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High Performance 16-channel GPS
Receiver Module MODEL : GPS-7001A
1. Absolute Maximum Ratings
|
Symbol
|
Parameter
|
Min
|
Typ
|
Max
|
Units
|
|
Vdd
|
Module Supply
Voltage
|
3.0
|
3.3
|
3.6
|
V
|
|
Vi
|
Input Voltage
|
-0.3
|
|
Vdd+0.3
|
V
|
|
Vo
|
Output Voltage
|
-0.3
|
|
Vdd+0.3
|
V
|
|
Ta
|
Ambient Temp. (Power applied)
|
-40
|
|
95
|
°C
|
|
Tstg
|
Storage Temp.
|
-40
|
|
105
|
°C
|
* Note : This module is not intended to operate under the
condition listed in Absolute Maximum Ratings.
Continuous operation under these conditions
or exceeding the maximum Rating may
result
in permanent damage to this device
2. Normal Operating Condition
|
Symbol
|
Parameter
|
Min
|
Typ
|
Max
|
Units
|
|
Vdd
|
3.3V Module
Supply Voltage
|
3.0
|
3.3
|
3.6
|
V
|
|
Vddn
|
Supply Voltage noise
|
|
|
50
|
mV p-p
|
|
Pw
|
Module Power Dissipation
|
|
200
|
|
mW
|
|
Vbk
|
Module Backup Supply Voltage
|
1.8
|
|
3.0
|
V
|
|
Ivbk
|
Module Backup Supply Current
|
|
30
|
70
|
uA
|
|
Vpre
|
Preamplifier Supply Voltage
|
2.7
|
|
3.6
|
V
|
|
Top
|
Operational Temp. (Power applied)
|
-40
|
25
|
+85
|
°C
|
3. Module Specification
Satellite
tracking --------------------------------------- 16
Parallel channels
Receiving
Frequency ---------------------------------
1575.42 MHz L1band C/A code
Sensitivity
------------------------------------------------ -133
dBm
Positioning
system(default)-------------------------
WGS-84 for rev3D,Tokyo for rev 3B
Positioning
accuracy --------------------------------- 30m
2DRMS (PDOP=2.5, HDOP=1.5)
Positioning
accuracy(Velocity) -------------------
0.3 m/s (PDOP=2.5, HDOP=1.5)
Positioning
condition --------------------------------- A)DOP
limit 3D:PDOP < 12, 2D:HDOP < 6
B) Elevation mask : 5°
Velocity
--------------------------------------------------- 500
Km/h
or less
Acceleration
--------------------------------------------- 2G or less
Navigation
up-date rate ------------------------------
1 second
D-GPS
Function --------------------------------------- DARC
BAT R-003 standard RCTM
SC104 version2.1 (6 of 8 format)
Time To
Fist Fix (TTFF)
Hot
start -------------------------------------------------- 7
to 20 sec
Warm
start ---------------------------------------------- 33
to 50 sec
Cold
start ------------------------------------------------ 35
to 60 sec
Reacquisition
Time ----------------------------------- Loss <
5minutes 2 to 6 sec
(tracking
loss recovery time)
Loss > 5minutes 6 to 10 sec
Communication
method ---------------------------- Start stop
synchronization
Transfer
rate input/output --------------------------
4800 bps NMEA, 9600bps sony
Logic
level ----------------------------------------------- TTL
compatible
Communication
format ------------------------------ NMEA or
Sony format
Consumption
Current -------------------------------- 75
mA
typical
RF input
connector ----------------------------------- MCX
(Female)
I/O
connector -------------------------------------------
10 pin 2.0mm pitch
Size
--------------------------------------------------------
50.5 x 30 x 13 mm
4. I/O Connector Pin Functions
|
Pin No
|
Symbol
|
I/O
|
Description
|
|
1
|
Vdd
|
3.0
|
Main power input
|
|
2
|
TXD0
|
O
|
Navigation data output
|
|
3
|
RXD0
|
I
|
Command input
|
|
4
|
NC
|
-
|
No connection
|
|
5
|
RXD1
|
I
|
Differential corrections input
|
|
6
|
GND
|
-
|
Ground
|
|
7
|
Reset
|
I
|
Module reset input
|
|
8
|
Mode
|
I
|
L=Sony , H=NMEA 0183
|
|
9
|
NC
|
I
|
No connection
|
|
10
|
BU
|
|
Data retention backup power supply
|
5. Recommend Antenna Specification
Antenna
Center frequency ------------------------------------ 1575.42 MHz
Polarization ------------------------------------------- Right-handed circular polarization
Gain ----------------------------------------------------- -5 dBi
or more (5° < Angle of
elevation)
Axis ratio ---------------------------------------------- 3 dB typical (Angle of elevation = 90° )
Pare-amplifier
Gain ----------------------------------------------------- 22 dB
or more (without cable loss )
Noise figure (NF) ------------------------------------
2.5 dB or less
Overall
Speckfication
Gain ----------------------------------------------------- 17dBi
or more (Angle of elevation = 90° )
Output impedance ---------------------------------
50ohms
Output VSWR --------------------------------------- 2.0 or less
Supply voltage --------------------------------------- 2.8 to 3.2 V
Maximum Current ----------------------------------
30 mA
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