This circuit with the PA7601 was found in a 1967 Philco-Ford documentation. The circuit has a pass band from 45 to 120 MHz.
The circuit shown is a Pierce type oscillator and operates at the fundamental frequency of the...
This useful power supply was found in an 1985 Italian publication, but can still be assembled...
This circuit produces a signal at a frequency of 455 kHz, based on a ceramic resonator CSA455E, by...