TEM Opera plus 20kW

The TEM Opera plus 20kW is a high-efficiency FM transmitter designed for broadcasting in the frequency range of 87.5 to 108MHz. It incorporates advanced technology, including 4×5000W amplifiers with 6th generation LD-Mos technology, known for its robustness. Here are some key features and technical specifications:

Features:

1. ECO LINE – HIGH EFFICIENCY TRANSMITTER:
   • Utilizes wideband circuits amplifiers with LD-Mos technology for high efficiency.
   • Built-in exciter with digital frequency synthesizer.
   • Options include a digital stereo encoder, RDS encoder, and AES-EBU input board.
   • Audio change-over functionality is built-in.
2. PROTECTIONS:
   • Automatic fold-back ROS (Return Loss) protection.
   • Fold-back temperature protection.
3. CONTROL AND MONITORING:
   • Fully microprocessor-controlled settings, protections, and telemetry.
   • LCD for checking all operating parameters.
   • GSM Telemetry & TCP/IP Webserver with SNMP/SMTP is optional.
4. AMPLIFIERS AND POWER SUPPLY:
   • 4×5000W amplifiers with Wilkinson technology.
   • 12x Switching-mode Power Supply with efficiency greater than 95%.
5. COOLING SYSTEM:
   • Sealed duct cooling air with blowers.
   • Easy removable upper blower.
6. FILTERS AND CONNECTORS:
   • Harmonics filter and directional coupler are built-in.
   • RF Output connector: 3+1/8”.
   • RF Monitor connector: BNC.

Technical Specifications:

• Operating Voltage: 240V AC ÷ 10% / 380V AC (3ph) ÷ 10%
• Cooling System: Forced air
• AC Consumption: <28300W
• Operational Temperature Range: -5 °C to +50 °C
• Storage Temperature Range: -20 °C to +60 °C
• RF Output Connector: 3+1/8”
• RF Monitor Connector: BNC
• Dimensions: 32U – 19″ STD Rack

Note: The transmitter is designed for use in unmanned stations and emphasizes energy savings and high reliability. Installation and maintenance are described as fast and easy. The transmitter is equipped with various protection mechanisms to ensure reliable and uninterrupted operation.