Pletronics: Manufacturer of High Quality Crystals and Oscillators

Documentation

Application Notes

• AN# 801: Comparative Analysis: MEMs versus Traditiional Quartz Oscillators - Application Note concerning the performance of MEMs devices as compared to standard quartz devices. Additional information to the article that appeared in the April 2009 issue of Electronics Products magazine.
• AN# 802: FD7T Users Guide - Information about the FD5/FD7 programmable oscillators, optimizing performance, spread spectrum options, power optimization, output signal termination and part numbering information.
• AN# 803: TCXO vs OCXO - A comparison between TCXO and OCXO technologies.
• AN# 804: FD5/FD7 Spread Spectrum Implementation - Describes the reasons Spread Spectrum is used and how the FD5/FD7 product can be used to reduce EMI/RFI.
• AN# 805: FD5/FD7 VCXO Capabilities - How to use the FD5 and FD7 as a VCXO.
• AN# 806: PECL Clocks and Termination - The termination requirements for the PECL/LVPECL output PE7, PE8, PE9 series oscillators are described. Also, interfacing the PECL outputs to other logic types are described. There is information about how to deliver 5.0V PECL signals.
• AN# 807: LVDS Clocks and Termination - The termination requirements of the LVDS output LV7, LV8 and LV9 series oscillators are described. Also, interfacing the LVDS outputs to other logic types are described.
• AN# 808: Power Supply Decoupling/Bypassing for Oscillators - Suggests capacitor types to use, added isolation with a resistor or ferrite RF inductors. Includes a PWB layout example.
• AN# 809: Comparison of using a Crystal Oscillator or a Crystal - Compares the pros and cons of buying a packaged oscillator versus that of buying a crystal and building the oscillator circuit in the end-use IC or on the PWB/PCB

Helpful Documents From Pletronics

• 3rd OT vs SAW Oscillator Performance - Comparison of a 3rd Overtone oscillator design and a SAW (Surface Acoustic Wave) resonator design.
  The differences in phase noise and temperature characteristics of these two technologies used to obtain high frequency references are covered.
• Deca-BDE - Statement concerning the EU RoHS Directive 2002/95/EC and Deca-BDE.
• Determining Peak to Peak Frequency Jitter - Given RMS Jitter, how is Peak to Peak Jitter determined.
• FD5 and FD7 Application Article - The article was written by Doctor Lin Wu of TI about the CDCE949 clock generator. This is the semiconductor device that operates the Pletronics FD5 and FD7 clock oscillators.
• Phase Noise under Vibration -- Theory and Test Results - Theoretical background and experimental results. By Mr. Bernd Neubig, AXTAL, GmbH & Co. KG
• Pletronics Catalog - This obsolete Pletronics catalog of devices is being provided to help in obtaining details of older and obsolete devices. The device specifications and information is not current.
  Last printed in late 2004.
• Quartz Resonator & Oscillator Tutorial - A tutorial about many of the devices and terms used in the Frequency Control Industry.
  Written by Dr. John Vig, US Army Communications-Electronics Research, Development & Engineering Center, Fort Monmouth, NJ, USA, J.Vig@IEEE.org

Product Change Notices

• Product Change Notification for TBA4007 - Product change notification for TBA4007 TCXO series for IC Change.
• SM10T - 7 November 2008: The ceramic package used for the SM10T are coming from different suppliers and there is differences in the pads. 1) The pads are different width. 2) The optional chamfered pad can vary in location. See the revised datasheet.
• SM11, SM76, LV11, LV76, LV78, PE11, PE33, PE37, PE76, PE78 Cover Change - Metal covers will no longer be supplied on the FR4 based products.

End Of Life Product Informatoin

• 2 Pad Cera/Cera Crystals - Discontinuance of 2 pad Cera/Cera SMD crystal series; SM12H2 and SM13H2
• 2 Pad Ceramic Crystal - Discontinuance of 2 pad SMD ceramic crystal series; SM11T2, SM12T2 and SM13T2
• 5.0 volt ceramic SMD oscillator above 70.0Mhz (DE, DES & DS part numbers) - Discontinuance of 5 x 7mm CMOS ceramic surface mount oscillator above 70.0 Mhz. (SM77xxDE, SM77xxDES, SM77xxDS part numbers only)
• 5.0V Metal Thru Hole Oscillators above 70.0Mhz - Discontinuance of Metal Through-hole style Oscillators at 5.0 Volts above 70.0 Mhz.
• CY26, CY39, and CY310 - Leaded tubular crytals that were never RoHS compliance. EOL issued 4/11/08
• Metal Through-hole style Oscillator under 70.0Mhz with exception of P1145-HCM-32.768K - P11 and SQ product Families
• PE1145BV-51.840M PECL Oscillator - Discontinuance of PE1145BV-51.840Mhz PECL Oscillator.
• S3381 - S3883 - 32.768KHz CMOS Oscillators
• S3884-32.768Khz Oscillator - Discontinuance of S3884-32.768K CMOS Oscillator.
• SM10S Watch crystal - Discontinuance of 2.5 x 7.3mm plastic package watch crystal.
• SM11xxC series Oscillators - Plastic J-Leaded Oscillators
• SM12S Crystal Series - Discontinuance of miniature 1.82 x 4.95mm 2 pad surface mount crystal.
• SM55xxT 5.0 Volt CMOS Oscillator Series - Discontinuance of 3.2 x 5.0mm CMOS ceramic surface mount oscillator series at 5.0 volts only. Part numbers affected SM55xxTE, SM55xxTES, SM55xxTS & SM55xxTY.
• SM77xxH 5.0 Volt CMOS Oscillator Series Under 70.0Mhz (HE, HS, HES & HY) - Discontinuance of 5 x 7mm CMOS ceramic surface mount oscillators below 70.0Mzh for 5.0 volts only. Part numbers affected SM77xxHE, SM77xxHS, SM77xxHES & SM77xxHY.
• TC4 and 3TC4 style TCXO Oscillators - Products Affected: Pletronics TC46, TC47, TC48, TC49, TV46, TV47, TV48, 3TC46, 3TC47, 3TC48, 3TC49, 3TV46, 3TV47, 3TV48
• VC1 & VC3 Series VCXO - Products Affected: Pletronics VC13H, VC14H, VC15H, VC16H, 3VC13H, 3VC14H, 3VC15H & 3VC16H
• WX26-32.768K-6PF-SMD - 6pF load capacitance surface mount watch crystal no longer available from production