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參數(shù)資料
| 型號： | FTS250 EVAL KIT |
| 廠商： | Connor-Winfield |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 0K |
| 描述： | GPS TIMING MODULE EVAL BOARD |
| 產(chǎn)品培訓(xùn)模塊： | 125 Series GPS Based Timing and Synchronization Products |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 計時，時鐘發(fā)生器，同步器，GPS |
| 嵌入式： | 否 |
| 已用 IC / 零件： | FTS250 |
| 主要屬性： | 1PPS/ 10 MHz 相位校準(zhǔn)功能 |
| 次要屬性： | LED 狀態(tài)指示器 |
| 已供物品： | 模塊，板，天線，線纜 |
| 其它名稱： | CW687 |
Features
Phaselocked10MHzoutput
1PPSoutput
3selectablereferences:GPS,External10MHzorExternal1PPS
Holdover
Threealarmoutputs.(Loss-of-Lock,HoldoverandAntennaFault)
Serialinputandoutputports(GPSreceiver)
Masterreset
+3.3Voltpowersupply
TemperatureRange:-40°Cto85°C
MeetsITU-TG.811WanderGenerationMask
SMABulkheadGPSAntennaConnection
Package:28-pinThrough-Hole
PhysicalDimensions:2.8”x1.725”x0.368”(71mmx43.82mmx9.34mm)
FixedPositionUnit
125 Series
FTS250 Disciplined
Oscillator
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630- 851- 4722
Fax: 630- 851- 5040
www.conwin.com
Bulletin
SG176
Revision
03
Date
07 May 2013
Issued By
ENG
Connor-Winfield’s GPS Disciplined
Oscillators (GPSDOs) were created specifically for
all precision timing and synchronization applications
requiring higher end, cost sensitive solutions. By
combining our uniquely designed GPS timing
receivers with our high-quality oscillators, Connor-
Winfield is able to offer a wide variety of superior,
cost-effective GPS timing solutions. The 125 Series
modules provide customer applications with the
precise timing capabilities needed to optimize critical
system performance.
General Description
The FTS250-010.0M Frequency and Time Standard module is a GPS driven, mixed-signal phase
lock loop, providing a 1 PPS CMOS output from a Connor-Winfield GPS timing receiver. The FTS250
generates a 10 MHz CMOS and a 10 MHz SINE output from an intrinsically low jitter voltage controlled
crystal oscillator. The FTS250 can lock to a 10 MHz reference derived from the on-board GPS receiver
or an external 10 MHz reference or to an external 1 PPS reference. Alarms are provided to indicate
Loss-of-Lock, Holdover, and Antenna Fault. The on-board GPS receiver requires an outdoor mounted
GPS antenna for the best stability and consistent performance.
The mode control inputs are used to manually switch between references and/or holdover. The user
application should monitor the alarm outputs and manually switch modes as needed.
Serial I/O lines provide access to the NMEA messages from the GPS receiver (referenced in the
Connor-Winfield’s Wi125 User Manual. Contact Connor-Winfield Sales for a copy). The serial I/O lines
can be used to access GPS timestamp information, or to verify that the receiver has recovered from an
alarm condition. The reset is used to reset the GPS receiver (if needed).
D
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Available at Digi-Key
www.digikey.com
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