Other Circuits
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20W bus radio and megaphone circuit TDA2005S double low frequency power amplifier integrated circuit design, the front end can be connected to the microphone input or low-frequ.. -
200W lamp switch control, power supply voltage is 220V, is about 100lx illumination light automatically turned on or off. In the ambient light is dark time sensitive resistor w.. -
1The circuit shown in Figure 3-145. The line uses a rectifier diode rectifier brake for neutral grounding of the three-phase four-wire power supply system. .. -
Circuit works: SC3525A for the US General Semiconductor PWM silicon chip, 1 foot of the error amplifier inverting input terminal,.. -
Pre-amplifiers using current feedback circuit tandem type, its output impedance is approximately DC collector resistance Rc ,, surface.. -
Transmitter (FZ) winding and a receiver (sz) correspond to the three-phase windings connected, 110V AC voltage supplied to the transmission.. -
It consists of single-junction transistor VTi, resistance Ri, potentiometer RP, capacitor C consisting of relaxation oscillator and amplifier transistor VTz... -
1930 ~ 1990MHz as shown in Fig narrowband linear amplifier circuit configured by RF2320. Radio frequency (RF) signal input from 6 feet, after amplified by an amplifier 14 feet .. -
Recording signal amplifying transistor circuit Shows the recording signal transistor amplifier, the microphone signal.. -
When the door is pushed, you hear a whisper that "slide up" to a higher frequency. The oscillator frequency is determined by AF coupling capacitance, C 1 and the value of the resistor connected between the base of IQ and the earth. This resistance, RBG is.... -
When the touch plate is contacted by a large object (human body, etc.), stray 60-?? pickup is rectified by D1 and D2, and produces a negative voltage across R2-C2 and the gate of Q 1. Q1 cuts off, causes Q2 to conduct, and the output goes low. .. -
You won't be disappointed with the performance of this sensitive ultrasonic receiver. It can let you listen to bugs, bats, engines, and virtually any other source of ultrasonic sounds. The circuit uses a piezo tweeter as an ultrasonic microphone, amplifier.... -
Typically, 9602 multivibrator circuit can trigger the rising edge or falling edge of the square wave, but not both at the same time can trigger the use .. -
Variable gain amplifier Shown is a variable gain amplifier. For fixing the input signal, the output signal amplitude of the controllable amplifier circuit... -
Start within 16W2D single ended energy saving lamp dedicated electronic ballast circuit shown in Figure, RFI filter circuit consists of 1-60 wave,.. -
Circuit switch S is closed after the integrated circuit TDA1024 trigger is turned on. Whenever the zero crossing of the mains .. -
Circuit core device is a dimmer SM7232 specific integrated circuits, which leads to the foot of the eight functions are as follows: 1 pin VDD, the.. -
AC solenoid driven control with SSR principle is shown in Fig. The switch is closed SW1,220V AC transformer through the transformer T to AC 30V, the QL crossing barrier.. -
When the supply voltage drops below 10. 2V, the yellow light emitting diode VLi light, suggesting that storage pool can not continue to discharge... -
As shown for the basic application circuit thermistor. Figure (a) of the basic temperature measurement circuit. The circuit temperature measurement accuracy .. -
Look for the blanket internal disconnection circuit, its working principle is: M spot welding have a wire about 2cm induction body, when a sense of.. -
Cycling is our common means of transport, if accompanied by a bicycle speedometer, you will be able to master cycling speed, especially for cyclists , the usual training, a.. -
uPC1237 by a single power supply, operating voltage range of 25v ~ 60v, usually the direct use of the amplifier as a positive power source + Vcc power... -
Tuner universal optocoupler should be on the electrocardiograph use, it is a typical circuit is shown in Figure 5-29. Circle O,.. -
BA313 is a built-in automatic level .png">control circuit (ALC) of audio recording preamplifier circuit, commonly used in the cassette.. -
1/0 defined PLC Table. Its input signal path 13, including: 1 motor starter button. 2, 3, 5, 7, 8, 9 station photoelectric switch normally open contact, move the CD machine 37 .. -
When connected to popular Stax Class 1 electrostatic headphones, the design shown in the figures may be on the full audio bandwidth .. -
1237H-circuit principle shown in Figure 2-122. Its interior has four separate detectors can finish respectively to their inspection tasks. When the circuit is abnormal, it can .. -
The introduction for unidirectional thyristor trigger circuit is equally applicable to the TRIAC. Here are some also .. -
1071 touch is the use of audio enhancement technology being introduced high-resolution two-channel stereo enhancement processing chip production improvement product, it is desi.. -
Examples OFDM modulation system. Seen from the graph, the input data signal (... --- Ol01100), the data signal by the string,.. -
As shown in the circuit diagram of a high-impedance distribution. It is with low resistivity distribution of..
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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