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參數(shù)資料
| 型號(hào)： | SY02-HLPL |
| 廠商： | Raltron Electronics Corporation |
| 英文描述： | SYNCHRONOUS EQUIPMENT HIGH FREQUENCY HITLESS SYNCHRONIZER |
| 中文描述： | 同步設(shè)備同步高頻無中斷 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大?。?/td> | 262K |
| 代理商： | SY02-HLPL |
SYNCHRONOUS EQUIPMENT
HIGH FREQUENCY HITLESS SYNCHRONIZER - SY02-HLPL
DESCRIPTION
RALTRON ELECTRONICS CORP.
10651 N.W.19
th
St
Florida 33172
U.S.A.
Tel: 305 593-6033
Fax: 305-594-3973
e-mail: sales@raltron.com
Internet: http:/www.raltron.com
2
MUX,
FPD,
Counters
&
Logic
LOOP
FILTER
VCXO
FR
REF 1 IN
FRS
OUT
J-TAG PORT
OUT
EN OUT
ALARM
REF 2 IN
CNT
The SY02-HLPL synchronization module is a high frequency PLL that performs hitless switching plus additional
features necessary for timing at high-speed Line Interface Cards. The functional block diagram is shown in the
figure above . The SY02-HLPL receives two reference signals, from 8KHz to 77.76MHz (See page 3 for available
options) and using PLL synthesizer generates a high frequency signal necessary for transceivers or framers. The
PLL that is complemented by high-speed logic that provide processing, switching between the timing modes, alarm
and status messages and etc. A high quality VCXO provides very low jitter at the output.
The SY02-HLPL incorporates a High Frequency Phase Lock Loop has been designed to generate high frequency
(up to 800MHz) output from a low jitter VCXO (Crystal Based Oscillator) or VCSO (SAW based oscillators). The
output can be disabled externally by setting OUTEN pin high. The module supports a MANUAL operating mode
where unit will switch according to a control pin CNT. During an event where the external reference signal
disappears, the user instruct a reference change into the module through the control pin. The ALARM output signals
monitor the status of the phase loop LOL (Loss of Lock) and LOR (Loss of Reference). If the reference REF IN is
absent, the SY02-HLPL will automatically switch to free run mode and FRS output will indicate it. The SY02-HLPL is
provided in an SMD package dimensions are 0.96x1.050 inch and power supply is 3.3V.
- OUTPUT PROGRAMMING
OUTEN
FR
0
0
1
X
0
1
- ALARM STATES
LOL
LOR
0
0
1
0
0
1
- Input Reference Selection
OUTPUT
Locked to Reference
Output Disabled
Free-Run
ALARM
No alarm
1
1
CNT
Input Reference Selection
0
Ext Ref 1
1
Ext Ref 2
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| SY02-HP2O | SYNCHRONOUS EQUIPMENT LOW INPUT/ HIGH DUAL OUTPUT FREQUENCY CLOCK/SYNCHRONIZER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY02-HP2O | 制造商:RALTRON 制造商全稱:RALTRON 功能描述:SYNCHRONOUS EQUIPMENT LOW INPUT/ HIGH DUAL OUTPUT FREQUENCY CLOCK/SYNCHRONIZER |
| SY02-HPLL | 制造商:RALTRON 制造商全稱:RALTRON 功能描述:SYNCHRONOUS EQUIPMENT HIGH FREQUENCY CLOCK/SYNCHRONIZER |
| SY02-MFTC | 制造商:RALTRON 制造商全稱:RALTRON 功能描述:SYNCHRONOUS EQUIPMENT LOW IN/OUTPUT FREQUENCY CLOCK REGENERATOR LVPECL/LVCMOS OUTPUT |
| SY02-MFTP | 制造商:RALTRON 制造商全稱:RALTRON 功能描述:SYNCHRONOUS EQUIPMENT HIGH FREQUENCY CLOCK REGENERATOR |
| SY02-PLL | 制造商:RALTRON 制造商全稱:RALTRON 功能描述:SYNCHRONOUS EQUIPMENT CLOCK/SYNCHRONIZER |
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