Patent ID: 11959947
Assignee: KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH
Field: Measurement (Instruments)
Classification: CPC G  B  H | IPC B  G

Claim 6:
7. The overvoltage protection circuit of claim 3, wherein the operational amplifier includes two npn amplifier transistors, a pnp amplifier transistor, two amplifier capacitors and three electrical amplifier resistors, wherein the inverting input of the operational amplifier is implemented as a control terminal of a first of the npn amplifier transistors, wherein the non-inverting input of the operational amplifier is implemented as a control terminal of a second of the npn amplifier transistors, wherein a first terminal of the first of the npn amplifier transistors and a first terminal of the second of the npn amplifier transistors are connected via a first of the amplifier resistors to the reference potential, wherein a second terminal of the first of the npn amplifier transistors is connected to a second terminal of the pnp amplifier transistor and to the regulation device for provision of the regulation signal, wherein a second terminal of the second of the npn amplifier transistors is connected to the output terminal, wherein a first terminal of the pnp amplifier transistor is connected to the input terminal, wherein a control terminal of the pnp amplifier transistor is connected via a second of the amplifier resistors to the regulation device, wherein a first terminal of a first of the amplifier capacitors is connected to the input terminal, wherein a second terminal of the first of the amplifier capacitors is connected between the control terminal of the pnp amplifier transistor and the second of the amplifier resistors, wherein a first terminal of a third of the amplifier resistors is connected to the control terminal of the first of the npn amplifier transistors, wherein a second terminal of the third of the amplifier resistors is connected to the output terminal, wherein a first terminal of a second of the amplifier capacitors is connected to the control terminal of the first of the npn amplifier transistors, and wherein a second terminal of the second of the amplifier capacitors is connected to the reference potential.