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add SR_UNIT_DECIBEL_VOLT (dBu)

This commit is contained in:
Bert Vermeulen 2012-10-16 23:28:04 +02:00
parent d713e56181
commit 6b86923463
1 changed files with 7 additions and 5 deletions
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12
libsigrok.h
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@ -167,14 +167,16 @@ enum {
SR_UNIT_PERCENTAGE,
SR_UNIT_BOOLEAN,
SR_UNIT_SECOND,
/** Unit of conductance, the inverse of resistance */
/** Unit of conductance, the inverse of resistance. */
SR_UNIT_SIEMENS,
/** An absolute measurement of power, in decibels, referenced to
* 1 milliwatt */
* 1 milliwatt (dBu). */
SR_UNIT_DECIBEL_MW,
/** Measurements that intrinsically, do not have units attached, such
* as ratios, gains, etc
* Specifically, a transistor's gain (hFE) is a unitless quantity*/
/** Voltage in decibel, referenced to 1 volt (dBV). */
SR_UNIT_DECIBEL_VOLT,
/** Measurements that intrinsically do not have units attached, such
* as ratios, gains, etc. Specifically, a transistor's gain (hFE) is
* a unitless quantity. */
SR_UNIT_UNITLESS,
};