User Manual

ADCP-75-158 • Preliminary Issue A • June 2003 • Section 2: Description
Page 2-29
© 2003, ADC Telecommunications, Inc.
Configurable propagation delay
Range
Step size
Up to 63 µs
0.1µs
Plus standard propagation delay
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 CW 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 40.5 dBm (11 Watts) at remote
antenna port with –40 dBm input
20 Watts at power amplifier out-
put
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
RF Reverse Path - 1900 MHz
System bandwidth
A band
B band
20 MHz AD band, 25 MHz
DBE, BEF, and EFC bands
Frequency range
AD
DBE
BEF
EFC
1850 to 1870 MHz
1865 to 1890 MHz
1870 to 1895 MHz
1885 to 1910 MHz
In band spurs (caused by an indi-
vidual out-of-band signal)
–75 dBc (1 MHz to 20 GHz and
> 10 MHz out-of-band)
–120 dBc (1930 to 1990 MHz)
–120 dBc (869 to 894 MHz) Required for dual band
Propagation delay 6 µs Excludes fiber delay
Configurable propagation delay
Range
Step size
Up to 63 µs
0.1µs
Plus standard propagation delay
Table 2-6. 1900 MHz 20 Watt System Nominal Specifications, continued
PARAMETER SPECIFICATION REMARKS