Microwave Communication
What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna?

Isolator
Circulator
Simplex
Magnetron

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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
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.
Velocity modulation at the input cavity creates density modulation at the output cavity

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