Measuring Instruments

Field Strength Meter

Field Strength Meter: The Field Strength Meter is used to measure the radiation intensity from a transmitting antenna at a given location. With its own small antenna, it is essentially a simple receiver with an indicator. The wavemeter circuit with a rectifier-meter indicator, as shown in Fig. 10.2(a), is often equipped with a small whip …

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Output Power Meters

Output Power Meters: The Output Power Meters is designed to directly measure the output power in an arbitrary load. The instrument provides a set of resistive loads to be selected for power measurements. In addition to power, the output meter can be used to measure impedance and frequency response characteristics. A simple circuit is illustrated …

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