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  • 1.2 to 20 V, 3A power supply

    . This circuit using LM350 adjustable 3 terminal positive voltage regulator is capable of supplying in excess of 3A over a 1.2V to 33V output range. VN:F [1.6.9_936]please wait…Rating: 7.0/10 (4 votes cast)VN:F [1.6.9_936]Rating: +1 (from 3 votes)

  • Programmable power supply with LM317

    .This circuit can program output voltage by turn-on/off transistors.When transistor turn on the resistor R will be connected to ground for determine output voltage. The maximum voltage of this circuit is 27V when input voltage is 28V. VN:F [1.6.9_936]please wait…Rating: 9.2/10 (6 votes cast)VN:F [1.6.9_936]Rating: +1 (from 3 votes)

  • Adjust negative power supply by 7905

    7905 is a negative regulator.<cut>But we can use it as adjust negative power supply.The buttom circuit can adjust output from -5 to -30V when input is -5.5 to 35V. Example :Vin = -20 V Radj Vout 33 -5.74 100 -6.99 330 -11.03 680 -18.20 </cut> VN:F [1.6.9_936]please wait…Rating: 6.2/10 (6 votes cast)VN:F [1.6.9_936]Rating: 0 (from […]

  • Interfaces with TTL-CMOS

    Connection, if it has the same power supply. <cut> Interfacing when power supplies is not the same level. </cut> VN:F [1.6.9_936]please wait…Rating: 6.0/10 (2 votes cast)VN:F [1.6.9_936]Rating: +1 (from 1 vote)

  • Basic Regulated power supply

    This is a basic circuit regulated power supply happens ZD1 heart of this circuit is based on T1 TRANSISITOR the determination of the power demand voltage.So when the output voltage, you just need to change the rate Zener voltage.<cut> Remember that the output voltage of all days is less than base voltage 0.6 V, for […]

  • Basic dual power supply

    This is a basic circuit dual power supply, the fixed output voltage voltage.This circuit amplifiers used in general far OCL. The output voltage follows: Vo = 1.414 x Vac If Vac = Secondary voltage transformer. for exaple if transformer output voltage V 24-0-24 1.414 x 24 = 34V The capacitor voltage rating should have been […]

  • RS232 transceiver circuits

    There are several RS232 transceiver circuit used for commond communicated between microcontroller and other devices such as PCs or devices rs232.Here is a collection of RS232 transceiver circuits that use well-known for today. 2 transistor The circit using 2-transistor and some components RS232 transceiver.It useful for the lowest application dose not provide a long duration. […]

  • Variable AC Power Supply Circuit

    VN:F [1.6.9_936]please wait…Rating: 6.4/10 (7 votes cast)VN:F [1.6.9_936]Rating: 0 (from 0 votes)


    VN:F [1.6.9_936]please wait…Rating: 8.5/10 (4 votes cast)VN:F [1.6.9_936]Rating: -1 (from 1 vote)

  • RS-232 Serial Interface Status Indicator Circuit

    VN:F [1.6.9_936]please wait…Rating: 7.2/10 (5 votes cast)VN:F [1.6.9_936]Rating: +1 (from 1 vote)