This circuit uses currently uncommon components, including the 10.7 MHz (FI) filter. This circuit was found in Motorola's 1990 Linear Databook.
With the circuit shown in the figure, the frequency of a 5 MHz oscillator controlled by crystal can...
This circuit was obtained from Popular Electronics in 1993. It consists of a low frequency...
This circuit was found in a documentation from the 60s. The drive transistor is a power...