Transcom

Harris Digit Exciter (GPM capable)

55 W. DIGITAL FM EXCITER

 

General

SPECIFICATIONS - HARRIS – DIGIT 55 W. DIGITAL FM EXCITER

General

  Power output                     1 – 55 watts

  RF Output Impedance          BNC, 50 ohms, fully VSWR protected  (automatic foldback)

  Frequency Stability                    + 500 Hz; +300 Hz typical

  Modulation Capability          150%, reference 75 KHz

  AC Power Input             90 – 132 VAC or 198 to 264 VAC, 50/60 Hz, 1-phase

  Physical Dimensions               19” (48.26 cm) W, 12.5” (31.75 cm) D, 7” (17.78 cm) H.

  Weight                             Approximately 35 lbs.  (15.9 kg.)

RF Harmonics/Spurious Output Suppression Meets or exceeds FCC/DOC/CCIR specifications

  Start-up Time              < 1.0 second typical.

  Ruggedness                      IEC 587.

 Standard Wideband Composite Operation

 FM Signal to Noise          16 bit quantization (96 db) below +75 KHz deviation at 400 Hz.  Measured in a DC to 100 KHz bandwidth with a 75 microsecond de-emphasis.  DIN “A” weighting does not exhibit the subsonic noise associated with analog exciters. 

THD                                16 bit linearity (96 dB or 0.016% THD) at 400 Hz.

Synchronous AM          64 dB minimum

Asynchronous AM          80 dB typical

 

Stereo Operationš

   Stereo Separation                65 dB, >75 dB typical, 30 Hz to 15 KHz.  Fixed

  frequency only.

 šLaboratory grade generators/demodulators.