Manufacturing hybrid TCXOS

The authors discuss the Saber oscillator, a thick film, temperature-compensated crystal oscillator (TCXO) that was designed to provide Motorola with a small, inexpensive, highly reliable TCXO to operate as a reference oscillator for the synthesizers in its growing land mobile and cellular telephone markets. The crystal and compensation design is discussed to provide the background for a review of the manufacturing issues encountered. The authors describe several of the issues encountered in the manufacturing process and relate how these were addressed. Millions of Saber oscillators have been manufactured and it is still in volume production.<>