New Circuits Page 271

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, ..

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..

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..

Bistable circuit at the operating frequency of 100kHz or less ..

Bistable circuit at the operating frequency of 10kHz or less ..

Blind Pathfinder circuit is mainly composed of A741, LM567, KD153, 8050, 9012 and other components. ..

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 ..

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..

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..

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..

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..

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..

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. ..

Bridge integrated pressure signal conditioner MAX1450 drive circuit diagram composed of: ..

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, ..

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 ..

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..

Broadband using negative feedback amplifier circuit Shown as a negative feedback mode broadband amplifier circuit, the amplifier circuit are used transformer coupling, amplifyi..

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..

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..

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..

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..

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..

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..

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..

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..

CIC2851E refrigerator closed circuit principle reminders The circuit consists of step-down regulator rectifier circuit, the delay circuit, music IC CIC2851E, speakers and other..

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..

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)..

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 ..

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 ..

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 ..

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 ..

Calculate magnification, input resistance and output resistance circuit ..

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,..

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..

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..

Circuit Description: S1 promote the release of the current reaches the shut-off switch. ..

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..

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..

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..

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..

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..

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,..

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 ..

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,..

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..

Circuit as shown with W7805 positive current source application integration circuit composed of the regulator. CKS integrated voltage regulator circuit illustrated W7805 work i..

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; ..

Circuit characteristics: O simple phase shift range 180. PRACTICAL range of 170. ; influenced by temperature, suitable for small power, less demanding situations. ..

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 ..

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 ..

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..

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..

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..

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..

Circuit shown in FIG. 3 + 20. Figure, SBi as the start button, SB2 is the stop button, Hi to run lights, Hz as down lights. In the circuit described later, in order to avoid te..

Circuit shown in Figure 13-3. Figure 13-3 (a) DC power supply, Figure 13-3 (b) with AC power. They are used to control the relay. Flash frequency is determined by the resistanc..

Circuit shown in Figure 13-4. It uses triode control. Two transistors VTi, VTz by capacitive coupling C, so that they alternately turn on and off, so that H produce flash light..

Circuit shown in Figure 3 a child opening the main amplifier balanced by the electromagnetic pickup, line amplifiers and high tone control circuit consisting of roads and other..

Circuit shown in Figure 3-121. The key component of electromagnetic holding brake is an electromagnetic brake brakes, brake solenoid which is mainly composed of two parts iron ..

Circuit shown in Figure 3-123. When you press the stop button SBz, contact KMi release, cut off the power to the motor, at the same time, KMz pull, turn the electromagnetic bra..

Circuit shown in Figure 3-124. The line does not use an intermediate relay. Figure, Kv is the speed relay, when the electric engine speed is greater than 120r/min when the cont..

Circuit shown in Figure 3-127. It uses the time relay KT instead of the speed relay. Plugging time determined by the KT set. Generally 1-2s (adjustable). The circuit is suitabl..

Circuit shown in Figure 3-129. The circuit is C650-2 lathe brake control circuit. Kv using speed control relay. ..

Circuit shown in Figure 3-130. The line differs from FIG 3-129 line that press the stop button SB3, the electric motor begins braking. In addition, start-up and braking, the mo..

Circuit shown in Figure 3-131. It uses a relay in place of the speed control relay. The circuit is suitable for dusty rings and other poor environmental situation. ..

Circuit shown in Figure 3-132. The line is automatically round-trip, plug braking circuit. In order to prevent or limit switch SQl offside SQz malfunction caused the accident, ..

Circuit shown in Figure 3-134. This circuit uses automatic control braking means, it is given in Figure 3-133 (a) a base improvements made on the basis of using the time relay ..

Circuit shown in Figure 3-135. Braking time is determined by the time relay KT. ..

Circuit shown in Figure 3-136. The line adds a limit switch SQ, when the motor is running with a mechanical device to a predetermined position, turn off the power and dynamic b..

Circuit shown in Figure 3-137. This eliminates the need for a step-down transformer line, using the principle of energy storage capacitor discharge realization brake, it can be..

Circuit shown in Figure 3-138. The line is also using the principle of energy storage capacitors discharge achieve braking. Capacitance C and resistance R parameters from the m..

Circuit shown in Figure 3-139. This circuit uses a rectifier diode rectifier brake for neutral grounding of the three-phase four-wire power supply system. ..

Circuit shown in Figure 3-141. The line autotransformer voltage starting, dynamic braking. Figure, SBi buck start button, SBz the stop button. Buck start-up time by the time re..

Circuit shown in Figure 3-143. The line not only make the braking effect of the motor is in the normal shutdown, and jog through the process and has a good braking effect. Figu..

Circuit shown in Figure 3-144. The circuit for the automatic control of dynamic braking circuit using the time relay KT control system up time, dynamic braking power using the ..

Circuit shown in Figure 3-146. This eliminates the need for a step-down transformer line, using the principle of energy storage capacitor discharge realization brake, it can be..

Circuit shown in Figure 3-147. To allow sufficient braking time, using the time relay KT (1 ~ 2s, adjustable), the real on the occasion of a brake stop time may be short. Figur..

Circuit shown in Figure 3-154. Figure, KM3 braking contactors. Shutdown, you can disconnect the os. At this time, KM3 was electric pull its normally open contact closure shorti..

Circuit shown in Figure 3-2. That is in the original loop reactor governor again a series reactor. Reactor available TV choke on, can also be made: with such. About 3mm high st..

Circuit shown in Figure 3-21. It issued motor startup sound, light signal to start the process is completed, the signal stops. This circuit is adapted to drive the motor by mea..

Circuit shown in Figure 3-35. The advantage of this approach is to start the motor running from start to full voltage step-down switching over process uninterruptible power sup..

Circuit shown in Figure 3-8. It allows the fan when the turn stop, stop for a gradually increasing air volume decreases by a stop, so the cycle repeated. It uses 555 IC A compo..

Circuit shown in Figure 3-9. It is similar to Figure 3-8, except that zero off MOC3061 type photoelectric coupling B directly connected to control fan operation. ..

Circuit shown in Figure 5-60 in Figure 6 by the operational amplifier IC op amp set up a channel pre-amplifier to compensate for the loss of tone control circuit caused by inse..

Circuit shown in Figure is the use of low-drift current source circuit MIC2951 constituted its current source output current values are: ..

Circuit shown in Figure, when the phototransistor VT1 receives infrared light-emitting diode to the infrared light emitted, VT1 conduction, the inverting input of the comparato..

Circuit using the form shown in Figure 1-36, the feedback circuit and the bias circuit separately, Rfl take about 30fl. To ensure put magnification, R queue take lkflo between ..

Circuit works The danger zone warning circuit from the regulator circuit, the pyroelectric infrared detection trigger circuit, electronic switching circuit, voice circuits, aud..

Circuit works The harvester warehouse full of reminders by the photodetector amplifier circuit and sound and light alarm circuit, as shown in Figure 1. Circuit, the photodetect..

Circuit works as follows: the high frequency part of the antenna to receive AM radio to a radio-frequency signal amplification crossing, elected by this vibration level 465kHz ..

Circuit, the comparator Al, A2 is a single trigger timing device. When the light is interrupted, photodiode VD of current changes. Al output trigger A2, A2 output goes low and ..

Circuit, the diode VDi, f Pooh is used to stabilize VTi, VT2 base bias, so that when the supply voltage in a certain range, VTi, VT2 a more stable quiescent point. If there is ..

Cl capacitor feedback amplifier output signal diversion effect. In the bass, ct t is not similar to the open diversion effect. As the frequency increases, the streaming effect ..

Class A power amplifier distortion, although low, but its low efficiency and output power is small, so people designed B power amplifier circuit. B amplifier circuit is to work..

Class AB output stage circuit coupled diode shown in Figure 10-8. Static, adjust VT1 bias circuit (not shown), so that the output at point E on the ground DC voltage UE o. The ..

Clip-on current probe, such as the Tektronix P6021 current waveform for oscilloscope display is very useful. Unfortunately, for the low-frequency response is always some limita..

Closed loop portion is composed of longitudinal and transverse two systems, circuit works briefly as follows: issued by the control circuit of the stepping motor CNC system pav..

Comb electric circuit shown in Figure 1-3. It has two temperature options, switch S into L or H profile file, you can get different temperatures. Then later on switch S, the ci..