H03C1/542 - CPC Classification

Amplitude modulation; Modulators in which carrier or one sideband is wholly or partially suppressed; Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes

• H03C1/545 » {using bipolar transistors} 0
• H03C1/547 » {using field-effect transistors} 9