Availability | Made to order |
Description
Overview
The Keysight 5345A is a high-performance universal counter designed for microwave and millimeter-wave frequency measurement. Operating from DC to 500 MHz, it makes comprehensive measurements including frequency, period, totalization, ratio, and time interval. The instrument features 2 ns single-shot timing resolution, improving to 2 ps with averaging.
The 5345A mainframe accommodates additional microwave products, including the 5355A Automatic Frequency Converter (extending operation to 1.5 GHz) and the 5356C Converter Head (for measurements to 40 GHz), providing an expandable range of capabilities for characterizing complex radar systems and components.
Key Features
- Frequency range: DC to 500 MHz (expandable to 40 GHz with optional converters)
- Single-shot timing resolution: 2 ns (2 ps with averaging)
- High measurement throughput: 9000+ measurements per second
- Frequency resolution: 9 digits per second
- Input sensitivity: 25 mV
- Flexible external gating capabilities
- Automatic averaging improves measurement accuracy
- Standard high-stability timebase
Applications
- Radar system and component characterization
- Microwave frequency and timing measurements
- Research and development testing
- Complex signal analysis
Specifications
| Frequency Range | DC to 500 MHz (expandable to 40 GHz) |
| Timing Resolution | 2 ns single-shot (2 ps with averaging) |
| Frequency Resolution | 9 digits per second |
| Input Sensitivity | 25 mV |
| Measurement Throughput | 9000+ measurements per second |
| Expandable With | 5355A Converter (1.5 GHz), 5356C Converter Head (40 GHz) |
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Keysight 5345A Frequency Counter