User Manual

ADCP-75-179 • Preliminary Issue A • September 2004 • Section 2: Description
Page 2-32
© 2004, ADC Telecommunications, Inc.
Gain variation ± 3 dB over temp and unit-to-
unit
Propagation delay 6 µs Excludes fiber delay
Configurable propagation delay
Range
Step size
Up to 63 µs
0.1µs ± 100 ns
Plus standard propagation delay
Spurious
In-band self generated
Dynamic range (noise floor)
–13 dBm at remote output
<–60 dBc
Transmit peak-to-average 10 dB
Two-tone Intermodulation <
–60 dBc
Nominal composite RF input
signal level
–43 dBm at 0 dB attenuation
–12 dBm at max. attenuation
An input signal level of –43 dBm
provides maximum output power
Configurable input level
Range
Step size
31 dB
1 ± 0.5 dB ±10% of attenuation
monotonic
Composite RF Output power of
both bands with 35 Watt LPA
43.4 dBm (22 Watts) at remote
antenna port with –43 dBm input
35 Watts at LPA output
Configurable RF Output
Range
Step size
31 dB at remote unit
1 ±0.5 dB ±10% of attenuation
monotonic
Transmit path insertion loss 2.5 dB maximum
RF Reverse Path - 800/900 MHz
System bandwidth 18 MHz
5 MHz
800 MHz receive
900 MHz receive
Frequency range 806–824 MHz
896–901 MHz
Propagation delay 6 µs Excludes fiber delay
Configurable propagation delay
Range
Step size
Up to 63 µs
0.1µs ±1 100 ns
Plus standard propagation delay
Gain of reverse path
Overall gain
Gain variation
30 ± 2 dB at band center at room
temperature
3 dB over temperature
Gain flatness
Band flatness
Channel flatness
<
1.5 dB across frequency range
<
1 dB variation across any 1.25
MHz channel
Out-of-band rejection –40 dB at <
30 MHz
Table 2-4. 800/900 MHz SMR System Nominal Specifications, continued
PARAMETER SPECIFICATION REMARKS