H03F2203/30 - CPC Classification Index

ClassID:

219752 ⎘

H03F2203/30 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor

Sub-classes:

H03F2203/30003 » the SEPP amplifier stage comprising calibration possibility 4
H03F2203/30006 » the push and the pull stages of the SEPP amplifier are both current mirrors 6
H03F2203/30009 » the push and pull stages of the SEPP amplifier are both cascode current mirrors 0
H03F2203/30012 » the two SEPP amplifying transistors are Darlington composite transistors 3
H03F2203/30015 » An input signal dependent control signal controls the bias of an output stage in the SEPP 57
H03F2203/30018 » A series coupled active resistor and capacitor are coupled in a feedback circuit of a SEPP amplifier 0
H03F2203/30021 » A capacitor being coupled in a feedback circuit of a SEPP amplifier 22
H03F2203/30024 » the SEPP bias current being controlled by a control signal from a feedback circuit 4
H03F2203/30027 » the SEPP bias voltage being controlled by a control signal from a feedback circuit 6
H03F2203/30031 » A resistor being coupled as feedback circuit in the SEPP amplifier 26
H03F2203/30033 » A series coupled resistor and capacitor are coupled in a feedback circuit of a SEPP amplifier 22
H03F2203/30036 » A feedback circuit to stabilise the SEPP being used 12
H03F2203/30039 » the SEPP bias current being controlled by a control signal from a feedforward circuit 0
H03F2203/30042 » the SEPP bias voltage being controlled by a control signal from a feedforward circuit 1
H03F2203/30045 » the SEPP power transistors comprising measuring push or pull transistors to produce a controlling signal 0
H03F2203/30048 » the SEPP amplifier has multiple SEPP outputs from paralleled output stages coupled in one or more outputs 1
H03F2203/30051 » the SEPP amplifying transistors are composed of multiple coupled transistors 3
H03F2203/30054 » the SEPP power transistors are realised as paralleled cascode coupled transistors, i.e. the push or the pull transistors 0
H03F2203/30057 » the SEPP power transistors are realised as paralleled FETs, i.e. the push or the pull transistor 4
H03F2203/30061 » One or more current mirrors are used as bias circuit or stages for the push or pull stages 12
H03F2203/30063 » A differential amplifier being used in the bias circuit or in the control circuit of the SEPP-amplifier 5
H03F2203/30066 » A optical element being used in the bias circuit of the SEPP-amplifier 1
H03F2203/30069 » A SEPP amplifier with a reactive element in the bias circuit 1
H03F2203/30072 » the SEPP has a power supply switchable by a controlling signal derived from the input signal 2
H03F2203/30075 » the SEPP has a power supply switchable by a controlling signal derived from the output signal 0
H03F2203/30078 » A resistor being added in the pull stage of the SEPP amplifier 21
H03F2203/30081 » the pull transistor circuit comprising one or more capacitors 9
H03F2203/30084 » the pull circuit of the SEPP amplifier being a cascode circuit 27
H03F2203/30087 » Only the bias of the pull transistor of the SEPP being dynamically controlled by the input signal 1
H03F2203/30091 » the pull side of the SEPP amplifier has an extra drive follower stage to control this pull side 1
H03F2203/30093 » the pull side of the SEPP amplifier has an extra drive inverter stage to control this pull side 0
H03F2203/30096 » An op amp being used as extra drive amp for the pull side of the SEPP 1
H03F2203/30099 » the pull transistor being gated by a switching element 20
H03F2203/30102 » the pull transistor has a measuring transistor for controlling purposes 0
H03F2203/30105 » the pull transistor of the asymmetrically driven SEPP amplifier being a driven current mirror 2
H03F2203/30108 » the pull transistor of the SEPP amplifier being a cascode current mirror 1
H03F2203/30111 » A resistor being added in the push stage of the SEPP amplifier 23
H03F2203/30114 » the push transistor circuit comprising one or more capacitors 12
H03F2203/30117 » the push circuit of the SEPP amplifier being a cascode circuit 27
H03F2203/30121 » Only the bias of the push transistor of the SEPP being dynamically controlled by the input signal 0
H03F2203/30123 » the push side of the SEPP amplifier has an extra drive follower stage to control this push side 2
H03F2203/30126 » the push side of the SEPP amplifier has an extra drive inverter stage to control this push side 0
H03F2203/30129 » An op amp being used as extra drive amp for the push side of the SEPP 1
H03F2203/30132 » the push transistor being gated by a switching element 19
H03F2203/30135 » the push transistor has a measuring transistor for controlling purposes 0
H03F2203/30138 » the push transistor of the asymmetrically driven SEPP amplifier being a driven current mirror 3
H03F2203/30141 » the push transistor of the SEPP amplifier being a cascode current mirror 1
H03F2203/30144 » the SEPP comprising a reactive element in the amplifying circuits 12
H03F2203/30147 » the current sink of the push driven, i.e. source driven SEPP amplifier being a current mirror 3
H03F2203/30151 » the current sink of the push driven, i.e. source driven SEPP amplifier being a cascode current mirror 0
H03F2203/30153 » the current source of the pull driven, i.e. sink driven SEPP amplifier being a current mirror 3
H03F2203/30156 » the current source of the pull driven, i.e. sink driven SEPP amplifier being a cascode current mirror 0