April Instrument Model 8003 Signal Generator Specification Model 8003, 2-20 GHz Frequency Range: 2 to 20 GHz (Click on graph to view larger version)    (Click on graph to view larger version)    Resolution: 1 MHz Accuracy: +/- 10 MHz1 Drift/time: see graph at right Spectral Purity SSB phase noise: < - 80 dBc, (20 KHz offset)2 Harmonics: (Typical high level in segment) f  (GHz) 2nd (dBc) 3rd (dBc) 2 - 3 -11 -13 3 - 4 -17 -16 4 - 5 -18 -18 5 - 6 -12 -20 6 - 7 -13 -21 7 - 8 -25   8 - 9 -16   9 - 10 -17   10 - 11 -21   Spurious: - 60 dBc (Typical) Power Output Unleveled: > + 10 dBm   (> + 13 typical) Modulation (External FM modulation only) FM • Rates....................... DC to 200 KHz • Deviations............... 0 to 10 MHz • Sensitivity................ 5 MHz / V • Input impedance.... 50 ohm Remote Programming TTL Compatible: 5 digit BCD, 1 latch control line, 25 pin female, D type connector General Power requirement: 90 - 250 Vac, 50 - 60 Hz, 30 watts Dimensions: H 3.47, W 8.13, L 16 inches (8.81 x 20.65 x 40.64 cm) Weight: 7.5 lbs. (3.4 kg.) Operating temp: 0 to 40 degrees C. Non-operating temp: - 20 to +70 degrees C. 1 May take several minutes to achieve for the largest frequency steps. 2 Normal switching mode, SSB phase noise will be degraded in the fast mode. © 2018 April Instrument, Inc.