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CPC Subgroup Additional Only
H03F 2203/50

Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower

Full Title

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00 > Indexing scheme relating to amplifiers in which input being applied to, or output being derived from, an impedance common to input and output circuits of the amplifying element, e.g. cathode follower

15 direct subcodes

Child Classifications

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  • H03F 2203/5003 the sources of two source followers are differentially coupled
  • H03F 2203/5006 the input signal being capacitively coupled to the gate of the source follower
  • H03F 2203/5009 the output signal being capacitively coupled to the source of the source follower
  • H03F 2203/5012 the source follower has a controlled source circuit, the controlling signal being derived from the drain circuit of the follower
  • H03F 2203/5015 the source follower has a controlled source circuit, the controlling signal being derived from the gate circuit of the follower
  • H03F 2203/5018 the source follower has a controlled source circuit, the controlling signal being derived from the source circuit of the follower
  • H03F 2203/5021 the source follower has a controlled source circuit
  • H03F 2203/5024 the source follower has a controlled source circuit, the source circuit being controlled via a capacitor, i.e. AC-controlled
  • H03F 2203/5027 the source follower has a current mirror output circuit in its source circuit
  • H03F 2203/5031 the source circuit of the follower being a current source
  • H03F 2203/5033 Two source followers are controlled at their inputs by a differential signal
  • H03F 2203/5036 the source follower has a resistor in its source circuit
  • H03F 2203/5039 the source circuit of the follower has one or more capacitors between source and supply
  • H03F 2203/5042 the source circuit of the follower has one or more coils between source and supply
  • H03F 2203/5045 the source follower has a level shifter between source and output, e.g. a diode-connected transistor