04-24-2017, 05:20 PM
Have you checked the frequency of the oscillator? You can figure it it out by the settings of your scope time base (uSec/ div), or by placing a portable radio close by and tuning it 455 kHz above the Philco dial setting.
If you set the Philco to 1000 kHz, you should hear the osc signal at 1455 kHz on the portable.
If you set the Philco to 1000 kHz, you should hear the osc signal at 1455 kHz on the portable.
