- Similarly, the PTC technique is also applied to a differentially tuned LC oscillator.
- The oscillator consists of two Colpitts VCOs and a transformer, it uses transformer coupling technique and differentially tuned MOS varactors for reducing phase noise.
- The violin is not quite in tune with the piano.
- A small boy was beating out a tune on a tin can.
- He played a tune on his trumpet.
- Bob tuned in his portable radio to a record show.