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guard circuit vs protection circuit

Both 'guard circuit' and 'protection circuit' are correct phrases, but they are used in different contexts. 'Guard circuit' is typically used in the context of electronics to refer to a circuit that protects against interference or leakage, while 'protection circuit' is a more general term that can refer to any circuit designed to protect a system or component from damage.

Last updated: March 25, 2024 • 608 views

guard circuit

This phrase is correct and commonly used in the context of electronics.

A 'guard circuit' is a circuit used in electronics to protect against interference or leakage. It is designed to ensure the accuracy and reliability of measurements by minimizing unwanted signals.

Examples:

The sensitive equipment is connected to a guard circuit to prevent any external interference.
The guard circuit helps maintain the accuracy of the measurements by minimizing leakage currents.
The guard circuit is essential for ensuring the reliability of the data collected.

Show examples from the web [+]

3-ton steel gates, 24/7 armed guards, closed circuit cameras, NOC staffing.
(ii) safety logic units for an emergency stop or movable guard control circuit,
I want both of you to stand guard while I remove the circuit board.
If we can get that guard away, we can short the circuits, cause a blackout.
If we can get that guard away, we can short the circuits, cause a blackout.

Alternatives:

shielding circuit
interference protection circuit
leakage protection circuit
noise reduction circuit
signal integrity circuit

protection circuit

This phrase is correct and commonly used in various contexts to refer to a circuit designed to protect a system or component from damage.

A 'protection circuit' is a circuit that is designed to prevent damage to a system or component by controlling voltage, current, or other parameters. It is used in various applications to ensure the safety and reliability of electronic devices.

Examples:

The protection circuit shuts down the system in case of overvoltage.
The battery pack includes a protection circuit to prevent overcharging.
The protection circuitry safeguards the sensitive components from power surges.
The protection circuit ensures the safe operation of the equipment.
The device features a built-in protection circuit for thermal management.

Show examples from the web [+]

safeguards by means of certification and by closing the crop protection circuit,
safeguards by means of certification and by closing the crop protection circuit, - improving levels of knowledge about crop protection, - promoting innovation, as regards both agricultural and horticultural systems on the one hand and the products used on the other;
The built-in power supply is suitable for use with voltages from 200 to 250V AC. Multiple protection circuits support trouble free operation: automatic switch-off at too high SWR or too high temperature.
Attention shall be paid to the provision of overload and short-circuit protection of all circuits, except engine starting circuits, supplied from batteries.
.5 short-circuit protection only shall be provided for steering gear control supply circuits.
ANNEX H - ELECTRICAL PROTECTION: MAIN CIRCUIT BREAKER TRIPPING
Electrical protection: main circuit breaker tripping
.3 Short-circuit protection and an overload alarm shall be provided for steering gear electric and electro-hydraulic circuits and motors.
short circuit protection only shall be provided for steering gear control supply circuits.
Aeroplanes shall be equipped with spare electrical fuses, of the ratings required for complete circuit protection, for replacement of those fuses that are allowed to be replaced in flight.
Aeroplanes shall be equipped with spare electrical fuses, of the ratings required for complete circuit protection, for replacement of those fuses that are allowed to be replaced in flight.
Multi-circuit protection valve or pressure relief valve not working.
The cross-section of the bonding cable will depend on the current in the electrical installation, but shall be of a suitable size to guarantee reliable operation of the circuit protection devices, in the event of a fault.
Check time required for vacuum or air pressure to reach safe working value and function of warning device, multi-circuit protection valve and pressure relief valve.
Furthermore, it also performs several different electrical functions besides making connections to or in electrical circuits, such as galvanic separation and protection against over-voltage and common mode noise.
It is therefore necessary to guarantee consumer protection and to ensure effective monitoring of the financial circuits relating to such activities in order to prevent or combat money laundering.
When the circuit breaker of a traction unit is going to be closed, with the input filter (if fitted), the transient current should not cause the protection devices in the sub-stations to trip unnecessarily.
Lives are regularly saved by crew members who have learnt a number of tasks: the evacuation of trains, the protection of passengers, signalling, the activation of certain alarm circuits.
Electrical accessories - Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB's) - Part 1: General rules(IEC 61008-1: 1990 + A1: 1992 (Modified)) | NONE | - |
Electrical accessories - Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO's) - Part 1: General rules(IEC 61009-1: 1991 (Modified)) | NONE | - |

Alternatives:

safety circuit
overload protection circuit
surge protection circuit
fault protection circuit
circuit breaker

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