Devices of wire dispatch communication UPDS-11 (hereinafter referred to as products) are intended for operation in conditions of crossing rooms of underground. In terms of resistance to climatic factors during operation the product corresponds to group K1 according to OST 32.146-2000, for operation at ambient air temperature from +5 deg.
C to +45 deg. ?.
MAIN TECHNICAL CHARACTERISTICS: DC supply voltage, V, in the range: 18 to 36; Maximum consumption, W, not more than 5; Supply voltage ripple level, mV, not more than 150; Input resistance modulus of the receiving amplifier, kOhm, not less than 10.0; Sensitivity of the receiving amplifier, mV, not less than 10.0; Maximum output power of the receiving amplifier, W, not less than 2.0; Maximum output power of the transmitting amplifier, W, not less than 2.0; Output voltage of the transmitting amplifier, V, not more than 10.0; Bandwidth of amplifiers, kHz from 0.3 to 3.4; Number of products connected to one communication line, pcs., not more than 40; Maximum range of communication...
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