Analog low frequency multiplier?

Posted on 2017-04-26 18:29:00 in Engineering by ANDRE

I'm building a quotation pedal and I want it to do octave up, octave down, and hopefully major third and perfect fifth. These require the original signal to be multiplied by 2, 1/2, 1.25, and 1.5 respectively. 

My questions are these: 

1) has anyone made such a pedal using multiplier ic's, is this even possible? 
2) are there any frequency multipliers out there that can multiply frequencies by non-integers? 
3) Does anyone know of a frequency multiplier ic that works at low frequencies? (50Hz to 1.5kHz) 

Thanks!

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