CPC Subgroup
H03C 1/36 by means of semiconductor device having at least three electrodes (H03C1/34, H03C1/50, H03C1/52, H03C1/62 take precedence)
Full Title
Amplitude modulation (H03C5/00, H03C7/00 take precedence) > by means of semiconductor device having at least three electrodes (H03C1/34, H03C1/50, H03C1/52, H03C1/62 take precedence)