E1976A Datasheet, PDF (35/37 Pages) Keysight Technologies – E1966A 1xEV-DO Terminal Test Application

35 | Keysight | E1966A 1xEV-DO Terminal Test Application - Technical Overview
Option 004 Digital Bus Specifications
Option 004 digital bus
Functionality
Connector
Signal generator ALC mode
ALC open loop calibration
Allows baseband, digital I/Q data from the signal generator to be sent
to an external N5101A Baseband Studio PCI card for fading and then
returned to the test set for modulation
Rear panel, 50-pin, high density
Closed or open (default of closed). Open loop mode must be used during
fading to maintain the desired signal characteristics
Calibrates the RF source when operating in the ALC open loop mode.
The accuracy remains valid with a ±5 °C window of the temperature at
which the calibration was performed
ALC open loop RF in/out composite absolute output level accuracy
(Specification for temperatures within ±5 °C of the last ALC open loop
calibration temperature and with one calibration every 24 hours. Actual
operating level must be adjusted by the LBO value when operating with
the Baseband Studio fader to determine which specification range applies):
420 to 490 MHz
Typically < ±1.55 dB, > −27.5 dBm/1.23 MHz,
typically < ±1.55 dB, −27.5 to −61.5 dBm/1.23 MHz,
typically < ±1.6 dB, < −61.5 dBm/1.23 MHz
830 to 975 MHz
Typically < ±1.60 dB, > −27.5 dBm/1.23 MHz,
typically < ±1.50 dB, −27.5 to −61.5 dBm/1.23 MHz,
typically < ±1.65 dB, < −61.5 dBm/1.23 MHz
1800 to 1880 MHz
Typically < ±1.75 dB, > −27.5 dBm/1.23 MHz,
1925 to 1990 MHz
Typically < ±1.65 dB, −27.5 to −61.5 dBm/1.23 MHz,
2100 to 2175 MHz
Typically < ±1.80 dB, < −61.5 dBm/1.23 MHz
ALC open loop RF out only composite absolute output level accuracy
(Specification for temperatures within ±5 °C of the last ALC open loop
calibration temperature and with one calibration every 24 hours. Actual
operating level must be adjusted by the LBO value when operating with the
Baseband Studio fader to determine which specification range applies):
420 to 490 MHz
Typically < ±1.60 dB, > −17 dBm/1.23 MHz,
typically < ±1.55 dB, −17 to −51 dBm/1.23 MHz,
typically < ±1.6 dB, < −51 dBm/1.23 MHz
830 to 975 MHz
Typically < ±1.60 dB, > −17 dBm/1.23 MHz,
typically < ±1.55 dB, −17 to −51 dBm/1.23 MHz,
typically < ±1.65 dB, < −51 dBm/1.23 MHz
1800 to 1880 MHz
Typically < ±1.75 dB, > −17 dBm/1.23 MHz,
1925 to 1990 MHz
Typically < ±1.65 dB, −17 to −51 dBm/1.23 MHz,
2100 to 2175 MHz
Typically < ±1.80 dB, < −51 dBm/1.23 MHz
ALC open loop carrier
feedthrough
Typically < 40 dBc, (nominal ambient < 47 dBc after IQ calibration)