_____ is an instrument which provides different types of waveforms whose frequency values can be varied and adjusted overa wide range (1HZ to several hundred KHZ)
_______ is heart of the Oscilloscope
_____ oscillator is used in the AF sine & square wave generator
_______ wave analyzer is designed to measure the frequencies of audible range i.e 20Hz to 20KHz
A measuring device which measures & converts non electrical variable into electrical variable is known as ________
______ is an instrument designed to provide graphical display of the spectrum of frequencies on the CRT with amplitude of signal vs frequency