Can a transistor be used to interrupt a signal? I know a common use is to switch power to another device. But my question is if I have a PWM signal applied to the emitter and the base pulled up, will the PWM signal make it through the transistor to the receiving device? Will pulling the base low disable the signal? Is there a better way to accomplish this interrupt without a relay?
To clarify, the signal is coming from a 3rd party device (RC receiver) and is used to control an ESC. I want to place a microcontroller in between to cut the signal off for certain conditions.