New Circuits Page 258
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Ethernet is the most widely used networking technology with high reliability, media informative, easy to expand and update, etc., in businesses, schools and other fields are wi..
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Dimming control circuit as shown in FIG. Single-chip I/O port sinking method to achieve control thyristor switch and dimming control. MOC3041 optocoupler with internal zero-cro..
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Exars XR-L555 circuit typical power consumption is 900 W, the power supply voltage of 5V, micro-power circuit, XR-L555 can be used directly in place of the 555 timer. Delay by ..
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Dual Timer Exar XR-2556 for the first time after the timing of the output can be triggered by capacitive coupling second timing pin. When the trigger input is used, in order to..
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FM radio transmission frequency band design, it can be used with any FM radio receiver to the high-frequency signal and restores the high frequency signal from the audio signal..
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Easy exchange of magnetic saturation voltage regulator circuit ..
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Double tube fluorescent lighting circuit is shown. In some cases the need to improve twice, single-tube light can not meet the lighting requirements, double tube lighting. Phys..
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Electronic ballasts have a wide operating voltage range, fast start working no noise, no flicker, save energy and so on. It has been more and more people to accept. The circuit..
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DC relay or contactor in addition to using strong excitation pull way accelerate, accelerate the release, but also the following circuit to achieve the purpose of accelerating ..
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Darlington phototransistor constituting the photoelectric function with self-locking control relay circuit: ..
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FET relay circuit 2 It is actually a JS-20 time relay circuit. SA before the switch is closed, the relay device KA tends to release state. After SA closed circuit delay start, ..
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Discharge time relay circuit The timer field effect tube, and therefore have a high timing accuracy, timing and so long. When the R3-IOOOMfl, C 200VF when a delay time of 8h. P..
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Figure 4-52 (a) for the two-phase wiring, DC operation; Figure 4r52 (b) for the two-phase current differential wiring, AC operation. ..
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Delay electronic doorbell circuit - touch doorbell amplifier circuit ..
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DC feedback works shown in Figure l-31. In the circuit, R7 connected to the output terminal (the midpoint of static) D of the differential input stage Vr, between the base. Sta..
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Dancing blanket principle is very simple, it is a direct retrofit keyboard or gamepad. Each key on the keyboard and gamepad are actually a switch, as long as these switch on th..
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DC-coupled multi-stage amplifier circuit a (3) multi-stage DC-coupled amplifier in DC-coupled by a multi-stage amplifier circuit amplifying circuit, if used NPN type transistor..
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DC solid state relay (DC-SSR) driving high-power load circuit is shown in (a) below; high power load driving circuit shown in (b) below. ..
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DC to 500KHz of 100W amplifier photoelectric starting op amp high input impedance, high gain characteristics, to achieve transformerless output power 100W. Load current up to 1..
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DC current of negative feedback BTL circuit shown in Figure 2, the abolition of the standard BTL circuit C12, C22, the circuit of the DC; resistor R16 and R26 are sampling resi..
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Converters and data sampling: Figure 27-47 12-bit A/D converter AD574 and 8031 to the interface circuit. Parameters measured by the multi- way switch after CD4051 strobe to sam..
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Current negative feedback voltage divider biased circuit diagram: ..
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Current spreading bipolar output when the circuit diagram is as follows: ..
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Current-sense amplifier to listen better t use amplifier IC LM1875 current-mode amplifier circuit shown in Figure 5-20. FIG resistor R3 and the speaker BL series resistance t i..
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Currently using cookers become a fashion, because fast, clean, pollution, etc., by consumers favorite. Cookers circuit ..
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D-200W unique module design, overload, overvoltage, overheating, short circuit, reverse polarity power source, a variety of speakers shock protection feature set within a modul..
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DC arc welding machine AC arc welder load loss than the loss of a large load, and therefore all the more necessary to consider installing idling stop motion. (1) DC arc welding..
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DC arc welding machine from the second load path of the power circuit shown in Fig. The circuit is only available for a longer downtime (approximately minutes) occasions, does ..
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Current amplifier circuit configuration is shown in Fig., Followed by a two-stage operational amplifier LM318 complementary push-pull amplifier having an output resistance anti..
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Desheng 89701 type radio (small shortwave Wang) circuit diagram is shown below: ..
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Desheng R-202T type two-band radio circuit diagram as follows: ..
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Design of wireless data communication circuit Wireless data communication circuit is mainly responsible for the motor vehicle and fixed base station system for close wireless d..
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Crystal equivalent RLC circuit is shown. RLC circuit is a series-parallel, you can use a series resonant or parallel resonant manner style to operate. ..
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Darkroom circuit one time exposure It audible signal when the developing time is coming. This circuit can be used to put photofinishing big timer, it can also be used for many ..
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Darkroom time exposure of the second circuit It uses 555 IC A for the timing circuits. KA by the relay contacts to the control system of the exposure light source. Adjustment p..
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Figure 1 circuit uses a single +V power supply, and a voltage output DAC AD5620. DAC input by an SPI port control. DAC output swing from V to +5 V. Within the DAC chip referenc..
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Emitted by the two co-polar amplifier broadband amplifier practical It is shown by the two-stage common emitter amplifier very practical wideband amplifier. Between the input a..
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Figure (a) shows the circuit with general inverting amplifier circuit differs only in that series with a 100k potentiometer feedback resistor between the input terminal and the..
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Fig. A, b, c for the test rod end clip, a positive power supply terminating test equipment, b, c end series with the load, where c is the negative side of the device. Shu is th..
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Figure (a) shows the circuit as a voltage follower, it is a special case of the in-phase amplifying circuit, the input signal from the integrated operational amplifier with the..
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Composed of discrete components, also known as FM front end circuit FM receiver circuit, since components and more difficult to debug, easy miniaturization and other shortcomin..
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Composite pipe circuit limits bulb cold current of the circuit b When the input signal is weak, the use of composite pipe circuit protection circuit shown in Figure 1 ..
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Feedback has shown TDA6120Q factor 1/83 test circuit shown in Figure. Input signal Vi composed by Ra, C10, C11 input into the network TDA6120Q 2 feet, 2 feet and 4 feet are ins..
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Female textile machine power control circuit shown in a diagram, VTH1-VTH3 is TRIAC, R, and C is the absorption line, Rz is triggering the current limiting resistor, Kl is to s..
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Fans decorative light circuit in Figure 2-130, the circuit consists of step-down rectifier circuit, lattice specific integrated sound and light control roads and other componen..
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FT245BM typical hardware circuit as shown in FIG. This circuit uses bus-powered mode, while using power-on reset mode, the output by the reset the device. The clock circuit can..
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Constituted by the LM2641 output 5V/3A, 3.3V/4A, 12V/0.3A and 5V/0.025A four-output power supply circuit as shown in FIG. LM2641 is a dual adjustable step-down switching power ..
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FS810 practical circuit as shown for the integrated power amplifier. FS810 is a high performance, integrated power amplifier for high-end tape recorders and audio equipment. Fi..
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FIG. 3 a king in Figure 5, the circuit OP37 composed of multi-preamplifier o OP37 is a ratio of better performance NE5534 integrated operational amplifier circuit, Table 3-3 li..
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FKL-32 type automatic thyristor excitation device suitable for terminal voltage of 400V, capacity sookW and below synchronous generator used for automatic adjustment of excitat..
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FIG. (A), (b), (c), (d), respectively, which output can directly drive transistor, thyristor, relay, COMS circuits, TTL circuits. ..
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FIG resistor divider attenuation measured mold humble way signal for higher signal amplitude situation. ..
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FIG circuit, the oil pressure sensor is converted into a variable resistor Rt. Due to changes in Rt, changing the size of each transistor is biased, three LEDs (red, yellow, gr..
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FIG clogging circuit wheat planter particles. In this circuit, the light-emitting diodes and photodiodes arranged in planting at the outlet - will be blocked, if blocked light ..
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FET having a high input impedance, the noise figure is small, anti-crosstalk, good mutual interference term performance, etc., in the electronic circuits used more and more wid..
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FET several basic bias circuit - self bias voltage divider circuit ..
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Expressed LM629 PWM outputs directly drive LM18298 dual H -bridge circuit conditions. The latter is a switching amplifier, two H-bridge in parallel to drive a small DC servo mo..
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Expressed in ASCII keyboard code CY512 easiest development system. It has three operating modes; 1) the immediate command execution mode. Users type ASCII commands and keyboard..
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Extend current application circuit The current production of the maximum output current of the integrated three-terminal device is 1.5A. If the output current is greater than t..
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Environmental noise monitor circuit is shown. It mainly consists of high gain mu Specification for Zinc composition. Measured noise signal is indicated by the ammeter. ICl oper..
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Electric sewing machine saving circuit as shown, line the main elements by the Hall switch IC IC and relay K composition. Closing switch os, power-on, after R, and Ci RC Buck, ..
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Electric blankets circuit controlled by the switch S, when the switch S full, 2ZOV entire supply voltage electric wire heating, high temperature state. When the required time t..
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ECL integrated circuit non-saturated digital logic circuits. CMOS and ECL interface circuit shown in cross ..
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EMR 4 0 with a single power supply (6V ~ 10V) power supply, power supply when 9V best. It requires better power filtering, noise lower opening the lc no signal input quiescent ..
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Due to the increased level of transistor amplifier circuit, the control circuit of Figure 16-6 performance more than plus sensitive, and can input control signal superimposed o..
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Design, the front panel buttons to set the 10 number keys and the keys 0-9, move the key, down health, Enter, i recover key, door key j count 16 keys. Ding also features in the..
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Energy-saving lamps are divided into self-ballasted compact, single-ended from the structure; from the appearance divided double-tube type, tube type four, six tube and tube ri..
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Computer control system, you can detect the signal path switching means dressing a lot, you need a lot of input interface expansion Wei, so can all switch signal input into the..
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Component selection and installation requirements and general as full complementary symmetry amplifier. T should be noted that the two second diodes should be used in high-freq..
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Emitter-coupled differential amplifier (1) emitter-coupled differential amplifier circuit in the base of the differential amplifier circuit is by symmetry of the circuit to sup..
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Elements and internal function diagram shown in Figure 9-50, c, i, C2 is the feedback capacitance t change in capacity - low frequency change within a certain range of the cuto..
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Driving Circuit: the driving circuit shown in Figure 18-12. Driving portion is connected to the microcontroller and the air conditioning operation member of the bridge. Microco..
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Eight-channel isolated as shown in Fig constituted by ISO120 and PWS740 0 ~ 20mA current loop circuit. FIG drawn only one channel, circuit 0 ~ 5V input voltage into a current o..
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Each trigger input can produce a fixed number of pulses, the number ranges from 2 to 30, the specific number is determined by the frequency-controlled settings of 1 megohm. Mon..
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Each J202 JFET stage provides up to 180 phase shift by 1 megohm potentiometer control. Potentiometer complete control groups. JFETs are ideal for the designated circuit, becaus..
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Each family essential small appliances. Sub-type and electric power jet, mainly used for clothes and shake hot shaping. Irons circuit shown in Figure 1-30. When we use iron, ir..
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Electronic frostbite treatment instrument ASIC SL9711 constitute an oscillation circuit, a power amplifier and controller, and generates 100Hz 3Hz sine wave, after the step-up ..
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Dot Award ; This circuit is tested and functionable. The circuit consists of two lC constituted. lC1 constitute pulse source, because it is just a momentary button switch S is ..
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Doppler effect sensor Nl (RD627), operational amplifier N2 (LM358), the sound of dogs barking imitation special integrated circuit N3 (KD5608) and other components. When nobody..
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Electronic circuit shown in Figure crying, which consists of voice recording, audio power amplifier and power supply circuit composed of three parts. Wherein ICl to fool type o..
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Electronic circuit shown in Figure cat. ICl time base integrated circuit NE555, it potentiometer RP, resistor Rl, R2 and capacitor Cl form time control circuit for controlling ..
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Electronic bio wave therapy instrument circuit as shown, it can produce a variety of complex frequency electrical signals, the absorption of the drug can help patients affected..
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Electrician sometimes overcurrent relays, thermal relays, etc. do periodic overcurrent or check, to use a current generator. Using secure running lights transformer, voltage re..
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Electromagnetic vibration table or feeder is to use small objects after a certain track or cylinder by forced vibration, can be self- made line made to move along the rail tube..
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Electronic Fly utilizes high voltage applied to the power line voltage pulse OCS killed flies. Use the following web site when the bait to attract flies, fly Fly online for all..
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Differentiating circuit as shown for the utility. The op amp circuit constituted by Universal. When the differential input a triangular wave, square wave output, while the inpu..
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Differential amplifier circuit has a constant current source road ..
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Differential amplifier stability, zero drift suppression, is a common amplifier. Differential amplifier circuit shown in Figure, by two parameters identical transistors VT1, VT..
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Differential amplifier with a constant current source, as shown in Figure 1-27. Thus, as long as, c3 and kept constant, cl, n can not be simultaneously increased or reduced sim..
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Constitute a CMOS circuit time adjustment of a spot welder The number of cycles it uses CMOS device composed of a control circuit, optionally in the range of 1 to 99 cycles to ..
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Differential input stage uses the integrated differential charge 2SC15 8 3 and 2SA798, the amplified signal is VT3.VT4 direct anyone to the power amplifier tubes VT5, VT6. Poor..
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Differential amplifier circuit four connection methods and features comparison b b.0 magnification of a single tube of half earnings due anti-common-mode negative feed-effects,..
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Divider is the speaker of the brain, is crucial to the sound quality is good or bad. Music amplifier output signal must divider wave filter element processing, so that each uni..
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Discrete components 13TL amplifier, the circuit structure is complex, with an integrated power amplifier circuit of BTL amplifier circuit structure is simple, performance and q..
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Differential amplifier circuit four connection methods and compare the characteristics of d d. O magnification equal to a single tube of half has a high common mode rejection c..
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Differential amplifier circuit four connection methods and characteristics of comparison c c. O magnification with a single tube with the same When the circuit is symmetrical. ..
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Differential amplifier circuit four connection methods and compare the characteristics of a a. O magnification and single-pipe with When the circuit is symmetrical common-mode ..
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Device for intermediate relay. As shown in Figure is the use of Triac AC contactor interface circuitry. Which is using MOC3041 Triac output optical coupler for triggering the T..
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Electric shavers thorn circuit shown in Figure 1-17. Shown by the capacitance C buck, buck capacitor C is lyF/450V, pass through the diode VD, to 1.2V nickel-cadmium batteries...
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Connection of the stator coils b Shows the structure and connections of the stator coil, and FIG. (A) shows a triangular connection, Figure (b) shows a star connection, star co..