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A7-MXNarrowband / High Resolution ModeInputsa) Refe<strong>re</strong>nceb) Measu<strong>re</strong>ment (3 measu<strong>re</strong>ment inputs - seenon standard options = A7-MY)c) Input levels:d) Max F<strong>re</strong>q diffe<strong>re</strong>nce (Filter off):ConnectorsOutputsa) Counter A channelb) Counter B channelc) Counter external <strong>re</strong>fe<strong>re</strong>nceFilterNominal 3dB BandwidthsFractional f<strong>re</strong>quency multiplicationSelectableMeasu<strong>re</strong>ment <strong>re</strong>solutionRelative f<strong>re</strong>quency diffe<strong>re</strong>nce modeRMS <strong>re</strong>solution (filter 200Hz)Measu<strong>re</strong>d <strong>re</strong>solutionHigh multiplierLow multiplierAnalogue Meter Resolution manually selected from 6 rangesFull scale ranges (decade steps)Time constant (linked to range)Time constant multiplierDisplayed NoiseZero driftPhase diffe<strong>re</strong>nce mode(High <strong>re</strong>solution, Filter 200Hz)RMS <strong>re</strong>solution (single measu<strong>re</strong>ment)Analogue MeterFull scale ranges (decade steps)Displayed noiseZero driftShort-term stability (noise floor)5 or 10MHz sine wave5 or 10MHz sine wave+0dBm to +13dBm into 50ΩLow multiplierHigh multiplierN Type, Front Panel±5x10 -5±5x10 -5±1x10 -5±1x10 -7100kHz squa<strong>re</strong> wave CMOS/TTL (f<strong>re</strong>quency mode)10us pulse CMOS/TTL (phase diffe<strong>re</strong>nce mode)10us pulse CMOS/TTL (phase diffe<strong>re</strong>nce mode)10MHz CMOS/TTLSelectable bandwidth IF filter <strong>re</strong>duces measu<strong>re</strong>ment noise200Hz, 60Hz, 10HzHigh multiplier 10 5Low multiplier 10 3A7-MXUsing internal phase/f<strong>re</strong>q. meter (TIC) and Windows softwa<strong>re</strong>Digits/second1x10 -13 /gate time1x10 -12 /gate time±1x10 -7 to ±1x10 -1220ms to 10sx1, x3, x10
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