pulse generator vs generator

pulse generator and generator both are nouns.

Word	Noun	Adjective	Verb	Adverb
pulse generator	Yes	No	No	No
generator	Yes	No	No	No

As nouns, generator is a hypernym of pulse generator; that is, generator is a word with a broader meaning than pulse generator:

pulse generator: a generator of single or multiple voltage pulses; usually adjustable for pulse rate
generator: an electronic device for producing a signal voltage

pulse generator (noun)	generator (noun)
a generator of single or multiple voltage pulses; usually adjustable for pulse rate	engine that converts mechanical energy into electrical energy by electromagnetic induction
	an apparatus that produces a vapor or gas
	an electronic device for producing a signal voltage
	someone who originates or causes or initiates something