Tiptop Z3000 Smzrt VCO - Manual (Page 14)

FM - Continued: Modulation Index
Theamountofmodulationappliedtothesecond
oscillatoriscommonlyknownasthemodulation
index.ThemodulationindexiscontrolledbytheFM
knobontheZ3000.
Itisdifficulttocalculatetheactualspectrumofthe
resultingsoundcreatedbythemodulationindex,but
themoremodulationapplied,themorecomplexthe
soundgets,resultinginnoiseandfrequencydrift.
Forexample,increasingthemodulationindexofasine
wavemodulatinganothersinewave,theresulting
waveformchangesfromasinewaveatmodulation
index0(FMknobtoMIN),throughincreasinglymore
complexwaveforms,endingwithnoiseataveryhigh
modulationindex.Thechangefromsoundtonoise
canbequitesudden,soitshouldbenotedthata
smallamountofmodulationcanprovidemore
desirableresults.(Continued...)
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
FMModulationIndex
MIN MAX
FM
‘Safe Zone’