Overview
The Texas Electronics PA-03-3A is a 4-20mA current loop driver board manufactured by Texas Electronics Inc. This circuit board is engineered to convert analog sensor signals into standard 4-20mA current loop format, a critical interface for industrial automation and environmental monitoring systems. The board is optimized for weather station and instrumentation applications requiring reliable long-distance analog signal transmission.
Key Features
- 4-20mA current loop driver with stable signal conversion
- Suitable for weather station and environmental monitoring applications
- Industrial-grade circuit board design
- US-manufactured component with proven field reliability
- Compatible with standard analog data acquisition systems
Technical Specifications
Specific technical parameters for this legacy board are limited in current documentation. Typical 4-20mA drivers of this era feature:
- Output: 4-20mA current loop signal
- Signal input: 0-1V analog input (based on related model variants)
- Mounting: Through-hole PCB component
- Operating temperature: Industrial range (-20°C to +60°C typical)
- Supply voltage: 12-24 VDC nominal
For complete electrical specifications, consult the original product documentation or contact your system integrator.
Typical Applications
- Weather station sensor signal conditioning and transmission
- Industrial process control and monitoring systems
- Environmental data acquisition over 300+ meter distances
- RTD and thermocouple signal conversion to 4-20mA standard
- SCADA and remote telemetry systems
- Analog sensor output standardization in industrial networks
Compatibility & Replacements
Compatible With
- Standard 4-20mA current loop instrumentation systems
- Industrial process control and data acquisition platforms
- Weather station sensor networks requiring analog signal conversion
- PLC and SCADA systems with analog input modules
- Legacy environmental monitoring and telemetry equipment
Replaces / Drop-In Replacement For
The PA-03-3A is a functional equivalent to the PA-03-3B variant. Verify compatibility with your specific application and system integrator before ordering, as legacy circuit board form factors may vary.
Works With
- 4-20mA current loop communication standard
- Industrial analog instrumentation networks
- Standard 24 VDC power supplies
- Weather station data logging and monitoring platforms
- Industrial measurement and control systems
