Mentor 特高频基地台
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Mentor 特高频基地台
详细介绍
Our Model M15-25 Base Station is designed for ARINC channel communications and other channels in the 118.000 to 136.975 Mhz VHF band. Typical users include air carriers, airport authorities (small control towers), corporate flight departments, hospitals and medevac and general aviation support.
The M15-25 has these features:
25 watt transmitter carrier modulation leveling to accommodate different voices and "microphone techniques" highly effective receiver AGC (automatic gain control) with additional leveling in audio amplifiers extensive use of surface mount components and integrated circuits built-in remote interface A large variety of remote operation methods can be accommodated with external equipment, including "extended local control", dc pair or ac pairs or phone lines with tone signaling and dedicated or dial up long distance phone lines.
The most significant specifications of the M15-25 are:
Dimensions, weight, environment: 19 inches wide by 3.5 inches high by 14.5 inches deep; 18 lbs. Power requirement: 105-125 vac or 210-250 vac 50-60 Hz, switchable on rear most International power cords and plugs available Temperature Range: -20 to +122° F (-30 to +50° C) Frequency Range: 118.000 to 136.975 MHz (25 Khz steps, others available) Number of Channels: 1 to 6 FCC Identifiers: BULM15 and BULPA25
Receiver: Sensitivity: 1 uv 50% mod. for 6 dB (s+n)/n or 3 uv 50% mod. for full audio output Selectivity: -80 dB at 25 KHz adjacent channel AGC: 3 dB 5-100,000 uv Audio Output: 3.5 watts into 4 ohms with less than 5% distortion
Transmitter: Power Output: 25 watts carrier nominal Load Impedance: 50 ohms Frequency Stability: +/- .002% Spurious Outputs: meets FCC requirements Modulation: peak 85% nominal
Remote Interface: Audio Output: 3.5 watts, 4 ohms and -8 dBm to +13 dBm at 600 ohms Transmitter "key" (push-to-talk) Modulation (Microphone) Audio: -20 dBm to 0 dBm Squelch Logic Signal ("squelch break"): 0-5 vdc or 0-12 vdc +13.5 vdc: 300 ma. max.
