beautypg.com

Fm - continued: frequency ratios, Ratio = 2:1, Tipt p – Tiptop Z3000 Smzrt VCO User Manual

Page 16

background image

FM - Continued: Frequency Ratios

MIN

MAX

MIN

MAX

LOW

HIGH

SYNC

HSM

1V/Oct

1V/Oct

Linear FM

INPUT

PWM

FM 1

LOW

HIGH

Hz

Oct

FM 2

INPUT

CV IN

INPUT

CV IN

CV OUT

INPUT

INPUT

+

+

+

+

EXT IN

FREQUENCY/NOTE/OCTAVE

Tiptp

A u d i o

Z 3 0 0 0

Z 3 0 0 0

Smart VC-Oscillator

FREQUENCY

FINE TUNE

PULSE WIDTH

PWM

FM

MIN

MAX

MIN

MAX

LOW

HIGH

SYNC

HSM

1V/Oct

1V/Oct

Linear FM

INPUT

PWM

FM 1

LOW

HIGH

Hz

Oct

FM 2

INPUT

CV IN

INPUT

CV IN

CV OUT

INPUT

INPUT

+

+

+

+

EXT IN

FREQUENCY/NOTE/OCTAVE

Tiptp

A u d i o

Z 3 0 0 0

Z 3 0 0 0

Smart VC-Oscillator

FREQUENCY

FINE TUNE

PULSE WIDTH

PWM

FM

Modulator@130Hz

Carrier@65Hz

Ratio=2:1

Thefrequencyratiosandmodulationindexdefine

thetoneandharmoniccontentoftheresultingsound.

Specificfrequencyratioswillcreateharmonicand

inharmonicsounds,aspreviouslydescribed,andthe

Z3000allowstheusertopreciselysetthoseratios

inanyofitsthreemodes.

WhileplayinganFMpatchacrossarangeofseveral

octaves,thefrequencyattheseoctavesmaynot

maintainthefrequencyratiothatwassetatanother

octave.Thisvariationinfrequencyisaninherent

featureofanalogVCOs.TheZ3000makesitpossible

toovercomethisissuebyfinetuningthedesired

frequenciesatbothendsoftherangeuntilbothare

setaccordinglyforsmoothharmonicsoundsspanning

severaloctaves.