Fm - continued: frequency ratios, Ratio = 2:1, Tipt p – Tiptop Z3000 Smzrt VCO User Manual
Page 16

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.