Top Circuits Page 65
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As shown in the battery voltage is 1v low frequency amplifying circuit, the circuit can operate at 1 ~ 1.7V power supply voltage, it can be powered by small batteries. Output p..
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As shown in the circuit diagram SF04E emission and SF04B thereof. (A) shows a remote control transmitter SF04E composition, and it receives the matching circuit can SJ04H assem..
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As shown in the circuit with 24 300 in Europe, a 0.5W resistor in parallel as a heating element R7 buried in the sand bunk aquariums with 24V bulbs connected to both ends of th..
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As shown in the figure shows the actual application circuit TDA8351/8356, when the 50V VFB 60V, VFB in series with the input of a 33 resistor. Signals are input 1,2 feet, these..
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As shown in the frequency of electronic locks by the PLL audio decoder LM567 composition, the electronic lock circuit uses the LM567 audio decoding characteristic, that is, whe..
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As shown is a constant voltage/current power supply box diagram. It consists spread current, constant voltage and constant current of three parts. 3CF5 two power transistors in..
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As shown program uses Linears LT1934 chip production, high cost, high overall efficiency of the electricity load circuit design is less demanding, there are a lot of adjustment..
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As shown with the production of hi-fi amplifier IC TDA1521A amplifier circuit having fewer external components, without debugging, mounted on a ring characteristics. Homemade s..
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As shown, OBO V20C as lightning protection module, lightning damage maximum current of 40kA; k relay; KM for the contactor; FU for the fuse; HL traffic lights. ..
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As shown, the circuit consisting of two discrete PNP Darlington transistors constituting the external PNP transistor QEXT circuit to expand output current. Here we do not advoc..
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As shown, the circuit is canceled due to an external transistor becomes simplified. The connection between both original external transistor emitter feet and legs a 3.3k resist..
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As shown, the circuit uses the LM129 regulator to generate 6.9V voltage reference, provided 1.0147mA current from 6.9V reference voltage to the bridge. Bridge may be as pressur..
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As shown, the circuit voltage source VREF excitations sensor bridge. This is a very good incentives, the excitation voltage VEX VREF (1 + R1/R2), wherein both ends of the bridg..
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As shown, the circuit will combine XTR101 with isolation amplifier ISO100 use, the 4 ~ 20mA current transformation and enlarged to + 1 ~ + 5v voltage output, while isolating th..
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As shown, the long wire current loop transmission will be introduced radio frequency (RF) interference, RF energy can cause sensitive XTR108 input errors, performance in an uns..
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As shown, the power supply terminal to use 1 F chip capacitor filter, and should be as close to the chip supply pin placement. Signal produced by 2 feet and 3 feet input, signa..
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As shown, the two current sources inside the chip (1 foot and 14 feet out) bridge excitation, the output of each current source is 0.2mA (XTR114) or 0.5A (XTR112). With RCM adj..
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As shown, this circuit is suitable for shooting at night and turned on the lights corridor. During the day due to sufficient light, BG3 conduction, SCR blocking oscillation cir..
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As shown, this is a closed loop made up of three identical composition of the Schmitt trigger, end to end. Each flip-flop delay is td l. 1 (RP + R) C, i.e., the voltage on C td..
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As shown, when not in external transistor Q1, connect a 3.3k resistor between feet and legs. With this connection circuit due to internal power dissipation affect accuracy will..
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As we all know, when a single-supply op amp, a bipolar signal environment to achieve a simple function may be difficult. Sometimes the need for additional operational amplifier..
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Asymmetric third order Butterworth active crossover network circuit diagram as follows: ..
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Asynchronous motor reactive power compensation on the spot, is the capacitor directly connected with the asynchronous motor stator windings connected to increase the power of a..
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At present, more and more patients with osteoarthritis, osteoarthritis to relieve the tremendous suffering to the patient, so that patients return to normal life. In this case ..
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At the input of the operational amplifier plus a resistor - diode network can be constructed square-law function conversion circuit. Resistor - diode network and form a voltage..
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Attenuation is a feedback tone control circuit consists of transistors and RC network formed. Circuit, RPz low tone control potentiometer, RP3 treble control potentiometer o Wh..
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Audio equipment from the former speaker output terminals left and right channel signal, the Rl, RZ mixed units, after ICla buffer into the high and low pass filter. Filter uses..
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Automatic electric furnace temperature controller shown. The closed circuit is formed from a temperature detection output control loop; the temperature rises, the output voltag..
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Available RC coupling between its two stages can also be directly coupled. It is in addition to the common-emitter total radio circuit configuration o road fork a widely used o..
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B is a pure output CL mode power amplifier. Preamp input portion of the circuit does not use mass conventional differential input circuit, instead of using a single-ended input..
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BA3884 DC operating voltage of 5.4 ~ 12,3V, its internal circuit principle and application circuit as shown in Figure 5-16. The circuit is a two-channel processing circuit, the..
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BA532 and low frequency power amplifier circuit for OTL circuit, output power up to 5.8W, equipped with load short-circuit, over-voltage and over-temperature protection circuit..
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BKQ series automatic parallel controllers are designed specifically for small hydropower automation devices in parallel for a capacity of 3200kW and below the high or low press..
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BSL is shown in low-voltage distribution panel wiring diagram. It consists of three parts, namely, the voltage measuring circuit, secondary circuit protection and energy meteri..
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Bad book binding circuit not shown, do the solenoid valve to control the head of the YV1 bad book is not set, no positive signal of bad books under constant conditions, the fli..
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Basic features: O internal containing 512k bit EEPROM, you can always recording, playback at any time, long-term retention after power voice. Voice recording time is 20s. can b..
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Basic reference bias circuit transistor - negative voltage feedback ..
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Basic reference transistor bias circuit - Mixed Negative feedback ..
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Battery forklifts are railway stations, docks, warehouses balloon-like plant in two commonly used as a stacking and handling tools. Pictured It forklift battery shape and elect..
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Battery voltage indication circuit Using this circuit can change the status display, if foot plus a further transistor drive LED, the battery voltage is normal. LED is not lit,..
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Because so many AP500A having the above advantages, the use to which the stereo has incomparable superiority. AP500A use can be made of OTI, ) CI a, rK, BTL, class AB, super CP..
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Because the ball Jiu zoom magnification circuit is inverted feedback circuit voltage division ratio of the number of wells by the clamor of 2 to 5 to determine the partial pres..
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Because this amplifier circuit OP mountain with isv power-driven, so sad existence as floating voltage error plus high pressure booster as a disc insurance o transistor Tri, TT..
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Before and after the adoption stage and servo circuits are power supply. ..
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Better performance is a dynamic expander circuit NE571 and LM1894N thereof. Dynamic Expander to join the Formula circuit consisting of a variable with LM1894N bandpass filter, ..
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Bicycle tire leak detector circuit schematic. Car tire punctured by sharp objects leak site air sound microphone BM is received after the closing, signal conversion, via a capa..
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Binary gain step circuit is shown by PGA205 constituted a gain range of 1 to 64. The circuit uses two PGA205 cascade with a total gain of the circuit is the product of a two-st..
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Bistable circuit at the operating frequency of 100kHz or less ..
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Bistable circuit at the operating frequency of 10kHz or less ..
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Blind Pathfinder circuit is mainly composed of A741, LM567, KD153, 8050, 9012 and other components. ..
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Blind when they go out to bring a total crutches to Pathfinder to avoid obstacles. Due to hand battle not be too long, the detection distance is very limited. Using ultrasonic ..
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Blocking material monitoring circuit is shown. When the optical path is blocked by the material, the phototransistor VT1 off, off transistor VT2, VT3, VT4 shoot coupled flip-fl..
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Bong circuit is a high frequency Colpitts circuit l shake Ge coil L, there are two f head, simple production, by determining the frequency of oscillation and tested to determin..
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Books presentation general power thyristor trigger circuit are more complex, and some elements hard to buy. I only spend a few dollars made trigger circuit has been successfull..
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Both circuits can trapezoidal wave voltage synchronous Here is converted into intermittent small rectangular pulse. Its working principle is to make periodic operating in synch..
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Both collector and base-emitter bias transistor is coupled directly to each other. Each transmitter circuit capacity control conversion function. The emitter generates a triang..
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Both resistive and capacitive type capacitor discharge circuit is the use of the method of strong excitation. Capacitor C capacity, the longer the strong excitation time. ..
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Bridge integrated pressure signal conditioner MAX1450 drive circuit diagram composed of: ..
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Bridge is a low frequency push-pull power amplifier circuit, its structure is very simple, output power up to 1W. Walkman used as an external amplifier, it can serve as phone, ..
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Bridge rectifier capacitor filter is one of the main power supply of the current amplifier circuit, such a power supply circuit configuration simple one, better performance. A ..
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Broadband high frequency amplifying circuit Shown as a broadband high frequency amplifying circuit, and is mainly composed of a high-frequency matching transformer amplifying t..
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Broadband using negative feedback amplifier circuit Shown as a negative feedback mode broadband amplifier circuit, the amplifier circuit are used transformer coupling, amplifyi..
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By an integrated power amplifier TDA2040 composed OTL power amplifier circuit is shown, which uses +3V single supply as the working voltage. This circuit voltage gain 30 dB (32..
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By the CW4962, CW4960 constituted + 5V/1.5A, -l2V/100mA stabilized power supply circuit is shown. Wherein, + 5V, 1.5A is the main power supply. Output circuit using the transfo..
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By the transistor VTi, VTZ composition self-excited multivibrator. Adjustment potentiometer RP and two RC transistors related parameters, time to change the lights and the ligh..
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CA3600E array transistor pair and a reverse CA3080 operational amplifier used in conjunction to provide precise timing and thresholds for the square wave. A typical static powe..
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CAT3200 and CAT3200-5 is switched capacitor boost converters, they can adjustable output voltage and low noise. CAT3200-5 output voltage is fixed to 5V. CAT3200 can use an exte..
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CD4017B input signal is applied where CP triggering end, I lost A ~ 3HCD4017B pulse signal is liter inline J. IC Icl a straight-through output signal hill, iq is through Nortel..
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CD4051 is a single-ended input 8-channel multiplexer, it comes with three-pass channel select inputs A, B, C, and an inhibit input INH, input terminals A, B, C signal is used t..
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CD4069 unit structure of FIG. 2-5 (a) shown below, it is composed of two abutment surfaces into CMOSFET, the input-output characteristics shown in Figure 2-s (b) in Fig. Becaus..
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CIC2851E refrigerator closed circuit principle reminders The circuit consists of step-down regulator rectifier circuit, the delay circuit, music IC CIC2851E, speakers and other..
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CJ-12 Excitation regulator is suitable for a capacity of 250kW or less automatic excitation device small generators. Its circuit is shown in Figure 7-45. Adjustment potentiomet..
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CL type neither is a power amplifier output capacitance and feedback capacitance nor compensation capacitor amplifier circuit, all-electric road only by the transistor (or FET)..
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CMOS and PMOS cross interface circuit b PMOS integrated circuit high input impedance, input current can be ignored. CMOS and PMOS interface circuit shown in Figure ..
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CMOS interface circuit with the PMOS cross-c PMOS integrated circuit high input impedance, input current can be ignored. CMOS and PMOS interface circuit shown in Figure ..
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CPI is 100w DC super power amplifier circuit composed by the AP500. FIG VTs, Vr7 and VT6, VTs parallel push-pull amplifier output stage the composition, to increase the output ..
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CSJ-T300B/CSJ-R02B is to increase the digital encoding and decoding circuit in CSJ-T300A/CSJ-R02A basis after the formation of the remote control circuit consists of CSJ-T300B ..
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Calculate magnification, input resistance and output resistance circuit ..
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Capacitive circuit duty cycle is very low, in the range of 1-10%. When the current is only 50mA, the battery current consumption is only 1 A. R4 and C control the opening time,..
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Characterized by a steady flow of power when the power supply voltage fluctuations or load changes, to maintain a constant load current. The output current of the circuit shown..
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Chip power later, when the strobe IEB held low, the memory can be transferred to the instruction, address, write or read data. All means order, address, data transfer is starte..
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Circuit Description: S1 promote the release of the current reaches the shut-off switch. ..
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Circuit Description: Signetic balance modem connection transistor array as a phase detector, which contains information about the output of the cosine of the phase angle, equal..
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Circuit Description: The 566 can be connected to either positive or negative ramp generator. For positive ramp generator, the external transistor driven by the output pin 3, at..
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Circuit Description: The maximum gain circuit 741 to 20000, but the design of the circuit while filling a gain of 2.7 million, and then causes the output distortion. This disto..
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Circuit Description: This circuit uses an astable multivibrator to change the face-up or facing negative circumstances, also uses a flip-flop, flip-flop state that there had be..
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Circuit Description: Transistor can amplify the input signal. Then two diodes clamp distorted output, high-frequency noise is 500 pF capacitor filter out from the circuit. Unde..
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Circuit Description: Under inject mode, the calibration circuit provided in the audio range square wave output, power harmonics can be heard several Hertz. Under Tracking mode,..
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Circuit MVBR traditional two-transistor and other components to provide a simple phase locked loop. TR1 and diodes in the form of logic gate turns on, then half period and the ..
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Circuit Principle: Using LC oscillator frequency drift is more serious. SAW devices appear to solve this problem, the frequency stability of the crystal substantially the same,..
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Circuit Principles and Applications within the lC CXA1100 series. FIG SAt Dolby switch, SAz, as recording/release switch. When the recording is placed SA2 (R) position, audio s..
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Circuit as shown with W7805 positive current source application integration circuit composed of the regulator. CKS integrated voltage regulator circuit illustrated W7805 work i..
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Circuit characteristic is the elimination of the external input resistors, thereby reducing the element of the working point stabilization, also uses two DC negative feedback; ..
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Circuit characteristics: O simple phase shift range 180. PRACTICAL range of 170. ; influenced by temperature, suitable for small power, less demanding situations. ..
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Circuit consists of two parts, (1) the power supply circuit via the transformer T, AC 220V down to 33V, full wave rectifier, filter, three-terminal regulator outputs + 24V and ..
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Circuit current is greater than the load carried by the rated current meter, the user immediately cut off the power supply to be subtracted overload, press the reset button to ..
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Circuit element appears more problematic is Shu. Since long time after the start button, even if the turtles produce sperm Viagra. When Pi Wen Cut for large electric-like tyran..
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Circuit principle : the oxygen sensor circuit by the OS-12, DC amplifier IC1, A/D converter IC4, a liquid crystal display F2100-34PI, the voltage comparator IC2, the positive a..
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Circuit schematic shown in Figure 1-29. The aircraft from the 1/26N2 as voltage amplification by the power amplifier as 6P1, rated power up to 1. 5W. Filament DC powered to eli..
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Circuit schematic shown in Figure 2-3 ov, rlr, VT2 composition twin direct coupled input amplifier stage, the emitter-VT2 VTr base using local feedback to stabilize its DC oper..