This circuit multiplies the frequency of a signal by 100. The circuit was found in the October 1994 issue of Electronics Now magazine. The PLL does not operate above approximately a dozen megahertz.
We find this circuit in an American publication of 1978. The integrated circuit is the CMOS 4013...
We found this circuit in a 2005 Linear Technology application manual. The circuit makes use of a...
This circuit was found in an Electronics World of 1968, making use of components of the time, not...