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HS-A287B-FREQ PDF预览

HS-A287B-FREQ

更新时间: 2024-01-07 15:41:40
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描述
Differential Positive ECL (DPECL)

HS-A287B-FREQ 数据手册

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Data Sheet 9544B  
CRYSTAL CLOCK OSCILLATORS  
Rev. T  
Differential Positive ECL (DPECL)  
HS-A2870 Series  
Description  
The HS-A2870 Series of quartz crystal oscillators provide MECL 10K and 10KH series compatible signals  
in industry standard four-pin DIP hermetic package. Systems designers may now specify space-saving,  
cost-effective packaged PECL oscillators to meet their timing requirements. This device is intended to  
operate on positive voltage for PECL applications.  
Features  
• Wide frequency range–15.0MHz to 250.0MHz  
• User specified tolerance available  
• MECL 10K and 10KH series compatible output on  
Pin 8, complement on Pin 1  
• Will withstand vapor phase temperatures of 253°C • High Q Crystal actively tuned oscillator circuit  
for 4 minutes maximum  
• Space-saving alternative to discrete component  
oscillators  
• Power supply decoupling internal  
• No internal PLL avoids cascading PLL problems  
• High frequencies due to proprietary design  
• Gold plated leads - Solder dipped leads available  
upon request  
• High shock resistance, to 3000g  
• 3.3 Volt operation  
• Metal lid electrically connected to ground to  
reduce EMI  
• RoHS Compliant, Lead Free Construction  
(unless solder dipped leads are supplied)  
• Low Jitter  
Electrical Connection  
Pin  
Connection  
1
7
Output Complement  
VEE /Ground  
Output  
8
14  
VCC  
Dimensions are in inches and (MM)  
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881  
Email: nelsales@nelfc.com www.nelfc.com  

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