A new low profile DOCXO

Two years ago Morion Incorporated introduced its first DOCXO model. Since that time Morion have produced more than 15000 of such DOCXO mainly for CDMA application. Now we introduce the new DOCXO design having much lower height. Generally the height reduction of the oscillator´s case decreases thermal resistance between ovenized components of the oscillator and ambient. This factor causes degradation of the frequency stability versus temperature. In the new DOCXO temperature stability is achieved by increase of thermal gain of the two-stage oven, decrease of thermal gradients in the outer oven´s case, and use of some elements, which decrease the thermal link between inner and outer ovens. The major technical characteristics of this DOCXO are: standard frequencies 4.096; 5.0; 8.192; 10.0; 12.288; 15.0; 16.384; 20.0 MHz; frequency stability: versus temperature range -40...+70°C ±1*10^-10, ±2*10^-10; versus supply voltage change 12V±10% ±5*10^-11; versus load change 50 ohm ±10% ±1*10^-10; versus aging per day ±1*10^-10; Allan variance for 1s 1*10^-12; output level 7±2 dBm; power consumption <3 W (steady state @25°C); dimensions 2ⁿ*2^11*1¹¹ (50.8*50.8*25.4mm).