Is there a name for a radio transmitter with a sine wave output?

Question

Electronics

Is there a special name for transmitters with a sine wave output waveform?
After all, it is possible, for example, to transmit at a frequency of a rectangular, triangular shape, correct me if I'm mistaken?
that is, I send let's say one to the "unmodulated signal transmitter" it produces a sinusoid with the exact frequency N on the air. I do not send a unit - the transmitter does not send anything. Such a transmitter each time sends a sinusoid from "0" degrees or as it should?
What terms should be used?

Answer 1

CW transmitter ,
CW transmitter https://en.wikipedia.org/wiki/CW
transmitter https://eax.me/cw-transmitter/

Answer 2

After all, it is possible, for example, to transmit at a frequency of a rectangular, triangular shape, correct me if I'm mistaken?

Any periodic signal can be decomposed into a combination of sinusoidal signals of different frequencies and amplitudes (by Fourier transform), including rectangular and triangular. Those. any transmitter is, in a sense, the sum of transmitters with sinusoidal output signals.

Answer 3

Are you talking about amplitude modulation or what?
anything can be transmitted by frequency, the main thing is to understand why it is needed.
pliz write fully what you want.