Upon connecting the standard to the frequency counter for calibration, he found that the HP 53131 had an awful internal oscillator. The official high stability timebase add-on from HP cost about ...

A 4521 frequency divider chip uses an on-board 4.194304 MHz crystal oscillator to time both the display latching and the counter clearing. [Miguel] mentions that tuning the load capacitors is a ...

View Self-contained ring oscillator, frequency 32KHz. VCC11A=1.08V~1.32V; UMC 55nm LP/RVT Low-K Logic process full description to ...