otAD8318 Class Reference
[AD8318 - Logarithmic Detector/Controller, 1 MHz to 8 GHz, 70 dB, AD8318 - Logarithmic Detector/Controller, 1 MHz to 8 GHz, 70 dB]

Class logarithmic Detector/Controller.

#include <otAD8318.h>

Public Member Functions
	otAD8318 ()
void	init (float adc, U32 histCount=32)
void	close ()
void	setFrequencyIndex (U8 f)
U8	frequencyIndex ()
void	setAttenuationIndex (U8 a)
U8	attenuationIndex ()
void	setUserAttenuation (float a)
float	userAttenuation ()
float	currentAttenuation ()
float	currentFrequency ()
float	actualPower ()
float	peakEnvelope ()
float	dBmToMilliWatt (float dBm)
float	mWtoDbm (float mw)
float	dBmToVolt (float dBm)
float	voltToDbm (float voltage)
float	valueTodBm (int value)
S32	evaluate (S32 min_value, S32 max_value, F32 average)

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Constructor & Destructor Documentation

otAD8318.otAD8318 (   )

Create the class

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Member Function Documentation

float otAD8318.actualPower (   )

Return the value of measured power as dBm Returns: Power as dBm

U8 otAD8318.attenuationIndex (   )

Read used attenuation index Returns: Attenuation index

void otAD8318.close (   )

Close the library and free all allocated memory

float otAD8318.currentAttenuation (   )

Get the current selected attenuation. Returns: Attenuation as dBm

float otAD8318.currentFrequency (   )

Get used frequency as MHz Returns: Frequency as MHz

float otAD8318.dBmToMilliWatt (  float  dBm  )

Convert a value from dBM to mW dBm (sometimes dBmW or decibel-milliwatts) is unit of level used to indicate that a power ratio is expressed in decibels (dB) with reference to one milliwatt (mW). Parameters: dBm  Value to convert Returns: mW value

float otAD8318.dBmToVolt (  float  dBm  )

Convert a value from dBm to Volt Parameters: dBm  Value to convert Returns: Volt value

S32 otAD8318.evaluate (  S32  min_value, S32  max_value, F32  average )

Perform the signal evaluation starting from minimum, maximum and average. Parameters: min_value  Minimum value of sampled data max_value  Maximum value of sampled data average  Average value of sampled data Returns: Modulation index based on history

U8 otAD8318.frequencyIndex (   )

Return set frequency selction Returns: Frequency index

void otAD8318.init (  float  adc, U32  histCount = 32 )

Init the class Parameters: adc  AD converter constant to convert a raw value in volt histCount  History buffer size

float otAD8318.mWtoDbm (  float  mw  )

Convert a value from mW to dBm Parameters: mw  Value to convert Returns: dBm value

float otAD8318.peakEnvelope (   )

Return measured current peak envelope power in dBm Returns: PEP as dBm

void otAD8318.setAttenuationIndex (  U8  a  )

Set attenuation index from known values: 0 = User 1 = VAT-20W2+ attenuation at selected frequency 2 = VAT-30W2+ attenuation at selected frequency

void otAD8318.setFrequencyIndex (  U8  f  )

Frequency selection from known values: 0 = 900MHz 1 = 1800MHz 2 = 2200MHz 3 = 3600MHz 4 = 5800MHz 5 = 8000MHz Parameters: f  Frequency index selection 0 to 5

void otAD8318.setUserAttenuation (  float  a  )

Set a user attenuation as dBm. Used when no attenuator profile is selected. Parameters: a  Attenuation value.

float otAD8318.userAttenuation (   )

Read user attenuation Returns: Used attenuation as dBm

float otAD8318.valueTodBm (  int  value  )

Convert a raw value (from ADC) to dBm Parameters: value  Raw value to convert Returns: dBm value

float otAD8318.voltToDbm (  float  voltage  )

Convert a value from Volt to dBm Parameters: voltage  Value to convert Returns: dBm value

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The documentation for this class was generated from the following file:

• otAD8318.h

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