SN-A2970 NEL Frequency Controls Inc., SN-A2970 Datasheet
SN-A2970
Manufacturer Part Number
SN-A2970
Description
Differential Positive Ecl Dpecl
Manufacturer
NEL Frequency Controls Inc.
Datasheet
1.SN-A2970.pdf
(3 pages)
Differential Positive ECL (DPECL)
SN-A2970 Series
Description
The SN-A2970 Series of quartz crystal oscillators provide DPECL Fast Edge compatible signals. This
device is to operate using positive voltage and uses multiple ground pins for improved signal integrity. This
device is intended to operate on positive voltage for PECL applications.
Features
• Wide frequency range–671.0MHz to 1.7GHz
• User specified tolerance available
• Case at electrical ground
• All metal, resistance weld, hermetically sealed
• High shock resistance, to 1500g
• Low Jitter - Wavecrest jitter characterization
Electrical Connection
Pin
10
15
16
1
2
7
8
9
package
available
V
V
Output
/Output
V
V
V
V
Connection
EE
CC
EE
CC
CC
EE
Ground
Ground
Ground
CRYSTAL CLOCK OSCILLATORS
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881
PRELIMINARY
• High Reliability - NEL HALT/HASS qualified for
• Overtone technology
• High Q Crystal actively tuned oscillator circuit
• Power supply decoupling internal
• Dual ground plane for added stability
• No internal PLL avoids cascading PLL problems
• High frequencies due to proprietary design
• RoHS Compliant, Lead Free Construction
crystal oscillator start-up conditions
Email:
Data Sheet 0325B
nelsales@nelfc.com
Rev. D
www.nelfc.com
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SN-A2970 Summary of contents
Page 1
... Differential Positive ECL (DPECL) SN-A2970 Series Description The SN-A2970 Series of quartz crystal oscillators provide DPECL Fast Edge compatible signals. This device is to operate using positive voltage and uses multiple ground pins for improved signal integrity. This device is intended to operate on positive voltage for PECL applications. ...
Page 2
... CRYSTAL CLOCK OSCILLATORS Continued SN-A2970 Series Differential Positive ECL (DPECL) Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol Frequency ----- Duty Cycle ----- (2) Logic (2) Logic Rise & Fall Time tr,tf 20-80%V (3) Jitter, RMS ----- (4) Enable Voltage ---- Disable Voltage ----- (1) Frequency Stability dF/F Overall conditions including: voltage, calibration, temp ...
Page 3
... CRYSTAL CLOCK OSCILLATORS Continued SN-A2970 Series Max Reflow Profile 357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881 Data Sheet 0325B Rev. D Email: nelsales@nelfc.com www.nelfc.com ...