hardisk
hardisk adalah salah satu perangkat keras komputer yang berguna untuk menyimpang data. hardisk dapat dibedakan menjadi dua. yaitu hardisk internal dan hardisk ekternal.
firetext smoke alarm
Alarms can be generally defined as sound a warning or notice. In terms of networks, alarms can also be defined as a message containing a notification when there is a decrease or failure in the delivery of data communication signals or any equipment that is damaged (reduced performance). Continue reading
audio mixer
Audio mixers are widely used in many recording studios hal.sebagai example, public call system (public address) systems, sound reinforcement, broadcasting both radio and television, and also post-production filmmaking. An example of a simple application, in a musical for example, audio mixer will be an important part as a collection point of each microphone is plugged in, set the size of the sound level so that the balance of the sound level of both vocal and music will be achieved before amplified by the amplifier Continue reading
wiimote
The Wii Remote is the primary controller for Nintendo’s Wii console. The main feature of the Wii Remote is a motion sensor, which allows users to interact and manipulate the objects contained on the screen through the motion detection and bookmark by using an accelerometer and optical sensor technology. Continue reading
earphone
I think almost everyone even though village or city already know these earphones. Sometimes there are many people refer to it as a headset. Earphones are a kind of tool that can transform electrical energy into sound waves. These earphones are generally connected to the phone, vcd, cd or laptop and then plugged into our ears to listen to the songs or the radio. Continue reading
NPN transistor
NPN transistor can be regarded as two single-anode diodes fights back. In normal use, meeting the emitter-base pn dipanjar forward and meeting the base-collector dipanjar retreat. In the NPN transistor, for example, if a positive voltage applied to meeting the base-emitter, the balance between heat and stirred carrier electric field at the regional refuse impoverishment become unbalanced, allowing electron heat bothered to go into the base area. Continue reading
transistor
Transistors are semiconductor devices used as an amplifier, a circuit breaker and junction (switching), voltage stabilization, signal modulation, or as other functions. Such transistors can function electric valves, where according to input current (BJT) or voltage input (FET), allowing a very accurate electrical conduction of the electrical source circuit. Continue reading
Schottky diode
Schottky diode is a special type of diode with low voltage. When current flows through the diode will be detained by the internal resistance, which causes a small voltage at the diode terminals. Diodes normally between 0.7-1.7 volts, while the Schottky diode voltage roughly between 0:15 to 12:45 volts. Continue reading
scr
SCR stands for Silicon Control Rectifier. Is a diode that has a function as a controller. SCR or Tyristor still including semiconductor family with characteristics similar to thiratron tube. As the controller is a gate (G). SCR often called Therystor. SCR is actually a mixture of P and N. The contents consist of PNPN Continue reading
esaki diode
Diodes breakthrough or esaki diode is often called the meeting of PN diodes are made by using very high level of contamination. The result is an ultra-thin vacuum region and an effect called breakthrough. In the forward bias region, the current increases very fast for a bias voltage that price is still low. After the flow reaches its peak, the addition of forward voltage would reduce the flow until the point of the valley before eventually rising again. The fall flows towards developed breakthrough showed the existence of a negative resistance characteristic which enables breakthrough diode switches are used for fast and high-frequency oscillator.
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