4
votes
2answers
293 views

Frequency multiply a digital signal using pure digital ciruitry (i.e. without PLL)?

Is it possible to multiply the frequency of a digital signal using digital components alone, and at the same time, preserve the duty cycle? I could finally come across the circuit below: it doubles ...
5
votes
4answers
321 views

Common Analog Signal Frequencies

I'm trying to scope out what frequencies different common analog signals are. The DPScope design specs provides a list of common lower (sub 1 MHz) frequencies (copied below). audio (20 kHz) ...
2
votes
2answers
425 views

Maximum input frequency of 74HC Logic gates

I have a clock that is running at 25.175MHz I want to run that signal through some basic logic gates from the 74HC series. I have looked on the datasheet for the 74HC08 (AND Gate), I can't seem to ...
4
votes
2answers
434 views

Odd number frequency divider

Important note: You are not helping me do my homework. This is for a competition for engineering students, that encourages you to "use your network" ;) I've got this pattern for a frequency divider ...