Harris DIGIT 55 watt 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 Operation¹

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

¹Laboratory grade generators/demodulators.