The dimensions are 70mm length x 36mm diameter. The source is internally screened by a unique ceramic sleeve.
Model 459 contains two lithium tantalate sensing elements and two JFET source followers sealed into a standard TO-5 transistor package with two optical filters and a broadband blocking mother window. A patented element mounting technique is used to improve the thermal time ...
Come From Silverlight Ltd.
Model 479 contains two lithium tantalate sensing elements and two JFET source followers sealed into a standard TO-5 transistor package with two optical filters. A patented element mounting technique is used to improve the thermal time constant and reduce effects of microphony. ...
Come From Silverlight Ltd.