US 2023/0403834 A1 · ELECTROMAGNETIC INTERFERENCE SUPPRESSION CIRCUIT AND INTELLIGENT ELECTRONIC DEVICE

Abstract

Provided in the embodiments are an electromagnetic interference suppression circuit and an intelligent electronic device. The electromagnetic interference suppression circuit comprises at least one ferrite bead located at the input port of the circuit, a transient voltage suppression diode, wherein either terminal of the transient voltage suppression diode is connected with the at least one ferrite bead, a resistor network connected with the transient voltage suppression diode, and an optocoupler with an alternating current input response coupled to resistor network.

Claims8

Dependent claims

An electromagnetic interference suppression circuit comprising:

at least one ferrite bead disposed at the input port of the circuit;
a transient voltage suppression diode, wherein either terminal of the transient voltage suppression diode is connected with the at least one ferrite bead;
a resistor network connected with the transient voltage suppression diode;
and an optocoupler with an alternating current input response coupled to resistor network.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

17/837,153Filed 10 Jun 2022

Published

14 Dec 2023

Term ends

Not estimatedThe source records don’t support an estimate.

Classification10 codes

H04B 10/802
Using optical interconnects, e.g. light coupled isolators, circuit board interconnections: for isolation, e.g. using optocouplers
H10W 42/20
Arrangements for protection of devices: protecting against electromagnetic or particle radiation, e.g. light, X-rays, gamma-rays or electrons
H03H 7/06
Frequency selective two-port networks: including resistors
H10W 90/00
Package configurations

Electromagnetic interference suppression circuit and intelligent electronic device

Life of this patent

Electromagnetic interference suppression circuit and intelligent electronic device

Life of this patent

Abstract

Claims8