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	baudline manual - measurements
		When the fundamental is greater than half the Nyquist frequency the harmonics are zero and the distortion measurements of SNR and SINAD are equal.
		When this happens the value of THD is the same as the SINAD measurement but negative.
		A ratio of the signal to the strongest non signal element (spurious peak).
	www.baudline.com /manual/measurements.html (2951 words)

	Analog Devices: Analog to Digital Converters: Tutorial MT-003: Understand SINAD, ENOB, SNR, THD, THD + N, and SFDR so ...
		SINAD and SNR deserve careful attention, because there is still some variation between ADC manufacturers as to their precise meaning.
		SINAD is often plotted for various input amplitudes and frequencies.
		SINAD is often converted to effective-number-of-bits (ENOB) using the relationship for the theoretical SNR of an ideal N-bit ADC: SNR = 6.02N + 1.76 dB.
	www.analog.com /en/content/0,2886,760%255F%255F91250,00.html (1702 words)

	ComTekk SINAD - Distortion Analyzer
		ComTekk SINAD utilizes the latest in Digital Signal Processing (DSP) technology to accurately measure several key performance characteristics of radio receivers by analyzing the spectral content of a received audio signal.
		The receiver under test is fed with a calibrated RF signal generator, modulated to about 60% with a 1KHz sinewave tone (usually FM).
		Note: ComTekk SINAD is not suitable for, or intended for performance testing of high-fidelity audio equipment.
	comtekk.us /sinad.htm (0 words)

	The versatile sinad meter
		The signal portion of the composite sinad signal is specified to be 1,000Hz.
		The sinad meter can be switched from RMS voltage measurement to sinad measurement to measure the distortion at any power level within the receiver's audio output range.
		The sinad meter also can be used to send a tone over a line (remote control line), while a second sinad meter at the other end measures the tone level.
	mrtmag.com /mag/radio_versatile_sinad_meter (1357 words)

	SINAD :: Radio-Electronics.Com
		SINAD is a measurement that can be used for any communication device to look at the degradation of the signal by unwanted or extraneous signals including noise and distortion.
		Normally a SINAD value of 12 dB is taken as this corresponds to a distortion factor of 25%, and a modulating tone of 1 kHz is used.
		SINAD is a particularly useful measurement format that can be used to determine the performance of a radio receiver under a variety of conditions.
	www.radio-electronics.com /info/receivers/sensitivity/sinad.php (1550 words)

	New Page 2 (Site not responding. Last check: )
		Sinad is however not the whole story,dynamic range and other parameters complete the list.
		Measuring Sinad is however a worthwhile test as this is often quoted in the handbook.
		RF signal generator.A Sinad measuring device.Radio testsets have all of the test instruments in one box or a Sig gen with built in Sinad meter(Farnell PSG1000).An AF counter.A Sinadder 3 which indicates Sinad,this is a very useful little box for other audio testing too.Now grab a coffee !!!.
	homepage.ntlworld.com /tw100uk/Sinad.htm (181 words)

	Measuring receiver sensitivity.
		SINAD is preferred because it takes into account distortion, while 20 dBQ only deals with noise.
		The lower the deviation, the worse the signal to noise ratio is, again degrading the SINAD measurement.
		The 1 kHz tone was chosen presumably because it is the highest modulating tone (and therefore the highest overall modulation bandwidth for a given deviation) that would have both its second and third harmonics fall within the standard 300-3000 Hz audio passband.
	www.repeater-builder.com /tech-info/receiversensitivity.html (634 words)

	Batwing Laboratories :: View topic - SINAD measurement procedure
		I do NOT have a SINAD meter, but I believe to make those kinds of measurements I need a modulated signal, so I set the sig gen for 3 kHz deviation of a 1 kHz tone, cranked the signal level way up, and used that as my reference level.
		Using a SINAD meter and adjusting the deviation of the source signal allows you to easily see the effect as you approach the edge of the IF filters.
		SINAD requires a notch filter and an audio signal generator - so it takes a bit more gear to do (however, most service monitors have all this built in.) However, since there is no switching of a signal on or off, it can be done more rapidly, and is more ameniable to automation.
	batboard.batlabs.com /viewtopic.php?t=37192&view=previous (847 words)

	M. Flom Associates, Inc. - Glossary (Site not responding. Last check: )
		It is expressed as the ratio of the level of two equal level unwanted signals that cause the SINAD produced by the wanted signal 3 dB in excess of the reference sensitivity to be degraded to the standard SINAD, to the reference sensitivity.
		The offset channel selectivity is the ratio of the level of an unwanted signal that causes the SINAD produced by a signal 3 dB in excess of the reference sensitivity to be degraded to the standard SINAD, to the reference sensitivity.
		The signal (frequency) displacement bandwidth is the input signal frequency displacement that reduces the SINAD produced by a signal 6 dB in excess of the reference sensitivity, to the standard SINAD.
	www.mflom.com /mfa_glossary.shtml (1722 words)

	SINAD Measurement Description
		SINAD is one of four measurements available from the Analog Audio measurement.
		SINAD is a receiver audio quality measurement for mobiles.
		The SINAD measurement is used to determine receiver RF sensitivity.
	wireless.agilent.com /rfcomms/refdocs/gsm/meas_sinad_desc.html (238 words)

	[No title]
		A SINAD meter measures the received audio (1kHz or 400Hz) signal and compares it with a pure tone of the same frequency.
		I dont dispute the intention of the answer, but SINAD measures the amplitude of the wanted tone (eg 1 kHz) and compares this amplitude with all the rubbish (eg noise and harmonics etc) that remain when it is notched out.
		A SINAD meter has an internal notch filter that removes the tone, and a RMS detector to measure the left over bits and pieces still coming out.
	www.rfglobalnet.com /forums/Default.aspx?g=posts&t=11777 (321 words)

	Analog Devices : Virtual Design Center : Interactive Design Tools : Utilities: SNR / THD / SINAD calculator
		This calculator computes one of SNR, THD or SINAD from the other two as specified by radio buttons located to the left of the quantity name.
		For the computed / entered SINAD, the corresponding RMS noise and the equivalent number of bits are shown in an output field at right.
		THD, SNR and SINAD are all entered as logarithmic quantities and accuracy suffers if the difference between THD and SNR is more than 20dB.
	www1.analog.com /Analog_Root/static/techSupport/designTools/interactiveTools/utility/snr.html (192 words)

	sinad_exp
		However, the dB scale on the distortion analyser can be used to measure SINAD, the most commonly used measure of signal quality in noise (from which SNR or signal to noise ratio may be extracted if desired).
		Thus the instrument can be used to measure both THD in the case of a single tone passing through an amplifier, or signal to noise ratio (actually SINAD in dB) in the case of a noisy signal.
		Set the attenuator for the DS channel to 0 dB, and measure SINAD for attenuations of 0 to 30 dB on the US channel using 2 dB steps.
	moon.pr.erau.edu /%7Elyallj/ee412/sinad_exp.html (648 words)

	Circuits Online - Forum - 12dB SINAD
		Toen kwam ik de definitie 12dB SINAD tegen.
		SINAD is de verhouding tussen enerzijds signaal + ruis + vervorming en anderzijds de ruis + vervorming.
		Bij 12 dB SINAD is deze verhouding 12 dB bij het opgegeven signaalniveau aan de ontvanger ingang.
	www.circuitsonline.net /forum/view/4530 (156 words)

	New car Sinad to enter the market
		The production of Kish Khodro’s new car, Sinad Coupe has started and will enter the Iranian market in the month of Ordibehesht 1381 (21 April to 21 May 2002), Managing Director of Kish Khodro, Mr.
		The design, body and all parts of this automobile, with the exception of its engine, which is manufactured by the French company, Renault have been produced domestically.
		The meager investment needed for the production of such a car shows that if the private sector is given the opportunity, the automobile industry will have the ability to grow at a much faster pace.
	www.payvand.com /news/02/mar/1071.html (600 words)

	SINAD Measurement Description
		SINAD is a receiver audio quality measurement that is typically used for mobile stations operating on an analog system, such as AMPS.
		SINAD is measured using the test set's Audio Analyzer.
		If you have previously used the Agilent 8920B RF Communications Test Set to measure SINAD, you may notice that the Agilent 8960 Series 10 test set's SINAD value may be lower by up to 0.8 dB when measuring 12 dB SINAD.
	wireless.agilent.com /rfcomms/refdocs/wcdma/wcdma_meas_sinad_desc.php (258 words)

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