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  • Amplifier tube protector circuit

    2016-09-27 02:22:3960

    The amplifier tube protector circuit is as shown in the figure.Working principle: K is the power supply switch, T1 is the small control power transform...

  • The protection circuit of 555 fridge(2)

    2016-09-27 02:15:1362

    See as Figure 13-7, the circuit includes step-down rectified circuit, turning on delay circuit and controllable silicon control circuit. In the circuit...

  • The machine tool magnetic sucker low-current protection circ

    2016-09-27 02:08:0160

    See as the circuit, the +24V is generated by stepping down the 110V power supply. When the touch spot JK of the magnetic sucker circuit is closed, the ...

  • Electronic transformer with overcurrent protection circuit

    2016-09-27 01:08:3262

    Electronic transformer with overcurrent protection circuit shown in Figure:( 1 ) The core of the circuit is determined by C2, C3, T3, L3 trigger circui...

  • Delay to supply voltage for surge protector by scr

    2016-09-27 00:06:3362

    Power source that, when connected to an external circuit, and now will turn to a current surge.Power supply is a high voltage surges.External circuit t...

  • DC Regulator Power Circuit With Short Circuit Protection

    2016-09-26 23:53:4861

    The picture shows the DC regulator power with short circuit protection. The circuit uses the bistable circuit, which composed of VT7 and VT8, as the pr...

  • F_V_convener_with_input_diode_protection_against_high_voltag

    2016-09-26 21:10:4560

    F/V convener with input diode protection against high-voltage transients. Model 451 has a 0 to 10 kHz full scale input range and model 453 has a 0 to 1...

  • SIM Card Data Line Protection Schematic

    2016-09-26 20:25:5560

    As shown in data line protection for the SIM card. SIM card data line protection has been the focus of each companys products design. Select the device...

  • Current Reducing Protection Application Cirrcuit Composed of

    2016-09-26 20:24:3360

    The picture shown below is about the current-reducing protection application cirrcuit with output voltage of 15V and output current of 2A which is comp...

  • ELECTROSTATIC_PROTECTOR

    2016-09-26 19:27:4960

    A simple way to protect the gate of a power MOS device is to place back-to-back zener diodes between the device's gate and source (a). The breakdown vo...

  • M17 movement protection circuit

    2016-09-26 19:22:4760

    The M17 movement protection circuit is as shown:...

  • Over voltage, over current protection circuit

    2016-09-26 18:45:4361

    During normal working, Tr1 and Tr2 are both disconnected, 555 resets, the discharge transistor in 555 is connected, it drains current from the base of ...

  • Type K Thermocouple Signal Conditioner with ?190V Protection

    2016-09-26 18:33:2960

    View Full Size Image View Original Datasheet Thermocouple wires are intended to be electrically floating in order to detect temperature by producing th...

  • The speaker overload protection circuit

    2016-09-26 18:05:5880

    The speaker overload protection circuit is as shown in figure 5. The power is 650mW, the power voltage is 12V, the resistance of the speaker is 25Ω....

  • SPEAKER_OVERLOAD_PROTECTOR

    2016-09-26 17:27:0960

    The input to the circuit is taken from the amplifier's speaker-output terminals or jacks. If the right-channel signal is sufficiently large to charge C...

  • MEMORY_PROTECTING_REGU_LATOR

    2016-09-26 14:44:3660

    Developed for MOS RAM in which accidental removal of -5 V bias supply would allow buildup of currents flowing between +12 V and ground to value suffici...

  • Signal Wire Protection Circuit

    2016-09-26 13:53:3460

    Generally the signal wire would not be connected to ground when it is running. If take a two-polar gas discharging tube to connected between the two si...

  • PROTECTION_FOR_ORP_TUNING

    2016-09-26 10:33:3860

    Simple resistive SWR bridge provides dummy load, relative power output indicator, and safe method of tuning transmitter without destroying transistors ...

  • Solid_state_relay_circuit_with_input_protection_of_the_MOC30

    2016-09-26 10:26:5360

    Solid-state relay circuit with input protection of the MOC3011 triac driver. The input voltage to the protection circuit can be 3 to 30 volts DC (court...

  • ZENER_PROTECTS_METER

    2016-09-26 10:07:5360

    Simple overvoltage protection circuit makes 10-V zener conduct when voltage E1 being measured goes over 20-V full-scale limit of voltmeter using millia...

  • Three phase three-wire system phase failure protection circu

    2016-09-26 09:58:4560

    This is a three phase three-wire system power supply phase failure protection circuit, if lacking any phase of A, B, C, the optic coupler output level ...

  • MN67790 copyright protection decryption integrated circuit

    2016-09-26 07:56:2460

    The MN67790 is designed as one kind of copyright protection decryption integrated circuit that is produced by the Panasonic corporation, it can be used...

  • DC_meter_protection_circui

    2016-09-26 06:20:4060

    DC meter protection circuit. The diodes will not conduct until the voltage across the meter reaches 0.5 to 0.7 volts. For a typical meter movement with...

  • Overvoltage shutdown Protect Circuit

    2016-09-26 05:53:3060

    Sometimes it so happens that a bench power supply output remains no longer controlled because of a defect and invariably it shoots up dangerously. Thus...

  • Transceiver Saver (Overvoltage Protector)

    2016-09-26 05:53:0364

    This is a transceiver saver circuit that protect? a transceiver device (applicable to other device as well)? from overvoltage of the power supply. This...

  • PROTECTED_OUTPUT_STAGE

    2016-09-26 05:38:1560

    High-voltage passivated mesa transistor in output stage of Japanese home radio is protected by silicon varistor R.-T. Kojima and M. Watanabe, When You'...

  • 25 ohm speakers overload protection circuit diagram

    2016-09-26 04:46:4961

    25 ohm speakers overload protection circuit diagramThe power of overload protection is 650mW, power supply voltage is 12V, speaker 25ohm.Part of the co...

  • Protects steal touch model by IC741

    2016-09-26 04:23:1461

    Contain divide this friends many you may face a problem economical. A steal the very. Today I then beg for to advise the circuit protects steal again m...

  • ANALOG_SWITCH_PROTECTION_

    2016-09-26 01:13:0260

    Current-limiting resistors are used in series with sections of DG300 dual analog switch to limit contact currents to 30 mA continuous or 100 mA pulsed ...

  • Lm78l05 5v 500ma Regulator With Short Circuit Protection Cir

    2016-09-26 00:14:1372

    The awesome Power IC : Lm78l05 5v 500ma Regulator With Short Circuit Protection Circuit Schematic. image above is another portion National LM78LXX Seri...

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