Transcom

 

Harris SX-5A, Solid State, 5KW AM Transmitter

POWER OUTPUT: (Rated) 5000 watts. (Capable) 5600 watts.  Power reduction through 500 watts.

RF FREQUENCY RANGE: 531 KHz through 1620 KHz.  Supplied to one frequency as ordered.

CARRIER FREQUENCY STABILITY: A) Crystal Oscillator — 20 Hz over temperature range.  B) Frequency Synthesizer (optional) — 10 Hz over temperature range.

RF OUTPUT IMPEDANCE: 50 ohms unbalanced.  Will match into a VSWR of 1.5:1 at carrier.

RF OUTPUT TERMINAL: 7/8" EIA male flange connector.

CARRIER AMPLITUDE VARIATION: (Carrier Shift): Less than 2% at 100% modulation at 1000 Hz.

RF HARMONICS AND SPURIOUS EMISSIONS: Exceeds FCC and CCIR specifications 

TYPE OF MODULATOR: Patented Polyphase PDM.

AUDIO FREQUENCY RESPONSE: +0.5 dB, –1.5 dB from 20 to 12,500 Hz.  Reference 1000 Hz with Bessel filter out.

AUDIO HARMONIC DISTORTION: 1.5% or less at 5 kW, 20 to 12,500 Hz @ 95% modulation. 2% or less at 1000 watts operation, 20 to 12,500 Hz @ 95% modulation. 3% or less at 500 watts, 20 to 12,500 Hz @ 95% modulation.

AUDIO INTERMODULATION DISTORTION: 1.0% or less, 60/7000 Hz 1:1, 3% or less, 60/7000 Hz 4:1, SMPTE standards at 5 kW operation at 80% modulation.

SQUAREWAVE OVERSHOOT: Less than 5% at 400 Hz.

SQUAREWAVE TILT: Less than 5% at 20 Hz @ 90% modulation.

NOISE (UNWEIGHTED): Better than 60 dB below 100% modulation, 1000 Hz at 5 kW.

POSITIVE PEAK CAPABILITY: 125% positive peak program modulation capability at 5600 watts.

AM STEREO SPECIFICATIONS: Incidental Phase: 0.2 Average (Radians) at 95% Envelope Modulation @ 1 kHz; 0.5 Peak (Radians).

AUDIO INPUT: –10 to +10 dBm, transformerless 600 ohms balanced, continuously adjustable.

AC VOLTAGE INPUT: 197-251 VAC, 48 to 63 Hz, three phase, 3 wire or 341 to 434 VAC, three phase, 4 wire, 48 to 63 Hz.

OVERALL EFFICIENCY: Better than 65%.

POWER CONSUMPTION[1]: 7.7 kW at 0% modulation at 5000 watts.  11.6 kW at 100% tone modulation at 5000 watts carrier. 10.4 kW under average programming conditions.

MONITOR PROVISIONS: 10 volts RF (RMS) modulated output sample at 50 ohms (High/Medium/Low) power.

REMOTE CONTROL: Self-contained interface for most remote control or facility control systems. 

AMBIENT TEMPERATURE RANGE: –20C to +50C AMSL (derate upper limit 2C per 1000 feet altitude).

AMBIENT HUMIDITY RANGE: To 95% non condensing.

AIR FLOW: 500 CFM fan.

ALTITUDE: Sea Level to 13,000 feet (4000 meters).

OPERATING ACOUSTICAL NOISE: Better than 64 dBA acoustic rating, 3 feet from transmitter.

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.

COLORS: Black and white.

TYPE OF ACTIVE COMPONENTS: 100% solid state.

POWER SUPPLY: Self-contained, dry.


[1] For AC service connection, please provide 14 KVA with a minimum of 5% voltage demand regulation.