DR + GPS
STARTER KIT REFERENCE MANUAL
Lassen DR + GPS Reference Manual 127
Table 96: Power Supply for Internal DR ModuleCharacteristic Conditions Min. Typical Max. Unit
Supply voltage Pin 7 3.0 3.3 3.6 VDC
Power consumption Excluding antenna 190 250 mW
Supply voltage noise ripple From 1Hz to 1MHz 100 mVpp
Input capacitance on power supply 22 µF
Power supply for Low Noise Amplifier
of active antenna
Power Supply for antenna is an
external input for this module. Pin
2
5.0 VDC
Supplied current for Low Noise
Amplifier of active antenna
5.0V Miniature GPS Vehicle Ant.
3.0V Miniature GPS Vehicle Ant.
(at room temperature)
30
15
mA
Load capacitance of the antenna 0.3 µF
Backup Power Supply 2.5 3.6 VDC
Backup Current Over temp. range –40 ,+85C 70 uA
NOTE All specifications are over the entire temperature range, -40C to +85C
Table 97: Power Supply for DR+GPS Starter Kit UnitCharacteristic Conditions Min. Typical Max. Unit
Supply voltage 9.0 13.5 32.0 VDC
Supply current Excluding antenna 70 mA
NOTE All specifications are over the entire temperature range, 0C to +60C
Table 98: RF CharacteristicsCharacteristic Conditions Min. Typical Max. Unit
Tracking sensitivity At the RF connector input of the
receiver
-140 dBm
Acquisition sensitivity At the RF connector input of the
receiver
-130 dBm
Noise Figure 16 21 dB
Dynamic range 20 dB
Resistance to broadband
noise jamming
jamming to signal ratio at antenna
input within input filter bandwidth of
20MHz;
GPS Signal Power ≥ -160dBW
20 dB
Input impedance 50 Ω