Microwave Communication
If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers

May be decreased
Must be increased
Must be doubled
Must remain as before

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Microwave Communication
As the electron beam moves through a klystron’s intercavity drift space

Density modulation at the input cavity creates velocity modulation at the output cavity
Velocity modulation at the input cavity creates density modulation at the output cavity
Frequency modulation at the input cavity creates velocity modulation at the output cavity
Phase modulation at the input cavity creates velocity modulation at the output cavity.

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Microwave Communication
The Gunn diode oscillator

Depends on the formation of charge domain
Generates frequencies which are below 100 MHz
Operates over a positive resistance characteristic
Is capable of generating continuous microwave power of the order of kilowatt

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