Telephone Ringtone Generator frequency. Refer the figure that signifies waveforms obtainable at several points including the collector of transistor T3. Preset VR2 could be utilized for adjusting the amplitude of the ring tone.
Telephone Ringtone Generator frequency. Refer the figure that signifies waveforms obtainable at several points including the collector of transistor T3. Preset VR2 could be utilized for adjusting the amplitude of the ring tone.