Design of a High Stability Voltage Controlled Crystal Oscillator.
Abstract
Quartz crystal oscillator circuit characteristics are reviewed in respect to achieving a plus or minus 5 ppm overall center frequency tolerance for a 20-22 MHz VCXO under a wide range of operating conditions including channel selection by crystal unit replacement and the inadmissibility of temperature control. A crystal oscillator circuit is described which is capable of a frequency-temperature stability better than plus or minus 4 ppm over a 0 to 60C range while maintaining essential frequency deviation and linearity performance. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Feb 01, 1972
- Accession Number
- AD0737185
Entities
People
- Stanley S. Schodowski
Organizations
- United States Army Communications-Electronics Command