Conventional digital home theater amplifier requires the use of a dedicated integrated circuit, and such a small integrated circuit manufacturers, the price is higher. This cir..
Digital precision pressure tester circuit shown in Fig. MAX1457 external ROM selection 93C66 type 4096b E2PROM. After power MCS end is pulled to a high level, check the main ch..
Digital pressure measuring circuit AD7710/7715/7730 multifunction digital sensor signal conditioning ICs. They integrate a digital interface with the control port, a clock gene..
Digital pulse width measurement circuit is shown. It uses a l00kHz reference frequency, the count in the pulse width of the signal, the count value of the product of the resolu..
Dien stone crystal oscillation circuit CM OS inverting clamor ways to ensure work as accurate because it uses a BCD counter Wong (IC2, hi) so maximum oscillation frequency equa..
Figure 4-14 is a digital integrated circuit consisting of 16 preset potentiometers Siniperca electronic circuits. It consists of three parts: input into the controller. Presett..
Figure 4-18 by volume potentiometer T (Xi 153AP and tone potentiometer T ( 155AP consisting of volume, tone control circuit circuit, Rx, cx clock oscillation element, the value..
Crossing various sawtooth voltage generator, the common denominator is the use of a capacitor charge. Discharge effect to generate a sawtooth voltage of the forward and inverse..
Fig variable frequency oscillator transistor circuit, which is mainly an oscillator, the crystal resonator and varactor circuit by the transistor diode, the output of the ampli..
Field scanning circuit circuit and sawtooth waveforms Sawtooth signal generating circuit color television field scan is an indispensable circuit shown in Figure 1 is a Toshiba ..
Field effect transistor amplifier has fixed bias input source with feedback. Therefore, the input impedance is very high and very low capacitance. Drive a field effect transist..
Fast and efficient charging is higher than conventional charging ten times to several times the current charge. When the battery voltage rises to a predetermined value when (va..
Fast charging circuit (TEA1102) Shown is a chemical for a variety of battery fast charging circuit, which is based on fast charge controller TEA1102 nuclear charging circuit of..
Fast charging circuit It shows voltage and current waveforms and fast charge circuit configuration of the charger. Detection and control circuit of the circuit is composed of t..
Days to TN-1 Intelligent negative pulse charging circuit Is a day to TN-I intelligent negative pulse charging circuit. This charger is the main part of the typical half-bridge ..
Electric cars represent the voice circuit principle, when to speak, against sound signal received by a drop in the body into a microphone BM and telecommunications weak number,..
EXT connected AC magneto produced. Rectified by D1 stored in C1, and rectified by D4, R9, C7, C8 filtering, power supply to the integrated circuit IC, the D3 then turn off the ..
DAC0832 is a memory device having two input engrave a D/A converter chip, can be connected directly to the computer bus. Its main properties are as follows: 8-bit resolution; s..
DAC0832 shown in Figure 27-13 cushion in the form of a single-phase circuit connected with 8086CPU. Since DAC0832 internal 8-bit data input must be set between the CPU and D/A ..
Face through attendance as the worlds first embedded facial recognition machine, the error rate is less than one hundred thousandth of the rejection rate of less than one perce..
FM24C256 as shown 27-54 slave interface circuit I2C bus, the address format shown in Table 27-3. A2, Al, AO is set to low (when extended storage capacity, the need to change A2..
Corridor counter delay circuit for controlling lights This circuit is tested and functionable. When the circuit is energized, the 555 oscillator starts to oscillate, CC40161 is..
Electronic calculator with automatic counting of the interface circuit shown in Figure. Figure (a) stroke switch so via optocoupler B control; Fig. (B) the use of reed KR and p..
Digital counter circuit as shown is composed of infrared signal for detection of moving target scan count small device, it is suitable for the production line, to move items on..
Electronic ignition circuit for the water heater is shown. When you open the faucet, switch K 3V battery, since the charging C2 need room, so VT6 is off, the power supply while..
Electric water heater temperature control circuit, with water level indication, temperature and anti-dry, leakage power automatic protection function, safe and reliable. (1) Th..
Darlington phototransistor type light-triggered switching circuit application As a result of the sub-type Darlington phototransistor and the op amp, so very faint light can fli..
Darlington phototransistor type light-sensitive switch control circuit application As a result of Darlington type phototransistor do sensitive element, the low light sensitive ..