Mark-iiia Fm Rebroadcast Channel Processor Features

Transcript

MARK-IIIA Single FM channel Rebroadcast Processor MARK-IIIA FM Rebroadcast Channel Processor MODEL: M3A-FMP-1 EXTERNAL INPUT RECEIVE ANTENNA EXTERNAL OUTPUT TRANSMIT ANTENNA MARK-IIIA SINGLE-CHANNEL FM REBROADCAST PROCESSOR The M3A-FMP processor is a single channel FM rebroadcast system suitable to extract a single FM channel from the complete FM band input spectrum and perform filtering and automatic level adjustment for retransmission The input can be taken off from an external discrete antenna or a leaky feeder tap-off. The output can be output to extend coverage onto a RF-shadowed area The MARK-IIIA FM channel processor preserves the frequency stability, audio fidelity and data content of the original over-the-air signal, because it does not demodulate the received signals. A 0.5 Watt output stage makes it suitable for intunnel and limited area coverage rebroadcast applications. . Page 1 / 2 Rev 1 Oct/2013 Features:  FM channel on-frequency repeater, suitable for single-channel rebroadcast applications  Built-in FM band pre-selector  IF selective with Narrowband Analog Filters  Automatic Gain Control (AGC)  0.5 Watt Output Amplifier  50 Ohm RF ports  Type-N coaxial input/output connectors  Coax Receive Input  Single RF Output   Serial Port for configuration via console/terminal software  Dry Contact (relay) Summary Alarm  Reset and mute opto-isolated inputs  AC/DC Switching Power Supply  Stainless Steel Wallmount enclosure, NEMA-4X  Natural convection cooling MARK-IIIA Single FM channel Rebroadcast Processor SPECIFICATIONS FM band Electrical Frequency range 87.5 to 108 MHz Typical Channel bandwidth (+/- 3 dB) 250 KHz Channel frequency programming steps (Digital synthesized) 100 kHz Input & Outputs impedance (typical) 50 ohms Maximum output power (typical) +27 dBm (0.5 Watt) Output level adjustment range >=20 dB, 1 dB step Automatic Gain Control Yes, >=40 dB Maximum output level variation with input level variations within range +/- 3 dB Frequency stability and distortion: Tracks input signal frequency and modulation exactly The system does not demodulate the input signals. Spurious & harmonics outputs >= 50 dBc Adjacent Channel Rejection (+/- 400 kHz) >= 40 dBc typ. @ 400 kHz Sensitivity (Minimum input level) -60 dBm Maximum input power level (composite) at antenna input, for no-damage -20 dBm RF Connectors Input/Output Coax Ports N-Female, 50-Ohm Miscellaneous Enclosure Wallmount, Stainless Steel (NEMA-4X): 16”(H) x 16”(W) x 8”(D), 15 lbs Operating ambient temperature range -20 to +60° Celsius Power Requirements 100-240 Vac 50/60Hz 50 Watt maximum Internal Monitoring Power Supply DC output status FM channel module status Computer Interface RS232 via USB adapter Discrete I/O Dry contact relay Summary Alarm Opto-isolated inputs (reset and mute) Page 2 / 2 Rev 1 Oct/2013