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Nautel NV 3.5LT

3.5 kW solid state modular analog only FM transmitter


Nautel NV 3.5LT Figure 1 Outstanding Efficiency at Exceptional Value.

The NVLT Series are affordable transmitters for analog/digital FM broadcasting.
Based on the proven NV Series architecture, they’re built tough with integrated direct-to-digital exciter(s), parallel power amplifiers, parallel power modules and switching power supplies. With the unmatched intelligent features of the VS Series including Nautel’s local/remote AUI control system via Ethernet the NVLT Series helps you save time, save trips and save money. Each design is optimized to offer the features you want without the extra cost for external combiners, exciters, control systems, instrumentation, or system rack. With the highest efficiency in their class, the NVLT Series packs more value than any comparable transmitter

Main Features:
• Proven NV Series Architecture
• Highest Efficiency in its Class: 72%
• Intelligent VS Series Features
• Exceptional Value
• Easy path to HD Radio® operation
• Award-winning instrumentation & control
• IP audio & streaming input
• Automatic fail-safe audio source
• Orban Inside™
• HD Radio® upgradable

Transmitter Type:
• FM Broadcast, 100% solid state
• 2 hot swappable RF power modules
• 4 switching power supplies (2 per RF power module)
• Power supplies are hot-swappable
• 1 low voltage power supply (same as RF power module power supply)
• Integrated exciter:
• Main/standby exciter
• Redundant low voltage power supply
• HD Radio upgradable
RF Output Connection:
• 1-5/8 inch EIA, female (standard)
• 3-1/8 inch EIA, female (optional)
• 7/8 inch EIA, female (optional)
RF Output Impedance:
• 50 ohms unbalanced
• 1.5:1 with automatic power reduction into higher VSWR
• Protected from open and short circuits at all phase angles
RF Frequency Range:
• 87.5 MHz to 108 MHz
• No tuning required
Frequency Stability:
• ± 200 Hz
Turn Around Loss:
• Better than 20 dB
Spurious and Harmonic:
• Meets or exceeds all FCC/IC/RED requirements
• 180 Vac to 264 Vac, 3-ph., 50/60 Hz (standard)
• 312 Vac to 457 Vac, 3-ph., 50/60 Hz (optional)
• 180 Vac to 264 Vac, 1-ph., 50/60 Hz (optional)
Power Consumption:
Analog mode:
• 6940 W at 5000 W RF output (7090 VA)
Power Factor:
• Unity Power Factor Corrected (typically 0.98)
Power Line Harmonics:
• IEEE 519-1992
Asynchronous AM S/N Ratio:
• Better than 60 dB below reference carrier with 100% amplitude modulation using 75 µs de-emphasis (no FM modulation present)
Synchronous AM S/N Ratio:
Better than 50 dB below reference carrier with 100% amplitude modulation using 75 µs de-emphasis
Temperature Range:
• 0°C to +50°C
• Derate 3°C per 500 m above sea level
• (2°C per 1000 ft)
Humidity Range:
• 0% to 95% non-condensing
• 0 m to 3000 m (0 ft to 10,000 ft)
Cooling Air Requirements:
680 m3 /hr (400 cfm)
Product complies with:
• ISED specification BETS6 issue 2
• FCC CFR title 47 part 2 and part 73
• Conforms with all essential requirements of Radio European Directive 2014/53/EU
• Open ventilation configuration: 184.2 cm H x 58.4 cm W x 76.2 cm D (72.5" H x 23" W x 30" D)
Note: total depth 81.3 cm (32") with front hinged panel and air filters installed
• Closed ventilation configuration: consult factory
151 kg (333 lbs)

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