How do I obtain a copy of a custom Ecliptek crystal part specification approved for use with the ICS VCXO products?
A copy of the Ecliptek custom crystal part number specification (ECX prefix) can be obtained from your Ecliptek Sales Representative. Top of Page • Can I obtain frequencies outside the published frequency range? The existing custom crystal approved by ICS cover the frequency range of 8.192MHz to 28.321MHz. Only specific frequencies within this range have been approved by ICS. If a particular desired frequency is not listed on the ICS Approved VCXO Crystals listing, please contact us or ICS with your custom requirement. Top of Page • Can the customer use a clock oscillator in conjunction with the ICS VCXO IC’s? Using a packaged quartz crystal clock oscillator to drive the VCXO IC’s listed on MAN05 is not approved by ICS. These VCXO IC products require frequency modulation or “pulling” of an external crystal. Top of Page • Can I use a “strip resonator” quartz crystal with the ICS VCXO IC’s? The HC-49/U and UM-1 packages, with their round plano resonators, are the only package configurati