Technical Specification - RoyalTek RET-3570LP User Manual

1.5 Technical Specification

Impedance：50Ω
No Function
GPS receiver
1 Chipset
2 Frequency
3 Code
4 Channels
5 Chipset Sensitivity
6 Chipset Cold start @open sky 35 sec
7 Chipset Warm start @open
sky
8 Chipset Hot start @open sky 1 sec
9 Reacquisition
10 Position accuracy
11 Maximum altitude
12 Maximum velocity
13 Trickle power mode
14 Update rate
15 Testability
16 Protocol setup
17 DGPS
Interface
18 LNA
19 I/O Pin
TMC/RDS receiver
20 Frequency
21 RDS sensitivity
22 Right and Left audio output
voltage
Mechanical requirements
23 Weight
Power consumption
24 Vcc
Current
25
Environment
RoyalTek Confidential
RET-3570LP User Manual
SiRF Star III, GSC3f/LP
(Digital, RF in a single package)
L1 1575.42MHz.
C.A. Code.
20 parallel
-159dBm.
35 sec
0.1sec typical
10meters at 2D RMS.
18000 m
514 m/s
Duty cycle ≦ 34%. (Variable)
Continuous operation: 1Hz
It shall be able to be tested by SiRF test IV and single channel
simulator.
It shall store the protocol setup in the SRAM memory.
WAAS, EGNOS
No LNA
31pin
87.5~108MHz. US/Europe
24.7uV typical
Δ f=22.5kHz, fAF = 1kHz,L=R,
De-emphasis= 50us,
Block Quality Rate ≧ 85%
Conditions:
= L =
V 1 mV ; R
RF
pre-emphasis; TC
deem
Output voltage:
Min= 55 mV
Typ=66 mV
Max=75mV
≦ 3.5g
DC 3.3 ±5%
GPS:
Fix mode Current 36mA average.
RDS Current: 15mA typical
5
Specification
RDS=1.2kHz, f
∆ =
; f 22 5 . KHz ; f
mod
=
75 us
=
1 KHz ; No