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System for measuring spectral characteristics and power
Structural scheme of the measuring system The measuring system is divided into a system with a spectrum analyzer, shown in figure 1. 3, and a power metering system as shown in figure 2. 4. The first is usually used to measure small and medium power levels and analyze the spectrum.
Description
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Structural scheme of the measuring system
The measuring system is divided into a system with a spectrum analyzer, shown in figure 1. 3, and a power metering system as shown in figure 2. 4. The former is commonly used for measuring small to medium power levels and spectrum analysis; the latter is specifically designed for precision power measurement.
Fig. 3. Structural diagram of a measuring system with a spectrum analyzer
Fig. 4. Structural scheme of measuring system with power meter
Key points during measurements
All instruments must be securely connected to a dedicated grounding line; it is strictly forbidden to use the power grid neutral as a protective grounding for the measuring system.
At the output port of the power amplifier, it is recommended to install an isolator;
The value of the attenuator must be selected correctly; it must be ensured that the power entering the measuring device is in a safe range;
The system must be fully heated and calibrated.
The operator must be equipped with an antistatic bracelet;
environmental conditions must meet the requirements of the measurement method.
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