User's Manual Part 2

ADCP-75-187 • Preliminary Issue 1B • November 2005 • Section 2: DESCRIPTION
Page 2-25
© 2005, ADC Telecommunications, Inc.
Spurious
In-band self generated
Free dynamic range
–13 dBm at remote output
60 dB at 30 kHz bandwidth
Transmit peak-to-average 10 dB
Two-tone Intermodulation –55 dBc at remote output two tones at 5 Watts each
CDMA Intermodulation
885 kHz to 1.25 MHz
1.25 to 1.98 MHz
1.98 to 2.25 MHz
–45 dBc per 30 kHz
–8 dBm per 30 kHz
–55 dBc per 30 kHz
Absolute level
Nominal composite RF input
signal level
–40 dBm at 0 dB attenuation
–9 dBm at max. attenuation
An input signal level of –40 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
(see Note 1 at end of table)
38.3 dBm (6.7 Watts) at remote
antenna port with –40 dBm input
Configurable RF Output
Range
Step size
31 dB at remote unit
1 ±0.5 dB ±10% of attenuation
monotonic
Transmit path insertion loss 2.4 dB maximum
RF Reverse Path - 1900 MHz
System Bandwidth 20 MHz AD band, 25 MHz
DBE, BEF, and EFC bands. 5
MHz G band.
Frequency range
AD
DBE
BEF
EFC
G
1850 to 1870 MHz
1865 to 1890 MHz
1870 to 1895 MHz
1885 to 1910 MHz
1910 to 1915 MHz
Propagation delay 2.5 µs Maximum Excludes fiber delay
Configurable propagation delay
Range
Step size
0 to 63 µs
0.1µs ±1 100 ns
Plus standard propagation delay
Gain flatness
Band flatness
Channel flatness
1.5 dB across frequency range
±1 dB variation across any 1.25
MHz channel
Gain of reverse path
Overall gain
Gain variation
30 ± 2 dB at band center at room
temperature
3 dB over temperature
ALC not invoked
ALC not invoked
Out-of-band rejection –40 dB at >
±17.5 MHz from
center of subband
ALC not invoked
Table 2-7. SCS 1900 MHz System Nominal Specifications, continued
PARAMETER SPECIFICATION REMARKS