Aeroflex IFR 4000 Nav/Comm Test Set - AEROFLEX - #4

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Variable Sweep (Available only in dual and tri-modes) Range 0 to ±30 ìA Sweep Rates 5 to 40 sec Step Size 5 sec Accuracy ±0.5 sec/sweep Phase Shift Range 0 to 120 degrees in 5 degree increments (150 Hz phase relative to 90 Hz) Accuracy ±0.5º G/S MODE TONE FREQUENCY ACCURACY 90 Hz ±0.02% 150 Hz ±0.02% MODULATION CAL 90 and 150 Hz Tones 40% AM , each tone Accuracy ±2% modulation Variable Range 0% to 50% AM (90 and 150 Hz tones) Distortion <2.5% in CAL position G/S DDM Fixed Range ±0, 0.091, 0.175 or 0.400 DDM and tone delete Accuracy ±0.003 DDM (±2.5 ìA) ±3% of setting +10 dBm output level) Variable Range ±0.8 DDM in 0.001 DDM steps Accuracy ±0.0048 DDM (±4.0 ìA) ±3% of setting +10 dBm output level) Phase Shift Range 0 to 120 degrees in 5 degree increments (150 Hz phase relative to 90 Hz) Accuracy ±0.5º MARKER MODE MARKER TONE FREQUENCY ACCURACY 400 Hz ±0.02% 1300 Hz ±0.02% 3000 Hz ±0.02% MODULATION CAL Setting 95% AM Accuracy ±5% modulation Variable (single carrier only) Range 0% to 95% AM Distortion Single Carrier <2.5% in CAL position (-67 to +10 dBm) Tri-Mode <5% in CAL position COMM MODE (COMM AM, COMM FM, COMM SSB) COMM TONE FREQUENCY ACCURACY Pre-set (AM) 1020 Hz ±0.02% Pre-set (FM) 1000 Hz ±0.02% Pre-set (SSB) 1000 Hz / Variable (SSB) 25 to 3000 Hz ±6.25 Hz Variable Steps (SSB) 25 Hz AM MODULATION CAL 1020 Hz tone 30% AM Accuracy ±2% modulation Variable Range 0% to 95% AM (1% steps) Distortion <2.5% in CAL position FM MODULATION CAL 1000 Hz tone 5 KHz deviation Accuracy ±0.5%