A-6 Specifications
SG 2000 Installation and Operation Manual
Table A-11 lists the RF performance specifications for the SG2-DRT-2X/A digital return transmitter:
Table A-11
SG2-DRT-2X/A RF specifications
Parameter Specification
Nominal RF input
impedance
75-ohms
RF passband
5 MHz through 42 MHz
Flatness (peak to
valley)
±0.5 dB maximum
RF input return loss
18 dB minimum
Recommended total
input power
+15 dBmV
Noise power ratio
40 dB with a minimum of 11 dB of input range from the RF input of the
transmitter to the electrical output of the receiver
Table A-12 lists the minimum optical output power ratings for each available wavelength and
transmitter model. These values are applicable for the DS-SG2-DRT/A and DS-SG2-DRT-2X/A:
Table A-12
Optical output power vs. wavelength for DS-SG2-DRT*/A transmitters
Minimum Optical
Output Power
(dBm)
Model
–7
-001, DS-SG2-DRT*/A-1310-FP-SC
–2
-002, DS-SG2-DRT*/A-1310-DFB-SC
–3
-008, DS-SG2-DRT*/A-1470-DFB-SC
–3
-009, DS-SG2-DRT*/A-1490-DFB-SC
–3
-003, DS-SG2-DRT*/A-1550-DFB-SC
–3
-004, DS-SG2-DRT*/A-1510c-DFB-SC
–3
-005, DS-SG2-DRT*/A-1530c-DFB-SC
–3
-006, DS-SG2-DRT*/A-1550c-DFB-SC
–3
-007, DS-SG2-DRT*/A-1570c-DFB-SC
–3
-010, DS-SG2-DRT*/A-1590-DFB-SC
–3
-011, DS-SG2-DRT*/A-1610-DFB-SC
(avg. power w/randomized data pattern
in all cases)