User Manual

ADCP-75-159 • Issue 1 • August 2003 • Section 2: Description
Page 2-29
© 2003, ADC Telecommunications, Inc.
Configurable RF output
Range
Step size
20 dB at remote unit
1 ±0.5 dB ±10% of step value
Transmit path insertion loss 2.5 dB
RF Reverse Path - SMR 800 MHz
System bandwidth 15 MHz
Frequency range 806–821 MHz SMR band
Propagation delay 6 µs maximum Excludes fiber delay
Configurable propagation delay
Range
Step size
Up to 63 µs
1 µs
Plus standard propagation delay
Gain 30 dB ± 2 dB at band center
Gain flatness ± 1.5 dB across frequency range
1 dB variation across any 1.25
MHz channel
Gain variation ± 3 dB over temperature and unit
to unit
Out-of-band rejection –40 dB bandwidth <
30 MHz
Spurious –110 dBm referred to input
Intermodulation –62 dBc
System noise figure 8 dB
Configurable RF output
Range
Step size
20 dB
1 ± 0.5 dB ± 10% of step value
Blocking dynamic range 70 dB
Level limiting ALC threshold –40 dBm dB ± 3 dB
Level limiting ALC range 30 dB
Physical/Environmental/
Electrical - Host Unit
Dimensions (H×W×D)
3.5 × 17.2 × 15.3 inches
(89 × 437 × 389 mm)
Dimension for width does not
include the mounting brackets
which can be installed for either
19- or 23-inch racks.
Mounting 19- or 23-inch rack EIA or WECO
Weight 18 lbs. (8.2 kg)
Weather resistance Indoor installation only
Operating temperature 0º to 50º C (32º to 122º F)
Storage temperature –40º to 70º C (–40º to 158ºF)
Humidity 10% to 90% No condensation
Table 2-6. SMR 20 Watt System Nominal Specifications, continued
PARAMETER SPECIFICATION REMARKS