Figure 2-11.—Typical microwave transmitter.
signal-to-noise ratio. The insertion amplifier accepts
portion of the output power back to the klystron to
the signal, amplifies it, and then applies the signal to the
compensate for its nonlinearity. This technique allows
klystron oscillator. With this method, the input signal
for optimum performance with modulation densities as
directly modulates the carrier frequency, resulting in a
high as 1200 channels. You should be aware that solid-
frequency-modulated wave. The “linearize” couples a
state devices are replacing most klystrons.
2-11
