Compact and lightweight, the Model 1856D frequency counter covers a wide frequency measurement range of 0.1 Hz to 3.5 GHz to address a broad spectrum of laboratory and service applications. The unit ...

Recently, for some reason, I have been seeing a lot of references to the good old MM5314/5/6 clock ICs from National Semiconductor. These were some of the first 40-pin LSI (large-scale integration) ...