PJ2949 查看數據表（PDF） - NEL Frequency Controls
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PJ2949 Datasheet PDF : 2 Pages
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CRYSTAL CLOCK OSCILLATORS
Differential Positive ECL (DPECL)
Fast Edge
PJ-A2940 Series
Data Sheet 0149B
Rev. E
Preliminary
Description
The PJ-A2940 Series of quartz crystal oscillators provide DPECL Fast Edge compatible signals. Systems
designers may now specify space-saving, cost-effective packaged PECL oscillators to meet their timing
requirements.
Features
• Wide frequency range–80.0MHz to 200.0MHz
• User specified tolerance available
• Will withstand vapor phase temperatures of 253°C
for 4 minutes maximum
• Space-saving alternative to discrete component
oscillators
• High shock resistance, to 3000g
• 3.3 volt operation
• Fast rise and fall times <600 ps
• Metal lid electrically connected to ground to
reduce EMI
• High Reliability - NEL HALT/HASS qualified for
crystal oscillator start-up conditions
• Low Jitter - Wavecrest jitter characterization
available
• Overtone technology
• High Q Crystal actively tuned oscillator circuit
• 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
Electrical Connection
Pin Connection
1 Enable/Disable
2 NC
3 VEE
4 Output
5 Output
Complement
6 VCC
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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