Motorola SG4-DRT-2X Instruções de Operação descarregar pdf (Página 101)

SG4000 Installation and Operation Manual

Appendix A

Specifications

Specifications for the SG4000 are valid over the given bandpass and operating temperature

range listed in this section. The current catalog may contain additional information not provided

below.

Table A-1 lists the optical characteristics for the SG4000 node.

Table A-1

SG4000 optical receiver characteristics

Parameter Specification

Optical wavelength

1310 ±20 nm through 1550 ±30 nm

Received optical power

range

maximum

–3 dBm to +2 dBm (continuous)

+3 dBm

Optical input return loss

45 dB minimum

Equivalent input noise current

8 pa/Hz

1/2

Receiver minimum output level

with –3 dBm input level, 79

channel load

40 dBmV at 547.25 MHz

Table A-2 lists the station RF characteristics for the SG4000 node.

Table A-2

Station RF characteristics

Parameter Specification

Forward passband frequency

47 MHz through 1003 MHz (dependent upon split)

Return passband, each port

5 MHz through 65 MHz (dependent upon split)

Splits

5-40/52-870 MHz

5-55/70-870 MHz

5-65/85-870 MHz

5-42/54-870 MHz

5-30/47-870 MHz

Return loss

16 dB

RF amplifier gain

19 dB

Flatness over passband

±0.50 dB

Operational slope (linear)

870 MHz

10.0 dB ±0.75 dB

12.5 dB ±0.75 dB

14.0 dB ±0.75 dB

1003 MHz

12.0 dB ±0.75 dB

14.5 dB ±0.75 dB

16.0 dB ±0.75 dB

RF amplifier only, typical noise

figure

14 dB maximum@ 55 MHz

9.5 dB maximum@ 870 MHz

1 2 ... 96 97 98 99 100 101 102 103 104 105 106 107 108

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