MD-171-0-D-A-E
更新时间:2024-09-18 21:56:26
品牌:VECTRON
描述:High Stability GNSS Disciplined Oscillator Module
MD-171-0-D-A-E 概述
High Stability GNSS Disciplined Oscillator Module
MD-171-0-D-A-E 数据手册
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PDF下载MD-171
High Stability GNSS (GPS and GLONASS)
Disciplined Oscillator Module
MD-171
The MD-171 is a Vectron GNSS disciplined module. It is a fully integrated GNSS disciplined oscillator module in a compact surface mount 40 x 50
mm footprint. The module has an embedded 34 channel receiver that is both GPS and GLONASS compatible and provides a sinewave or CMOS
10 MHz, and HCMOS 1 pps output. An onboard precision OCXO provides stabilities in the unlocked mode enabling extremely low holdover. The
module operates from -40 oC to +85 oC.
Features
Applications
•ꢀ Radar systems
•ꢀ Digital Video Broadcast
•ꢀ E911 Location Systems
•ꢀ General Timing and Synchronization
•ꢀ Military Radio
•ꢀ Embedded GNSS Receiver - GPS and Glonass Compatible
•ꢀ Field upgradeable for Galileo in 2017
•ꢀ 1pps HCMOS output signal standard
•ꢀ 10MHz sinewave or CMOS output
•ꢀ Modified NMEA (VSIP)
•ꢀ Evaluation kit with software available
•ꢀ 4ms holdover for 24 hours
Block Diagram
Serial
Communications
Interface
tput Locked
odule Status
Hardware
Reset
PS
tput
Processor/
Controller
Antenna
Input
Output
Frequency
Generation
GPS
Receiver
Output
MHz
Aux Input
OCXO
Figure 1. Functional Block Diagram
Vectron International • 267 Lowell Road, Unit 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Summary Specifications
1
Hold Over Performance
Hold Over Time
Hold Over
10 min
DT=
2 oC
1 hr
DT=
2 oC
1 hr
DT=
10 oC
4 hr
DT=
2 oC
4 hr
DT=
10 oC
24hr
DT=
2 oC
24 hr
DT=
10 oC
Temperature Change
Model
Maximum Accumulated Hold Over in us
MD-1710-DAE-DAOC-10M0000000
0.1
0.15
4
0.6
10
4
15
Summary Performance Characteristics
Model
Warm
Up Time
(min-
Aging / Temper- Module Accuracy to Accuracy
Warm
up
Steady Voltage
day
ature
Stabil-
ity
Height
(mm)
UTC
(+/-1s)
(ns)2
(+/-) 3
State
(V)
(ppb)1
Power @ Power @
utes)
25 oC
(W)
25 oC
(W)
(ppb)
MD-1710-DAE-DAOC-10M0000000
5
0.06
0.4
25
20
1E-12
4.5
2.8
5.0 V
analog/
3.3V
digital
Phase Noise/ ADEV
10 Hz
-125
100
Hz
1 kHz
10 kHz
100 kHz
-145
ADEV
t=1s
ADEV
t=10s
at 10 MHz
-140
-145
-145
5e-12
5E-11
2
Vectron International • 267 Lowell Road, Unit 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Specifications
Internal Receiver Characteristics
Parameter
Type
Condition
Timimg w/ Auto Position Lock
34
Number of channels
Frequency band
GPS L1 C/A
SBAS L1 C/A
GLONASS L1 OF
Galileo
WAAS, MSAS, EGNOS, GAGAN
Firmware update will be required
Tracking capability
sensitivity tracking
sensitivitiy acquisition
Position Accuracy
TTFF
12 satellites
-161 dBm
-147 dBm
< 2.5 m CEP
<5 seconds
Open sky. 24 hours
HOT (currrent almanac, position, time and
ephemeris)
<35 seconds
< 35 seconds
GPS Antenna
Warm (current almanac, position, time)
Cold (no data)
Parameter
Antenna Input Voltage4
Antenna Current
Min
Typical
3.1
Max
3.4
Units
VDC
Condition
2.6
20
100
mA
see protocol for under current flag and short
circuit protection
RF Output Waveform Characteristics
Waveform
Load
Sinewave
50
+5
Ω
Output Power
Harmonics
+3
+7
-30
-80
dBm
dBc
dBc
Spurious
Waveform
LVCMOS
Load
15
pF
VDC
VDC
%
High-level output voltage (VOH
)
2.4
45
15 pF ll 10k Ohm
15 pF ll 10k Ohm
15 pF ll 10k Ohm
Low-level output voltage (VOL
)
0.4
55
Duty Cycle
1pps Output Characteristics
Parameter
Waveform
Min
Typical
Max
Units
Condition
LVCMOS
High-level output voltage (VOH
)
3.0
3.4
0.4
V
V
> 100 Ohms
> 100 Ohms
DC
DC
Low-level output voltage (VOL
)
0.0
10
Pulse Width
us
Aux 1pps input Characteristics
Parameter
Waveform
Min
Typical
Max
Units
Condition
LVCMOS, TTL
High-level input voltage (ViH)
Low-level input voltage (VIL)
2.4
5
VDC
VDC
15 pFll10kOhm
15 pFll10kOhm
0.0
0.3
3
Vectron International • 267 Lowell Road, Unit 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Specifications
Lock Status Indicator
Parameter
Module Locked
Module Not Locked
Min
90
0
Typical
Max
100
20
Units
%Vcc
%Vcc
Condition
Module Hardware OK Indicator
Module Hardware OK
90
0
100
%Vcc
Module Hardware Failure
20
Module Hardware Reset
0.5
%Vcc
VDC
Reset Module
0
2 kOhm internal pullup
Serial Communications Interface
Rx high-level input voltage (VIH
)
2.8
-0.5
3.15
-0.2
VDC
Rx low-level input voltage (VIL)
0.0
3.3
0.0
1
0.5
0.2
VDC
VDC
VDC
Hz
Tx high-level output voltage (V
)
OH
Tx low-level output voltage (VOL
)
Update rate
Communications Protocol
Pulse width7
Vectron Binary/NMEA 0183
See VSIP Command List for Full Details
10
uSec
Supply Voltage
Supply voltage (Vcc)
+4.75
+3.0
+5.0
+3.3
+5.25
+3.4
VDC
VDC
Supply voltage (Dig Vcc)
Absolute Maximum Ratings
Supply voltage (Vcc)
Dc voltage on any I/O pin
Output load
6
VDC
3.9
VDC
100
Min
-55
Ohms
AC ripple
50
mVpk-pk
10Hz to 1MHz
Environmental Conditions
Parameter
Typical
Max
Units
Condition
Operating temperature
Humidity @ 40˚C
see ordering information for avaialble ranges
90
%
Storage Temperature
+125
˚C
Physical Characteristics
120
Weight
g
g-sensitivity
1
ppb/g
10 to 1000 Hz
4
Vectron International • 267 Lowell Road, Unit 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Reliability
VI qualification includes aging various extreme temperatures, shock and vibration, temperature cycling, and IR reflow simulation.
The MD-171 family is capable of meeting the following qualification tests:
Environmental Compliance
Parameter
Mechanical shock
Conditions
MIL-STD-202, Method 213 condition B
Package Outline
Mechanical vibration
Resistance to solvents
MIL-STD-202, Method 204 condition A
MIL-STD-202, Method 215
Handling Precautions
Although ESD protection circuitry has been designed into the MD-171 proper precautions should be taken when handling and mounting. VI
employs a human body model (HBM) and a charged-device model (CDM) for ESD susceptibility testing and design protection evaluation.
ESD Ratings
Model
Minimum
1500 V
Conditions
MIL-STD-833, Method 3015
JEDEC, JESD22-C101
Human body model
Charged device model
1000 V
Package Outline
1.100
.500
.200
.300
27
26
36
36
27
1
1
26
.100
TYP
.900
MARKING SURFACE
.600
.600
.300
.500
1.800
2.000±.015
.100
.600
.900
17
13
13
17
A
.200
1.600±.015
.900 .010
.065
.025
.050
DETAIL A
SCALE 2.5 : 1
WARNING, this is a sketch and is not under revision control. An item documented in this manner must not be used
in processes where using the wrong version could adversely affect the fit, form, or function of Vectron Product.
5
Vectron International • 267 Lowell Road, Unit 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
Pin Configuration
36 Pin I/O Connections
Number
Name
PPS_OUT
REF_IN
Description/comment
1
1 pps output
2
Reference input
3,5,7,20,26,36
D_GND
ANT_IN
VCC_ANT
D_VCC
Digital Ground
Antenna
4
6
Antenna Supply
Digital 3.3V supply
Analog Ground
Analog 5.0V supply
8,27
9,12,13,14,16,17,18,19
10,11
A_GND
A_VCC
15
RF_OUT
Sinewave or CMOS (see ordering code)
21,22,29,32,33,34,35
N/C
RX_IN
Do not connect - leave floating
Data in - internal pull up
data out
23
24
25
28
30
31
TX_OUT
AUXIO
MOD_RST
STATUS
LOCK
Pull up - active low
pull down
pull down
Ordering Information
MD - 171 0 - DA E - DAOC - 10M0000000
Frequency
Product Family
MD: Precision Modules
Embedded Oscillator
Package
DAOC (Digitally Assisted OCXO)
40 x 50mm
Height
0: 23 mm
Supply Voltage
D: +5V
Temperature Range
D: -40°C to +70°C
E: -40°C to +85°C
J: -20°C to +70°C
T: 0°C to +70°C
RF Output Code
A: CMOS
E: Sinewave
Notes
1) Holdover and aging performance is after 7 days of power-on time. Temperature and aging rates are when
device is not locked. Performance measured in still air. 1
2) After customer applies offset corrected using cable delay command while locked, after 24 hours of locked
operation
3) Allan Variance at t=86400s while locked, after 24 hours of locked operation
4) Antenna supply pin at pin 21 is an input voltage from customer. Vectron couples the DC input voltage to the
rf signal of the GPS signal. The customer does not need to provide any additional blocking or coupling circuitry.
For Additional Information, Please Contact
USA:
Europe:
Asia:
Vectron International
267 Lowell Road, Unit 102
Hudson, NH 03051
Tel: 1.888.328.7661
Vectron International
Vectron International
Landstrasse, D-74924
Neckarbischofsheim, Germany
Tel: +49 (0) 7268.801.100
1F-2F, No 8 Workshop, No 308 Fenju Road
WaiGaoQiao Free Trade Zone
Pudong, Shanghai, China 200131
Tel: 86.21.5048.0777
Fax: 1.888.329.8328
Fax: +49 (0) 7268.801.282
Fax: 86.21.5048.1881
Disclaimer
Vectron International reserves the right to make changes to the product(s) and or information contained herein without notice. No liability is assumed as a result of their use or application.
No rights under any patent accompany the sale of any such product(s) or information.
Rev: 01-10-17dmc
Vectron International • 267 Lowell Road, Unit 102, Hudson, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com
7
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