OCXO Upgrade for PM66XX Frequency Counter
### DESCRIPTION
OCXO Upgrade for older Philips Frequency Counter PM66XX, Original by Dan Watson - with improved VCC Filtering
### TECHNICAL DETAILS / COMPONENTS
new L1: 10 ... 22uH min. 0.5A (8x8mm) or without (solder bridge on J1)
RG1: Recom 78C5.0-1.0 or Traco Power TSR 1-2450
OCXO: CTS 1960017 or CTS 970-2178-46 (10MHz Sine Wave Output)
other parts see below
### LEARN / TOPIC / BUILD INSTRUCTIONS
see http://syncchannel.blogspot.com/2016/04/flukephilips-pm66xx-frequency-counter.html
OCXO Upgrade for PM66XX Frequency Counter
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
Attribution-ShareAlike (CC BY-SA) License
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Ubirata Ruza
Apr 09,2021
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