New Circuits Page 259
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Constant current function module is disabled port junction figure, 13 feet; OFF, constant current ban port. Loss of function when OFF constant current is grounded, the module i..
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Figure 1-122 is a dedicated high-fidelity surround sound processing IC TDA3810 circuit consisting of surround sound. Stereo signal via the input coupling capacitor cJ, C2 input..
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Figure 1-123 is an internal block diagram of the TDA3810 o The circuit can operate in three modes of operation: (1) may be mono channel stereo signal into an analog signal; (2)..
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Figure 1-30 is an example of an OCL power amplifier circuit, the following specific analysis: In Figure 1-30, VTi, VTz form a single-ended input and differential input single-e..
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Figure 16-29 (a) of the trigger output via a resistor R2; FIG 16J29 (b) for the introduction of programmable single-junction transistor PUT trigger circuit. Adjustment potentio..
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Figure 16-3 (a) one-way thyristor; Fig. 16-3 (c) for the triac. Circuit characteristics: O simple phase shift range 90. [Figure 16-3 (a)], phase shift range 180. [Figure 16-3 (..
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Figure 16-40 three-phase rectifier circuit current cutoff feedback circuit. Figure 16-40 (a) use three current transformers; Fig. 16 40 (b) using two connected in open delta se..
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Figure 2-60 is LM3886 amplifier roar practical circuit, the circuit with one NE5532 as preamplifier, output power up to 200Wo. LM3886 power amplifier for use, due to the large ..
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Figure 289 Star STMicroelectronics (ST) deputy public cattle produced VK05CIl. ASIC production of electronic front desk lamp can be lit 5-15W low-power compact fluorescent lamp..
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Figure 3-142 for the reel control circuit means. Coiler is used to wound with plastic banding (such as grafting with banding tape) of. The length of plastic tape wound on a pla..
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Figure 3-17 is a pre-equalizer amplifier having a sound recording function has the following characteristics: (1) the circuit does not have a conventional mechanical switch cir..
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Figure 4-11 is a feedback attenuator consisting of transistors tone control circuit. The circuit in addition to a conventional high, bass control system, balance control, volum..
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Figure 4-12 is a five-speed type tone selector schematics o as follows: circuit, IC1 and other components electromagnetic phono equalizer amplifier, I bar and external RC compo..
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Figure 4-13 is an adaptation of a common attenuated tone control from the pitch selector. It consists of two magnifications of each of the amplifiers 10, Icl used as a line amp..
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DC motor reverse brake circuit is shown. Braking, press the stop button SB2, disconnect move off contact so KM1 loss of power release, then turned on the brake contactor KM2 ci..
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DC motor is shown in dynamic braking circuit. Braking, press the stop button SB2, the contactor KM1 missing, and released its movable contact connected off, electrical voltage ..
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DC motor E inversion control circuit, the circuit loop L li KDL -. 80 (primer using a single set of normally open/normally record relay contacts when A.B two low, the relay KI,..
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Core multi-resonant circuit 40 L06 collapse is 1C.. Auxiliary electric f below its low threshold, open Icl. Output (2 feet) for the business l NIE., CI by D1 and Ri fast chargi..
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Current three-phase motor phase protection circuit, as shown in FIG. 3 homemade small current transformers Tl, T2 and T3 on the motor is running three-phase current detection s..
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DC brush motor driver circuit diagram MC33035 chip using a straight debate brush motor driving circuit ring shows a typical DC brush motor driver circuit diagram. 4 field effec..
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Delta connection Motor phase failure protection circuit as shown in FIG. Its protective role is as follows: The three resistors R, ~ R3 connected as an artificial neutral point..
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Construction and operation of the brushless motor windings principle e Structure and working principle of the triangular coils As shown, through the switch, you can make the st..
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Fig. 3-100 is a two-speed motor stator windings lead wiring diagram 2Y/Y-connected. ..
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Fan motor driving circuit Shown as a simple fan motor driving circuit, which is mainly from the power circuit, the motor drive circuit portion constituted. The power supply cir..
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Fan power equipment traditional control methods is through manual or relay control, there is the problem of poor reliability and flexibility. For example, the motor capacity at..
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FIG, M is a variable speed motor control wicket opening and closing and opening. O electric governor. Front grid, hit the power switch SA A side, toggle switch S is opened; aft..
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FIG aa, bb, and ce three-phase windings, respectively. Double throw switch Kl-l ~ Kl-4 hit the left side, that switch l and 2 phase, at this time, aa and bb in series with the ..
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FIG circuit 3-200 (a) in Fig. When the reverse brake, forward contacts open contacts KMi, reverse brake contactor KM3 contact is disconnected, reverse contactor KM2 contacts ar..
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F to turn a water magnet, the stator coil into 4 groups. 4 stars all set of coils through mediums P pulse signals by the rotor control number, so as to form a rotating magnetic..
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Dual motor drive circuit Automatic tracking shows are constituted by two motors (white line) Cars structure, principle and double motor drive circuit. ..
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Drying the motor winding circuit current imbalance Below is a circuit diagram of the motor winding current imbalance drying: ..
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Electronic circuit steady speed motor applications Electronic steady speed mode is automatic remote control over the role of the motor power supply circuit to the motor to achi..
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Electrical flow through the saddle j pounds. TV added in a controlled manner Qian Mountain amphipod species lI- ii ~ mi pulsating chord electric Ir:., This electric IE again. a..
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Dong Fang Zhuo most governors are pulse width modulation, pulse position modulation DA foot of the circuit (the clock when called righteous side of the system). Manifold 555 ov..
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Electric valve control circuit consists of the following three parts: main lines, control lines, and power consumption brake line aa. The main circuit includes a power switch v..
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Electric shaver motor drive circuit It shows a typical motor drive circuit of an electric shaver. AC 220V to charge the battery through the charging circuit, but also for the m..
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Figure 3-118 automatic acceleration control circuit. It uses the male contactor time relay, the motor starts automatically from a low speed by the speed the transition to high-..
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Door circuit logic pen text display can take many forms, either by the inverters can also be used with non-gates, NOR gates, etc. can also be used. A logical pen as shown by th..
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Digital timers with a display clear and precise features. It is a number that represents the time after the pulse signal by decoding the digital device with digital display tub..
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Digital display clock signal source circuit shown in the figure is taken from a multi-point detection control box in the actual circuit. It mainly consists of automatic and man..
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Digital display temperature detection circuit Precision digital display shows the temperature detection control circuit, MC1403 pin output reference voltage, the potentiometer ..
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Display circuit as shown in a typical digital massager. The core of the control circuit is a microprocessor EM78156, it then received instructions manual operation of the circu..
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Condenser microphone pickup signal broken by Iq. amplified and sent as a comparator HJ of lC.., - LC.., And lC: (e - b) each of the negative side, the positive terminal of the ..
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Danji mellow, transparent, natural sound, sweet, sincere, tireless listening to long, full of humane color. In building a harmonious and beautiful life, tube amps have become a..
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DC-coupled single-tube amplifier (l) single-tube coupling the DC amplifier so-called single-tube DC-coupled amplifier circuit means only consist of a transistor, the basic comm..
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Depending on the input impedance can be divided into a high-impedance input and low impedance input in two ways. Its major input in various audio equipment to the requirements ..
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Composite pipe can be reduced to promote the adjustment of the control current of the tube. ..
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FIG. 2A3A low direct thermal resistance transistor, its resistance is only 800, so the output transformer primary screen to screen to load impedance 3.5k Cong. Push-pull amplif..
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FET used as a silencer tube headphone circuit Field-effect transistor is shown as a headphone circuit silencer tube. L from the digital signal processing circuit, R audio signa..
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Examples of the structure of a number of liquid crystal display drive circuit CPU tubes. ..
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Elliot vented 2A3PP line, is also very simple, the key is the quality of the output of cattle. Use 3KPP output cattle, fixed bias (a 62V), output power 15W. 2A3PP suited for th..
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Electrical properties of the tube with good quality output transformer has a great relationship, it is well known thing. Overseas equipment commodities have simply cancel the s..
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Display tube using a constant current circuit for steady flow tube ..
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DW10M de-excitation type switch is based on the DW10 automatic air circuit breaker on the normally open to normally closed contact is made. (1) DW10M-200,400, 600 de-excitation..
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DW16M-630 type excitation switch operation with DC power and AC power operation of the two, the former circuit is shown in 7-60 J, the latter circuit shown in Figure 7-61: figu..
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Fig. 296 can use a control switch S El, E2 and E3 three lamp light off. E is suitable for the living room chandelier control. When s off, lights all the fire; for the first tim..
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FIG switching solenoid driver circuit, wherein the device chip U8 is 74123, the device is a solid state relays 02, 03, the switching electromagnet coil is sucked PUSH coil, HOL..
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End a two-wire connection gradually clear/fade switch circuit when the circuit is relatively simple to install. Turn on the lights when needed, H properly switch S dial upward,..
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Electronic CD4017, CD4066 constitute the switch circuit diagram: ..
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Do not trigger circuit thyristor AC switch circuit, due to its simple, economical, non-contact, so widely used. Circuit shown in Figure 16-43. It is a single-phase thyristor sw..
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Figure 16-48 (a) for the introduction of six thyristor three-phase AC switching circuit; Figure 16-48 (b) as adopted by three triac circuits. Suitable for motors and other indu..
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DC voltage of the generator field winding by a three-phase thyristor rectifier provided later. In the same period incorrect, out of step, system failure, etc., the rectifier wi..
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Expanding schematic circuit secondary circuit high-voltage lines ..
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Electronic lock using the telephone key (resistor connected plug) is inserted after the oscillator circuit start-up circuit, and the oscillation frequency is accurate or not to..
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Decoding circuit: In order to make the various interfaces to work properly, the system needs to assign IP addresses to all ports. According to the number of system interfaces, ..
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Consisting of two capacitors polarity as shown by ICL7660 and external power conversion. The power supply using a dedicated integrated circuit ICL7660 polarity inversion and ex..
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Crystal 80mW FM transmitter circuit diagram of the production ..
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FM302E-I-type FM transmitter exciter is used in Japan NECs HPB a 1210 motherboard. Direct carrier frequency modulation, phase-locked frequency stabilization and frequency synth..
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ETl3X220 is connected to a low-cost single-chip RF-transmitter chip, can provide 10 communications for wireless mouse and keyboard applications and communications products. The..
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Field effect transistors voice amplifier, the input impedance of the transistor is low, only lkCZ, requiring signal source provides a constant current signal to work. The field..
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Do not drink and drive, I wish you a safe journey home Language Integrated Circuits ..
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DS1620 with a microprocessor to monitor temperature, by opening or closing the fan can be changed thermal conditions of the chip to achieve temperature control circuit as shown..
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FGDF-3 three-phase low-temperature iron plating main circuit KGDF-3 low-temperature iron plating power supply device having a single-phase low-temperature iron plating all the ..
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Electronic thermometers as shown in the circuit. RT is the thermistor, A is an integrated operational amplifier. VD1 ~ VD4 composition marked by the scribe mushroom flow channe..
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Electronic temperature control circuit on an imported car air conditioners. Operational amplifier Ai, A2 using LM393. Adjustment potentiometer RP. Temperature range can be chan..
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Electronic switch selection, you can achieve multiple temperature control, or a plurality of temperature monitoring points, monitoring. OP27 multiple S-type thermocouple circui..
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Eggs hatch chicks temperature requirements within 36 ~ 39oC temperature range, temperature sensor integrated circuits using TC621 temperature control circuit, having fewer exte..
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Dispenser (Aucma) temperature detection control circuit It shows the dispenser (Aucma) temperature detection control circuit. The dispenser is composed of two parts, one part i..
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Electric thermos temperature detection control circuit Electric thermos shows the temperature detection control circuit. It is mainly by the control circuit of the boiler heate..
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Consisting of two differential amplifier transistors voltage dividing type bias circuit, and this resistance is measured four bridge four of arm. Wherein the product is a plati..
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Coship CDVB3188V receiver switching power supply circuit It shows the same continent CDVB3188C receiver switching power supply circuit, mainly from the AC input circuit, anti-j..
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Described here is a specific module using CF8865 switching power supply circuit, because this circuit is the use of integrated control module CF8865 specific modules. In the fi..
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Figure (a) shows a block diagram of the internal structure of the M62213FP. M62213FP is a high speed switching power supply controller. It consists of an oscillator, PWM compar..
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Constituted by a 5V TOP414G, 2A output isolated switching power supply circuit is shown. C1 is the input filter capacitor. VDz VD1 composition and primary clamp protection circ..
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Driver circuit diagram: The main function of the driving circuit is variable width pulse width controller output power amplifier, as a drive signal to high voltage power switch..
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Dragon -ZL-2801A DVD machine type switching power supply circuit It shows Dragon ZL-2801A type DVD machine switching power supply circuit, which is mainly from the AC input cir..
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East Shi IDS-2000F STB switching power supply circuit East Shi IDS -2000F STB switching power supply circuit mainly by the AC input circuit, switching oscillation circuit, outp..
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Electrical equipment supplied to a power supply circuit design power section, as shown below: ..
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Constituted by a 15V TOP224Y, 2A output DC switching power supply circuit shown in FIG. Using three integrated circuits: ICl is a monolithic regulator TOP224Y, IC2 is optocoupl..
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DK-5A, 5D, SDb control box, all with a thermal electromagnetic overcurrent release, the circuit shown in Figure 6-80. Trip has overload and short circuit instantaneous action l..
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Delay action, the instantaneous reset control circuit is divided into conducting pipe rechargeable delay circuit, tube cut-off control rechargeable delay circuit and a delay ci..
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Delay saving lamps as shown is a sound and light control delay energy-saving lighting double. It can directly replace ordinary light switch without changing the original lighti..
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Delay starting a motor control circuit ..
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Delay time is 0.5 ~ 3. 5s, adjustment potentiometer RP, can change the delay time. ..
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FIG. 57 is a simple delay lamp circuit, which is connected with the lamp E uses two-wire connection, so security bars when installed, can be directly replaced by an ordinary wa..
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FIG inverter I, II and R1, R2, CI and SB constitute bistable trigger switch, each time the switch SB, the anti- phase II level to the output of a change. Composition R3, C2, VD..
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FIG IC, ICR, Ri, R ,. AN composition and bistable contact cast Ge circuit. ICc. lc world where;, c2, Dj New Zealand into one-shot delay circuit meaning: [CL. ICrr W well-linkin..
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Delay application circuit is shown in Figure purposes JEC-2 consisting of two. When the input end is logic 0 to 1, the output also immediately end 1 ; but when the input end is..
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Diode VD2 ~ VD5, SCR vs consisting touch switch main circuit, R5 and VDI constitute a power supply circuit, the output of about 12V DC voltage of about, for manifold A electric..
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Conducting pipe rechargeable long delay control circuit Adjustment potentiometer RP, can delay up to several tens of seconds. ..