POWER OUTPUT: 5000 watts (Rated). Six power levels adjustable between 500-5600 watts. Capable of
lower power PSA/PSSA operation.
RF FREQUENCY RANGE: 531 kHz through 1705 kHz. Supplied to one frequency as ordered.
CARRIER FREQUENCY STABILITY: Crystal control oscillator meets FCC specifications. +/-4 Hz in typical operating
environment.
RF OUTPUT IMPEDANCE: 50 ohms unbalanced.
RF OUTPUT TUNING: Integral network will match a VSWR of 1.5:1 to 1.0:1 at carrier.
RF OUTPUT TERMINAL: 7/8" EIA male/female flange connector.
CARRIER SHIFT: Less than 1% at 100% modulation at 1000 Hz.
RF HARMONICS AND SPURIOUS EMIS-
SIONS:
Exceeds FCC and CCIR specifications.
OTHER EMISSIONS: Meets FCC NRSC 2 when presented with audio signal conforming to NRSC 1
standard.
TYPE OF MODULATOR: Patented Polyphase PDM.
AUDIO FREQUENCY RESPONSE: +/-0.5 dB, from 20 to 10,000 Hz (with Bessel filter out).
AUDIO HARMONIC DISTORTION: Less than 0.8% at 5000 watts, typically less than 1.5% at 1 kW, 20 to 10,000 Hz @
95% modulation.
AUDIO INTERMODULATION DISTORTION: Less than 1.0%, 60/7000 Hz 1:1. Less than 1.5%, 60/7000 Hz 4:1, SMPTE standards
at 5000 watts operation at 95% modulation.
SQUAREWAVE OVERSHOOT: Less than 3.5% at 400 Hz.
SQUAREWAVE TILT: Less than 3% at 20 Hz, 90% modulation.
Less than 1.5% at 40 Hz, 90% modulation.
NOISE (UNWEIGHTED): Better than 60 dB below 100% modulation, 1000 Hz at 2500 watts to 5000 watts.
POSITIVE PEAK CAPABILITY: Greater than 130% positive peak program modulation capability at 5600 watts.
INCIDENTAL QUADRATURE MODULA-
TION (IQM):
30 dB typical below 95% modulation of L+R channel at 1 kHz.
AUDIO INPUT: Continuouslyadjustablefrom -10to+10 dBm,transformer-lessactive 600ohmsinput.
AC VOLTAGE INPUT: 197-251 VAC, 50/60 Hz, three phase or international 341 to 434 VAC. Compatible
with WYE or closed delta power sources. AC voltage variation: +5, -10% for full
performance. Single phase version accepts 197 to 251 VAC 50/60 Hz.
OVERALL EFFICIENCY: Better than 65% at 5000W.
POWER CONSUMPTION: At 5000 watts carrier, 7692 watts or less at 0% modulation, 11538 watts or less at
100% sine wave modulation, 9615 watts during typical programming.
MONITOR PROVISIONS: Adjustable to5 volts nominal RMS modulatedoutput sample at 50 ohms forsix power
levels from 500 watts to 5600 watts.
REMOTE CONTROL/MONITORING: Self-contained interface for most remote control systems TTL compatible.
AMBIENT TEMPERATURE RANGE: -10°Cto+50°C AMSL (derate upper limit 2°C per 1000 feet altitude).
AMBIENT HUMIDITY RANGE: To 95%, non condensing.
AIR FLOW: 500 CFM, (14.16 CMM).
HEAT GENERATED: 13790 BTU per hour at 5000 watts, 100% tone modulation.
ALTITUDE: Up to 13,000 feet (4000 meters).
SIZE: 72"H X 28"W X 30"D (1830 mm X 712 mm X 762 mm).
WEIGHT: (Unpacked) 500 lbs. (230 kg) - approximate. Domestic packed, 700 lbs. (320 kg) -
approximate. Export packed, 800 lbs. (370 kg) - approximate.
CUBAGE: 68.7 cubic feet (2 cubic meters) packed.
NOTE: ALL SPECIFICATIONS TAKEN WITH TRANSMITTER CONNECTED TO TEST LOAD. SPECIFICATIONS SUBJECT
TO CHANGE WITHOUT NOTICE.
Table 1-3. GATES FIVE Specifications
1-4 888-2314-001 Rev. T: Jan. 1996
WARNING: Disconnect primary power prior to servicing.
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