The Amateur Radio Project - Measurements

# Measurements

### Question 27 of 32

The modulation depth of a transmitted AM signal can be measured by

1. a moving coil ammeter in the transmitter output circuit
2. a wattmeter in the transmitter power supply
3. displaying the modulated output waveform on an oscilloscope
4. connecting an S.W.R. meter between the transmitter and the antenna

1 | 2 | 3 | 4

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