Hi

I have recently fitted an electron microscope with an beam blanker. To cut a long story short, I extract a 6 volt p2p sawtooth analogue
signal from the microscope and feed it to a blanker controller which blanks the beam when the signal is greater than 5 volts. However I need
more control over the timing and duration of the blanking for my experimental work. Can anyone help me out on a design for a circuit that
would allow me to manipulate the amplitude and phase/delay of the saw signal? Importantly this needs to operate over a large range of
frequencies. Or would it be simpler to convert the saw to digital signal and then manipulate it?

regards Steve