New Circuits Page 276

In the forward inverter system applications: IRZ110 for receiving such a line when the line shown in Figure 12-39, in this application, the next channel on the channel IR 2110 and shared an input into the pulse signal, which determines..

Use the circuit shown we can reverse or flip the switch amplification without inversion. Voltage gain depending on the position of the switch. This may be +1 or -1. Changing circuit has two versions, A and B. I personally prefer B..

This circuit was originally a type of power-delay control circuit, the delay time by the timing element Rl, C1 decision. But with the "watchdog" circuit,..

The overhaul has the following features: online judge diodes, transistors is good or bad; test TTL logic level or a high impedance state; can output 37MHz, bar television signal 74MHz, 148MHz; the output 465kHz, 930kHz, 1395kHz AM signal. As illustrated, 555....

Shown automatic power-protection circuit. This protection consists of step-down rectifier circuit, overvoltage and undervoltage detection circuit, delay switch control circuit...

Circuit works: an integrated circuit lC (NE555) and R, RP, C3 substandard elements constituting around astable multivibrator, lC 3 feet square wave oscillation signal output from the current limiting resistor R2 is added to the TRIAC vs the control terminal,..

555 bistable mode, stable and non-stable than single modes of application is relatively less. Bistable mode means that the circuit composed by R-S trigger mode. As shown by a m..

555 limit when one group integrated electrical circuit load circuit is shown. It can limit the large load electric power. When the electricity load exceeds a set value, automat..

555 precision temperature sensor with temperature frequency converting circuit diagram consisting of: ..

Also known as digital amplifier Class-D amplifier with small size, high efficiency characteristics. Here are a circuit made easy with 555 Class D amplifier. It is the use of ci..

Any time base circuit 555, the internal structure of the same circuit, the performance is the same. When there are many manufacturers base circuit 555 models, such as MC555, CA..

As shown in Fig multi-channel temperature measurement circuit. The test circuit consists of a core consisting of 555 one-shot delay circuit. When the button i..

As shown in Fig pulse-width detection circuit. The detection circuit by the differential circuit (R2, C2), amplifier BG1, single stabilizing circuit (555, R1,..

As shown in Figure five uses tri-state logic pen audio circuit. The circuit mainly by the multivibrator, four-way switch CD4066 (IC1) circuit with some RC com..

As shown circuit 555 is at the core of the flash circuit, when their normal work, the light emitting diode and VD2 will VDl alternating flashing circuit principle summarized as..

As shown constituting the photoelectric conversion by the photoelectric sensors and switches 555, etc., issued by a music song to prompt IC2. Illuminance sensor parts are made ..

As shown for the acoustic logic level probe circuit. The probe consists of a voltage comparator, multivibrator, piezoelectric ceramics HTD and other components. Wherein the com..

As shown for the capacitor, the frequency detecting circuit transistor line. Can be converted by adjusting the preset switch K1 when this detector capacitance, frequency, trans..

As shown for the electrical equipment overload and phase failure protection circuitry. The device consists of + 12V, + 5V DC power supply, AC transformer, voltage comparators, ..

As shown for the level control circuit. The control circuit consists of step-down rectifier circuit, trigger circuit 555 (IC1, IC2), relay control circuit. Where the buck recti..

As shown for the lights to remind the circuit. The circuit consists of monostable delay circuit, driving circuit, buzzer, light-emitting diodes and other components. Wherein th..

As shown for the long timing circuitry simple. Press the switch AN start timing, tone PR can alter timing, the timing range from 3 minutes to 220 minutes. If the capacitance C ..

As shown from the switch contacts, proportional to the speed pulse signal Vi, after the differential is added to IC (1/2 556) trigger side to make the single stabilizing circui..

As shown in FIG ad decorative lamp control circuit. The controller consists of a pulse generator, a frequency divider, matrix circuit and thyristor control circuit.IC1 and R1, ..

As shown in FIG circuit by the voltage - frequency converter and an amplitude modulator. Input voltage V1 by the operational amplifier A1 control FET 2N4222 internal resistance..

As shown in FIG hypnosis massage is pocket-sized electronic timing circuit with two 555 timers to form, to meet the health needs of people to relax. Circuit consists of three p..

As shown in FIG optical control circuitry for high-performance street. The circuit consists of a photoelectric conversion element LDR, comparator circuit IC1 (555), single stab..

As shown in FIG touch sensor switch circuit diagram The circuit consists of step-down rectifier circuit 555 and flip-flops. When the hand touches the metal sheet A, sensor sign..

As shown in FIG wind speed programmable circuit. The circuit consists of step-down rectifier circuit, a multi-stage cycle timing circuit, phase shift control circuit, thyristor..

As shown in Fig ten temperature detection circuit circuit. The detection circuit by the temperature sensor, V/F converter circuit, an oscillator, circuit testing program contro..

As shown in Figure 10 for the automatic conversion of wind speed control circuit. The circuit includes a clock signal generator IC1, counter IC2, decoder IC3, synchronous phase..

As shown in Figure 555 constituting the DC capacitor tester. The tester from the pulse generator, single-shot, and the head indicating DC amplifier circuit. It measures NpF ~ 1..

As shown in Figure 555 is a simple logic circuit test leads. Test pen 555 as the core, it will take a Schmitt trigger, the logic state of the test for digital circuit. 2,6 555 ..

As shown in Figure 555 is the transistor characteristic curve tracer circuit depict transistor characteristics, to have two voltages, one step wave is applied b pole for genera..

As shown in the circuit diagram of the device is looking for 555 cars, including a transmitter and a receiver in two parts. The transmitter 555 is a core component of the wave ..

As shown, the 555 and the surrounding elements constitute a voltage - frequency conversion circuit. For determining the orientation of Earths magnetic field is a Hall-effect de..

As shown, the apparatus includes cavers point detection circuit and triggering display circuit. The cavers instrument is a test probe grip in the hands of another probe touches..

As shown, the call falls by the position sensing circuit trigger control circuit and SOS alarm circuit. For critically ill patients or for help with a disabled person falls. Pa..

As shown, the circuit consists of a dual-core 556 and the light emitting tube. The left half of the IC (556 1/2) composition R1, R2, C1, etc. frequency of about 2Hz multivibrat..

As shown, the circuit includes a clock pulse generator, and a pulse distribution circuit drives the display circuit. 555 and RP1, R1, R2, C1 composition astable multivibrator, ..

As shown, the control terminal 5 feet and 555 threshold end 6 feet is actually two internal input voltage comparator I, as long as 6 feet voltage is higher than 5 feet 5mV, the..

As shown, the controller includes a buck rectifier circuit 555 multivibrator, lantern control circuit for ~ 220V, 5W low power parallel control lights or 6 ~ 12V small bulb ser..

As shown, the information apparatus comprises buck rectifier power supply (Vdd + 12V), the timing circuit, multivibrator, the output of the first amplifier and function. IC1 an..

As shown, the proximity switch 555 as the core component monostable trigger circuit. 555 Trigger Pin 2 through the large resistance R2 connected to VDD, is waiting for a trigge..

As shown, the three lights control circuit 555 as the core, consisting of cyclic trigger monostable delay circuit, the brightest of the SCR control the cycle turned, lights wer..

As shown, this circuit is mainly used in a timely reminder dozing who can supervise and the number of records on duty were asleep. Figure d detection circuit is a minute signal..

Circuit as shown by 555 and the light emitting tube. 555 and R1, R2, C1 composition astable multivibrator, the oscillation frequency f 1.44/(R1 + 2R2) C1, the vibration frequen..

Circuit as shown by the 555 oscillator and amplifier driver stage composition. 555 and R1, R2, RP1, C1 and other components of a multi-harmonic oscillator whose frequency can b..

Circuit as shown, consists of four light-controlled electronic switches, timing circuits, voice circuits, and audio circuits and other components. Congratulations for a birthda..

Circuit shown in Figure generator consists of an oscillator, voltage follower, the amplitude of zero, zero shift circuit. Used as a self-balancing recorder running test signal ..

Circuit shown in Figure, when used in multi-temperature test, switch the thermocouple corresponding channel. 555 brightest are at the core monostable delay circuit, such as Cli..

Circuit using an ordinary digital quartz electronic watch, the lower its crystal welding, as shown by the connected circuit constitutes a digital frequency meter. The test sign..

It uses the mains supply via a simple DC rectifier circuit...

VDI, VD2, C3, C4 compose a simple half-wave rectifier capacitor step-down regulator circuit. After power across C3 can output 12V DC voltage of about, for the time base circuit electricity...

Circuit works: 220 V AC by C1 Buck, DW regulator, VD whole stream, C2 filtered output 12 V DC voltage supply control circuit. IC1 time base integrated circuit NE555 and R1, Rp, C3 composed..

Is a light remote control light switch circuit, remote control toys can be sufficient flashlight or laser pointer. Use as long as the torch for a photo at the photosensitive resistor RL2, RI.2 resistance was low, VT2 immediately turned on,..

Pi is a good light can throw white moving lights circuit, it has a high sensitivity, stable performance and anti- interference good performance characteristics. Daytime photosensitive resistor RI...

This circuit uses a dedicated voice integrated circuits Ai (SK- type), its internal features bistable multivibrator and three inverting amplifier. 555 IC A2 for the delay control...

It uses thyristor control. Flash frequency is determined by Ri, RP, Rz and C. Adjusting the electrical locator RP, can change the flash frequency 0.5Hz to several Hz...

It uses CD4584B six Schmitt trigger IC (Di ~ Ds). Wherein Di and Ri, RG composition photometric circuit, D2 and RP, C2 composed of adjustable frequency (adjustment potentiometer RP) ultra-low frequency oscillation device, D3 ~ D6 in parallel as output....

This example is a particularly strong sense of jumping novelty lights, flashing its control order to take a 1 3-2-4 vault chase mode, the line shown. Diodes VD1-VD4 form a bridge rectifier circuit, the output of the full-wave rectified voltage lights as....

Automatic emergency lighting circuit shown, it is suitable for families install yourself. Because it uses smaller components, the price is cheaper. When the normal power supply mains, 220V AC mains voltage through capacitor CI ire.k pressure, and then by a..

6-35kV cable line substation, into its line of lightning protection can be Figure (a), the protection of access lines; for single-core cable, the end of the metal sheath shall ..

A circuit towel} {more i guess oscillations are composed, respectively r Houle Wang oscillator sweep enlighten transistor Ti, n and n, 7j composition. Q constants rl day cycle ..

A resistor R8, capacitors Cd and thyristor V AC switch delay composition. Lamp lighting delay time is determined by Rs, C4. Press the component parameters as shown in Figure 2-..

A simple half-wave rectifier capacitor step-down regulator circuit VD1, VD2, Cl, C2 composition, after power across capacitor C2 available DC voltage of about 12V, the transist..

AC by VDI ~ VD4 full-wave bridge rectifier output pulsating DC power for four lights. Rl, R2, VD5 simple composition and VD6 regulator circuit, Cl filtered output by about 6V D..

Adjustment potentiometer RP, can change the sensitivity of the device. Capacitors Cl as an anti-light interference of instantaneous action. ..

An air bridge after whole bullock Phi Beach, Sichuan hoof direct beam lights Wherever control called road six buildings frog buck filtered output ul fiV altar right voltage for..

As shown below, is described in a minibus odometer circuits, the odometer and speedometer is electronic, mechanical integration combination of new instruments. Pulse signal out..

Automatic color holiday lights circuit ..

Automatic light control circuit lights automatically illuminate the lamp when dark, lights automatically turn off when daybreak. (1) One of the automatic light control circuit ..

Automatic multipurpose emergency lights circuit is shown. Usually emergency lights connected to the mains, in fully charged standby. When a sudden power failure and sudden ambi..

By the transistor VTi, VT2 composition self-excited multivibrator output signal VT3 put large after a thyristor trigger pulse. Adjustment potentiometer RP, can change the oscil..

CS9482 integrated circuit fabrication with holiday lights circuit shown in Figure 2-37. Since the CS9482 chip already has 4.1V voltage regulator circuit, the external circuit m..

Charging circuit by the transformer Tl, diode VDI-VD4 and other components, 220V AC by Tl buck, VDI ~ VD4 rectification, CI smoothing filter into DC power to charge the battery..

Chip has four built +8 kinds of tricks jumps procedure for the control of the double bond. Connected to 6 feet of function selection buttons SB2 is key, then the key SB1 is 5 f..

Circuit SH-805 made holiday lights controller shown in Figure 2-64, it can be seen from Figure SH-804 circuit board of the same, but the pin locations manifold and control func..

Circuit operation principle of the device shown in Figure 11. Power outages are frequent thing, but some occasions, the power does not allow (such as the ongoing surgery, etc.)..

Circuit principle is shown in FIG apparatus. When the night light irradiation on the photosensitive resistor RG, RG of great resistance, (much larger than 50K), so the LSE O, f..

Circuit, power supply circuit consists of step-down capacitor c1, bleeder resistors R, Zener diode vs, the entire diode VD and filter capacitor G, switches and batteries GB s c..

Click the button switch Sl-Sn, lights that light, the power is turned on while the transformer T, the low-voltage alternating current through the secondary winding down of a br..

Closing the switch S. SCR vs through resistors R1, R2 and S trigger current and get opened, charged with H lamp that is eligible for the full-wave AC normal light; open the swi..

Colorful decorative lights loop circuit shown in Figure 3-22. It consists of the power conversion circuit, a clock signal generator toner color and lighting control circuit of ..

Commonly used single display driver circuit TA 7366/7367 is manufactured by Toshiba Corporation 5 LED driver circuit, it adopted a 9-pin single in-line with plastic structure, ..

This paragraph Easy Car Alarm circuit with the use of fewer components, easy to produce and so on. (1) circuit automobile anti-theft alarm circuit by the time base circuit NE555, power switch VT, the switch S2, the..

Circuit works: lC1 is lock ASIC 5C058. Its 1-6 feet were even outside the key switch to the positive power supply, which is six valid key input, open lock A-F must comply with this order. 7 feet for the negative power. 8 feet false key input terminal, even....

As shown is 555 more cars with alarm circuit, mainly consists of a 555 and a quad 2-input NAND gate circuit. At the time of low oil pressure and brake pressure is too low, the ..