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  • TOSHIBA F3SS color TV movement protection circuit

    2016-09-10 13:24:2461

    1.+B line over-current protection circuitWhen the +B line is over-current, the current of R470 increases, the pressure drop of R470 increases. When the...

  • Telephone and facsimile apparatus protection circuit

    2016-09-10 12:35:1660

    Telephone and facsimile apparatus protection circuit is shown as above,due to the exterior line often appears instantaneous high voltage to result in t...

  • 555 simple electric leakage protector circuit

    2016-09-10 10:53:0460

    As shown in the figure 10-7, the protector is composed of transformer, preamplifier stage and monostable delay circuit and relay. The protection action...

  • LOGIC_PROTECTOR

    2016-09-10 08:11:1960

    Simple bidirectional triac crowbar can be set so positive voltages above 6 V and negative voltages greater than 1.5 V cannot reach digital logic. Artic...

  • SPEAKER_PROTECTOR

    2016-09-10 07:37:4261

    Most of the transistors in this speaker protector function as switches. Normally, Q4, Q5, and K1 are on and the speakers are connected to the amplifier...

  • Rectifier over-current protection circuit diagram

    2016-09-10 07:20:1464

    As the voltage fluctuations or man-made distribution incidents often make the power grid generate surge over-voltage phenomenon, then the electronic eq...

  • Hotbox Overheating Protection Schematic Circuit

    2016-09-10 06:13:4461

    Figure 1 is a schematic circuit of hotbox overheating protection circuit. Under normal circumstances, adjust RP1 so that Ui ≥ 2Uc / 3, and position 7...

  • The overvoltage protection circuit

    2016-09-10 06:08:0561

    When the external voltage does not exceed the set E voltage Vs, negative resistance light-emitting diode VD1 it cutoff, VT is cutoff because of no base...

  • AMPLIFIER_PROTECTOR

    2016-09-10 05:51:0560

    Unprotected amplifiers in noninverting, single-supply, voltage-follower stages might need external protection if input signals can exceed the rail volt...

  • Protection of USB Port from Overvoltage and Overcurrent

    2016-09-10 05:42:3861

    View Full Size Image View Original Datasheet The LTC4362 monolithic overvoltage/overcurrent protector safeguards 2.5V to 5.5V systems from power supply...

  • The household appliance over-voltage protector circuit

    2016-09-10 03:02:3660

    The working principle of the device circuit is shown in figure 1. After the AC mains is stepped down and limited by capacitor C1, it is then rectified ...

  • Lightning/Surge Protector Circuit Using Gas Discharge Tube (

    2016-09-10 02:29:5861

    Gas Discharge Tubes (GDT) Introduction GDT’s are special type of gas filled tubes used for wide range of electronic/electrical circuits for providing...

  • FAST_OVERVOLTAGE_PROTECTOR

    2016-09-10 01:11:5262

    This circuit protects expensive portable equipment against all types of improper hookups and environmental hazards that could cause an overvoltage cond...

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