CPC Subgroup
H03D 7/02 by means of diodes (H03D7/14 - H03D7/22 take precedence)
Full Title
Transference of modulation from one carrier to another, e.g. frequency-changing (H03D9/00, H03D11/00 take precedence; dielectric amplifiers, magnetic amplifiers, parametric amplifiers used as a frequency-changers H03F) > by means of diodes (H03D7/14 - H03D7/22 take precedence)
1 direct subcode
Child Classifications
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- H03D 7/04 having negative resistance characteristic, e.g. tunnel diode