Time base generating circuit for electronics test equipment, has oscillator circuit coupled with inverted-mesa-AT-cut-quartz crystal and oscillating with fundamental frequency of resonator, and output stage generating clock signal

摘要

The circuit has an inverted-mesa-AT-cut-quartz crystal resonator (3), and an oscillator circuit (2) coupled with the resonator and oscillating with a fundamental frequency of the resonator. An output stage generates a clock signal with the fundamental frequency of the resonator, where the resonator and the oscillator circuit are thermally coupled with an environment (6) having a controlled temperature, which is different from a surrounding external environment (32). The environment (6) has a water flow-heat ejection system.