Block: SinGen



PIC




Inports


A

Amplitude



f

Frequency






Outports


u

Sine wave output






Mask Parameters


fmax

Maximum Frequency in Hz



Offset

Offset



Phase

Phase [-Pi..Pi]



ts_fact

Multiplication factor of base sampling time (in integer format)




Description:

Generation of a sine wave with amplitude (A) and frequency (f).

Calculation fixed point implementation:

uk = Ak sin (2fkfmaxkTs + ϕphase) + Aoffset

For sine calculation a lookup table with 256 entries is used. This results in a short computation time but with the downside of reduced accuracy for the FiP32 implementation.

Calculation floating point implementation (parameter f_max is ignored):

uk = Ak sin (2πfkkTs +  ϕphase) + Aoffset

Implementations:
FiP16 16 Bit Fixed Point Implementation
FiP32 32 Bit Fixed Point Implementation
Float32 32 Bit Floating Point Implementation
Float64 64 Bit Floating Point Implementation

Implementation: FiP16


16 Bit Fixed Point Implementation



Inports Data Type


A

int16



f

int16






Outports Data Type


u

int16




Implementation: FiP32


32 Bit Fixed Point Implementation



Inports Data Type


A

int32



f

int32






Outports Data Type


u

int32




Implementation: Float32


32 Bit Floating Point Implementation



Inports Data Type


A

float32



f

float32






Outports Data Type


u

float32




Implementation: Float64


64 Bit Floating Point Implementation



Inports Data Type


A

float64



f

float64






Outports Data Type


u

float64