This is the circuit diagram of a simple electronic combination lock using IC LS 7220.This circuit can be used to activate a relay for controlling (on & off) any device when a preset combination of 4 digits are pressed.The circuit can be operated from 5V to 12V.
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Selasa, 14 Mei 2013
Posted by kumit on 05.15
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This is the circuit diagram of a simple electronic combination lock using IC LS 7220.This circuit can be used to activate a relay for controlling (on & off) any device when a preset combination of 4 digits are pressed.The circuit can be operated from 5V to 12V.
Rabu, 10 April 2013
Posted by kumit on 01.30
with No comments so far
The primary part of this Power Supply circuit
is the voltage regulator IC LM 317. This circuit is ideal for power
circuits as the circuit of the power amplifier can deliver a current of
2A. In this circuit the transistor acts as a pass transistor Q1 to
increase current capacity. The output voltage is set to 40V by using
resistors R5 and R8.Parts ListResistors:
R1 (39 ohm 1
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is the voltage regulator IC LM 317. This circuit is ideal for power
circuits as the circuit of the power amplifier can deliver a current of
2A. In this circuit the transistor acts as a pass transistor Q1 to
increase current capacity. The output voltage is set to 40V by using
resistors R5 and R8.Parts ListResistors:
R1 (39 ohm 1
Sabtu, 06 April 2013
Posted by kumit on 12.45
with No comments so far
The recent availability of a broad line of truly high-performance consumer integrated circuits makes it possible to construct a high quality, low noise, low distortion and low cost AM/FM/Stereo receiver. This is the complete design circuit for AM/FM/Stereo Receiver. This is the figure of the circuit;This circuit is using LM3089FM for control the operation in this circuit. The LM3089 FM IF System
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Kamis, 04 April 2013
Posted by kumit on 17.30
with No comments so far
The meaning STR in this article for example is a Sanken regulator series and Fairchild series STR-F/G/W KA05Q Is an ic Quasy Resonant Flyback (QRF) Swiching Regulator comprising (a) control IC and (b) power MOSFETs that are packed into a single unit. The regulator is designed so that only requires a few external components.How it works :A. UVLO (under voltage lock out)Regulators will start
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