Rangkaian Kristal Tester

Kristal TesterIn the world of electronics using crystal oscilator almost always in use. In the circuit below is a series to test the crystal. (Not measuring frequensy). With this circuit we could find out whether the crystal is still good or not. Test Clip to attach electrodes on crystal (foot), S1 in the press (On) then LED1 will light...

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Rangkaian Kabel (lan) Tester.

Kabel TesterCircuit of cable tester with a separate LED Will show open circuits, short circuits, reversals, earth faults, continuity and all with four IC's. The circuit comprises transmitter and receiver, the cable under test linking the two. The transmitter is nothing more than a "LED chaser" the 4011 IC is wired as astable and clocks...

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Fuse|Sekring Elektronika.

Rangkaian Fuse ElektronikaCircuit of fuse (sekring) electronic designed to operate on 230V AC with an adjustable trip current. When the current through the load exceeds a level determined by the position of the wiper on the 1k wire-wound pot, this circuit cuts off the load immediately. If S1 is open, the range is approximately 300-650 mA,...

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Rangkaian Op-Amp (LM741) Pre-Amp Mic

Op-Amp Pre-Amp Mic This is the circuit of Op-Amp Microphone Preamplifier using a single power supply, this circuit suitable for dynamic or electret microphones. Nothing too special here. The Schematic is shown using a dynamic microphone, for use with an electret a pair of suitable biasing resistor is required to power the electret microphone.Skema...

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Rangkaian Indikator Suhu Air.

Indikator Suhu AirThis is a circuit that serves to indicate various levels of hot water in a tank. SW1 is a normally open press button switch which allows you to view the level of hot water in a hot water tank. When pressed the voltage difference at the junction of the thermistor and preset is compared to the fixed voltage on the op-amps...

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Rangkaian Osilator Gelombang Sinus Variabel.

Osilator Gelombang Sinus Variabel (15 to 150kHz)This is a circuit of sine wave oscillators covering a frequency range of 15 to 150kHz in four switched steps. Two conditions exist for a sinusoidal oscillator. Regenerative or positive feedback, and a closed loop gain of unity. The losses in the wien feedback circuit, are such that the open-loop...

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3 - 6 volt Mini amplifier

Rangkaian 3 volt Mini amplifierThis is a mini 2W audio amplifier is suitable for small handheld radios and other portable audio gadgets. The amplifier circuit can be run from 3Volt. This Mercury is ideal for battery operated module. The potentiometer circuit can be used to control volume. Capacitor C1 and C2 are designed to filter supplyvoltage...

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Rangkaian Gitar Reverb Efek

Gitar Reverb EfekThis is the circuit of guitar reverb circuit, it is suitable for use as a front-end to a guitar amplifier. This circuit features clipping indicators on the preamp and reverb recovery stages, allowing for the optimal gain settings.SpecificationsSkema rangkain gitar reverb efekThe guitar input stage is a class A amplifier...

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Rangkaian Efek Gitar Sederhana

Rangkaian Efek Gitar For you who like to assemble their own or following electronic love is one of a series of simple Treble BoosterTreble Booster seldom used by guitarists, and if the only digunakanpun final choice, but there are also still likes the sound of guitar effects "Treble Booster" Screaming Bird Treble Booster was first introduced...

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Microphone Komputer

Microphone KomputerThe sound card for a PC generally has a microphone input, speaker output and sometimes line inputs and outputs. The mic input is designed for dynamic microphones only in impedance range of 200 to 600 ohms. Lazar has adapted the sound card to use a common electret microphone using this circuit. He has made a composite amplifier...

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Rangkaian Audio Tone Control 2 Transistor

Audio Tone Control 2 TransistorAudio tone control circuit based transistors on these provides a maximum cut and boost of around 10dB at 10K and 50Hz.Skema rangkaian audio tone control 2 transistorThe first BC109C transistor is acting as a buffer. It provides the circuit with a high input impedance, around 250k has a voltage gain of slightly...

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Rangkaian 8Watt Audio Amplifier TDA2030

Audio TDA2030This is a circuit of 8-watt audio amplifier IC TDA2030-based mono. When you use 4 ohm speakers then you get 14 watts output power, and around 8 watts if you use 8 ohm loudspeaker.Skema rangkaian audio TDA2030Although the TDA2030 is capable of delivering 20 watts of audio power, I deliberately reduced the output to about 8 watts...

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Rangkaian Pengendali Kipas Menggunakan Temparatur

Pengendali Kipas Menggunakan TemparaturThis circuit will trigger a relay when a preset temperature is reached. The circuit uses a NTC thermistor with a resistance of 47k at room temperature. The circuit is set in balance by adjusting the the 47k Potentiometer. Any change in temperature will alter the balance of the circuit, the output of...

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Rangkaian ALarm|Sirine Berbasis SCR

ALarm|Sirine Berbasis SCRThis is a simple SCR based burglar alarm circuit. Its features include automatic Exit and Entry delays - together with a timed Bell cut-off and Reset. It's designed to be used with the usual types of normally-closed input devices such as - magnetic-reed contacts - micro switches - foil tape - and PIRs.Skema rangkaian...

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Control|Pengendali Relay MenggunakanTransistor

Control (Pengendali) Relay The following series of functions to control the relay kutup. With an input signal greater than 0.3V pk-pk (100mV RMS) the positive half of the waveform will switch on transistor Q1, and Q2 and the relay. As the input signal switches to its negative transition, Q1 will switch off, but the base current in using-multimeter-to-measure-transistor.html">transistor...

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Pembanding Tegangan Menggunakan Op-Amp

Rangkaian Pembanding TeganganThis following project serves to compare whenever the input voltage differs from two defined limits, V1 and V2. This circuit will provide an indication whenever the input voltage differs from two defined limits, V1 and V2. The supply voltage, Vcc must be higher than the highest input voltage by at least 2 volts....

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Rangkaian Booster TV Sederhana

Rangkaian Booster TVThis is circuit that can be used to strengthen the RF signals from a television antenna work at UHF frequencies in the range 450-800MHz. It has a gain of around 10dB and is suitable for boosting weak TV signalsSkema rangkaian booster TV sederhanaThe tuned circuit comprising the 15nH inductor and 2.2pF capacitor resonate...

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Rangkaian Pemancar TV|Video Sederhana

Pemancar TV|Video PALThe following is a series of simple TV transmitter using negative using sound modulation and PAL video modulation. This is suitable for countries using TV systems B and G.Skema rangkaian pemancar TV|Video sederhanaNote:This circuit will be illegal in some countriesThe frequency of the transmitter lies within VHF and...

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Rangkaian Teks|Huruf Berjalan Sederhana

Teks|Huruf Berjalan SederhanaThis is a running message display circuit wherein the letters formed by the LED arrangement light up progressively. Once all the letters of the message have been lit up, the circuit gets reset.The circuit is built CD4017BC counter menggukan decades. One of the CD4017BE's features is its provision of ten fully...

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Rangkaian Senapan|Pistol Elektromagnetik

Senapan|pistol elektromagnetikThis is a miniature magnetic gun. when sakla 1 in press, it will propel a small slug about 1.5 meters high, 2.5 meters or horizontally. IC 555 is a timer in astable mode, sending approx. 10 ms pulses to decade counter IC2. IC2 is continually reset through R3, until pin 15 is taken low through the "Fire" button....

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Rangkaian Driver (Penggerak) PlayBack TV

Driver (Penggerak) PlayBack TVThis is an efficient flyback driver for modern cylindrical rectified television flybacks. Frequency range can be increased using multiposition switch for other values of C3 capacitor, for example 2 nF for 80KHz-200000KHz, but didn't found flybacks with so high resonant frequencies, in addition with higher values...

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Rangkaian Kontrol Motor DC Sederhana

Kontrol Motor DC SederhanaThe following is a circuit that can be used to control the dc motor rotation direction. S1 and S2 are normally open, push to close, press button switches. The diodes can be red or green and are there only to indicate direction. You may need to alter the TIP31 transistors depending on the motor being used. Remember,...

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