How to Measure Large RF Power Changes Without Switching Sensors

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Wide Dynamic Range Power Sensor
+ Wide Dynamic Range Power Sensor
Wide Dynamic Range Power Sensor
+ Wide Dynamic Range Power Sensor

Measure Changing RF Power Levels

Radio frequency (RF) power can vary significantly as a device moves between operating states, output settings, or test conditions. Measuring these changes can become inefficient when the required power range exceeds what can be conveniently characterized with a single conventional measurement configuration. Engineers may need to interrupt testing to change sensors, introduce or remove attenuation, or reconfigure the measurement path. Each change adds setup time and creates another opportunity for connection-related variation, making it more difficult to compare measurements consistently across the complete test sequence.

A wide dynamic range power sensor allows weak and strong signals to be measured using the same sensor as power changes throughout the test. Engineers can maintain a consistent RF connection while acquiring measurements across different device operating states, reducing the need to physically modify the measurement setup. The same configuration can support comparison of power levels during device characterization, functional verification, and automated testing. Maintaining a common measurement path also simplifies test sequencing and provides a more consistent basis for evaluating how RF output changes with device settings or operating conditions.

Wide Dynamic Range RF Power Measurement Solution

A wide dynamic range measurement architecture enables the sensor to accommodate substantial changes in input power while maintaining a single radio frequency connection to the device under test. Engineers can move through low- and high-power operating conditions without replacing the sensor or repeatedly modifying the measurement path, simplifying test sequences that span substantially different signal levels. The sensor supports both average and peak power measurements, allowing the same hardware to address different power characteristics as the device operating condition changes. Fast acquisition supports repeated measurements across multiple power states, while LAN connectivity enables the sensor to be controlled from a host system without requiring a separate hardware power meter. Measurement software can be used to configure the sensor, monitor results, and record data as the signal level changes. By maintaining a common sensor and measurement path throughout the test, engineers can reduce setup changes, simplify automation, and compare RF power behavior more consistently across device operating states.
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See Block Diagram of Wide Dynamic Range RF Power Measurement Solution

Block Diagram of Wide Dynamic Range RF Power Measurement Solution

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