New Circuits Page 272

Combination of common-source grounded emitter amplifier A combination of common-source grounded pole radio amplifier. Common emitter amplifier input impedance in the range of l..

Combination of source is grounded and the emitter follower The source is grounded and the emitter with Chong device (common-collector transistor amplifier) combination. As show..

Common base transistor amplifier circuit of a unit Common base amplifier basic structure of the circuit as shown, one of the key components primarily biasing resistor, capacito..

Common collector amplifier circuit DC and AC path b (3) common-collector amplifier circuit DC and AC path when common collector amplifier circuit for analysis, can be divided i..

Common collector amplifier via a DC and AC (3) common-collector amplifier circuit DC and AC path when common collector amplifier circuit for analysis, can be divided into DC an..

Common emitter amplifier circuit resistance and capacitance coupled basic ..

Common emitter amplifier input and output signals of the phase relationship Common emitter amplifier circuit phase relationship of the input and output signals, as shown in FIG..

Common emitter amplifier works a Signal by the common emitter inverting amplifier output signal amplification unit posterior pole circuit, it works as shown. When analyzed, we ..

Common intermediate frequency amplifier circuit having a circuit and on the radio as shown in FIG. Component Parameters Reference values are as follows: 1) transistors: VT1 to ..

Common mode input voltage up to difference l00V enlarged circuit diagram: ..

Common mode signal of emitter-coupled differential amplifier circuit a At the input of the circuit is assumed that two equal small increase, of the same polarity signal (referr..

Common phase frequency detector can be divided into mutual coupling and capacitive coupling frequency discriminator frequency discriminator according to their coupling. Its imp..

Common series negative feedback amplifier (2) series negative feedback amplifier shown in series is a common negative feedback amplifier. Wherein R is the resistor current nega..

Common telecoil is MM formula (magnetic-acting), about 600 in order to take the received signal, should reduce the impedance in the high segment, in parallel with 150pF input p..

Common-emitter amplifier V502, V504, V506 emitter static potential bias voltage forming circuit [ie voltage follower) shown in Figure 3. Active filter by the V507, VD502, VD503..

Commonly referred to as automatic amplitude control circuit AGC circuit. It is mainly used in the receiver, the machine when the input signal amplitude change to maintain the o..

Compare similar products YSS247 has the following characteristics: less external components. The difference is that with SRS5250S, YSS247 just a potentiometer to adjust the sur..

Compensation is to focus on high-pressure high-voltage capacitor bank focused on the plant installed in the substation 6-10kV bus. Compensation can only be compensated in this ..

Bias voltage negative feedback circuit ..

Circuit works: At present, although the most commonly used method is to pulse width modulation speed, but the circuit is a pulse position modulation (when known as pulse modulation). ..

Structure and working principle c brushless motor windings Structure and working principle of the triangular coils As shown, through the switch, you can make the stator coil ..

Electromagnetic brake motors from the motor and electromagnetic brake NB ordinary composition. Circuit is shown. Figure, FR is the forward run and stop command terminal; intermediate relay KA is used to control the motor started...

Penetrate the motor phase line with a transformer when the induced voltage is ov. When one phase or two-phase or three-phase serious imbalance, transformer induced voltage rises rapidly, resulting in the transistor base current after rectified immediately..

BTS412B as two high-side power MOSFET switch and two BU271L 50v for the low-side switch, can be composed of bi-directional H-bridge DC motor drive circuit shown in Figure 11-1l. The circuit is an electrical automatic doors design, continuous current up to 6A...

Semiconductor thermistor embedded thermal protection element belongs, it is sensitive to temperature, temperature error of 5. Its reliability, small size (diameter 3. Smm), easy to install, easy to embed winding, use it as a temperature sensing element can..

Circuit shown in Figure 3-157. The circuit can be used motor capacity of not more than llkW and require precise stopping of the occasion. Shutdown, contact KMi release, Mi and M2 motor stator winding is formed of three rectifier circuit and three short road....

Motor is heating devices, by accident or overload often caused when the coil winding temperature is too high, as shown in FIG. 1-9 TC649 motor overheating protection and drive circuit. NTC thermistor RT close to the motor of the motor temperature detection,....

Motor windings are scheduled to join Y Rong, while L IS ON, 2JC {}} electric suction, Union minister motor Y} i pick Save iIf /) f ~ tjj. ON 115 causes JMP - S also coat LU r + ashamed, to turn the motor was built gun delete, turn a motor built escape Wu j l....

Ic, spread the use of electric comparator LM339c1 / 4), the potentiometer B to set the desired degree of construction, built-degree feedback signal by R., white A strong piece pressure point achieved, assuming a nephew increase the load speed r leaving..

Miniature DC Motor Speed Control circuit b Having a steady speed function micro motor drive circuit steady speed Miniature DC motor control circuit shown in Figure 8-32. Ring (a) shows the voltage feedback mode is for tape recording machine miniature DC motor ..

A three-phase electric motor is over- current protection circuit. How it works: This example circuit uses a transformer to sense the current, three-phase motor currents exceedi..

A very nice radio control circuit can be used to control the circuit shown below in small motors. The circuit is very similar to the car radio remote control toy 7 function: fo..

A very simple forward and backward drive motor control electronics projects can be designed using a low saturation voltage LB1948M 2 channels, forward-reverse motor control dri..

A very simple single-phase brushless DC motor drive electronics items, you can use a DC brushless motor driver NJU7365 New Japan Radio Co., Ltd. by the IC design. NJU7365 is a ..

AC contactor Cli suction units, motor was switched on at the same time, CJ1 pair of contacts to the thyristor SCR shorted SCR it off. Contactor C interesting by the diode DC vo..

AC motor control circuit sprinkler If the circuit in the motor is an AC motor can be designed according to the circuit shown in FIG connection, work process and the principle o..

Adjustment potentiometer RP, can change by the 555 IC A New Zealand into a square wave duty cycle of the square wave, the motor speed to achieve the purpose of the speed range ..

All input is compatible with TTL. Each output is a complete totem pole driver circuit, Darlington transistors chip and pseudo-Darling source. Driver enable, 1,2 EN and drivers ..

Almost open collector two outputs, open a withstand voltage of 60V, continuous conduction current of 0.3A, voltage drop typical type is 0. 4V, Zhang peak current of 9A. Can dir..

As shown in Figure 3-105 2Y/2Y-connected two-speed motor stator windings lead wiring diagram. ..

As shown in Figure 3-109/connection of two-speed motor stator winding lead wire connected coils, ..

As shown in the three-phase motor with broken bars of inspection circuit: ..

As shown is composed of 555 motor automatic governor circuit. The circuit composed of flip-flops 555 and a switch tube. R7 and motor in series to form a sampling circuit. RP1 c..

Automatic washing machine motor driver schematic It shows the automatic washing machine motor drive circuit schematic. The circle of Narcissus XQB30-III-type washing machine mo..

Below is a circuit diagram of the motor winding current imbalance drying: ..

Bridge motor drive circuit Bridge motor drive circuit is shown, the driving stage of the circuit is 4 transistors. The control circuit is provided with four ends, through to A,..

Brushless DC motor control circuit MC33035 and MC33039 uses a combination of the control circuit is shown in Figure A typical brushless DC motor control circuit, which is mainl..

Brushless motor rotor, a stator and a drive circuit Relationship between the brushless motor rotor, a stator and a drive circuit is shown in Fig. The initial state illustrated ..

By the PI.] P-type transistor VT2, VT3 and other components common emitter-coupled trigger (ie, Schmitt trigger device), equivalent to a switching circuit to detect a change in..

By the main speed setting box FR-FG and the linkage setting operation box FR-AL (Mitsubishi inverter) multi motors synchronous operation. Circuit is shown. Using these two exte..

C ,. C! Composition ratio circuit. Ri. C, constituting the shift shed circuit diode VDi - VD4 constitute destroy stream bridge, electric pit C4 is used - Application Filtering ..

Check the three-phase motor with broken bars As shown in the three-phase motor with broken bars of inspection circuit: ..

Circuit as shown below, when the three-phase circuit in any one phase, star point balance is broken, small relay J is energized, an external control contact action, immediately..

Circuit can be used to control low power DC motor, series motor or shunt motor speed and direction. Motor and rectifier bridge G1 series, and then connected to the grid transfo..

Circuit connection as shown in a, b, in which a star-shaped FIG winding shunt capacitance of the connection, Fig. B triangular winding capacitance in parallel connection. FIG W..

Circuit is shown in Fig. 16-95 - 16-97. The electrode automatic adjuster has better performance. Such as the use of the accuracy high, good linearity current output type bridge..

Circuit is shown. Motor using series resistance in the rotor winding start. Drawing, electrical velocity off the relay KIi ~ KI3 for motor short circuit protection; overcurrent..

Circuit shown in Figure 16-105. Figure, MS synchronous motor. BQ its field winding; G AC excitation hair motors, BQG its field winding {empty box as part of the de-excitation. ..

Circuit shown in Figure 3-104. in graph. SB2 is running at low speed button, SBi as the high-speed operation button. ..

Circuit shown in Figure 3-107. Figure, SBi is running at low speed button, SB2 for the high-speed operation button. ..

Circuit shown in Figure 3-108. SB3 for the forward button; S Island reverse button; SBi as low start button; SB2 to speed the start button; SBs for the stop button; KMs for the..

Circuit shown in Figure 3-11. It uses a one-way thyristor control. Adjustment potentiometer RP, continuously changing the motor speed. ..

Circuit shown in Figure 3-112. Figure, SBi as the first speed operation button, SBz is run by the second speed class. Two speeds in the same direction. ..

Circuit shown in Figure 3-115. It uses contactors and double buttons, so when converting speed without press stop press ugly, can be directly converted. SBi, SBz button and SB3..

Circuit shown in Figure 3-12. It has a variable speed and timing control functions. When the switch S placed in the 1 position, press the button SB, the motor starts running, a..

Circuit shown in Figure 3-120. If the motor capacity is small (less than the rated current 5A), it can use an intermediate relay (contact a few more) instead of the contactor. ..

Circuit shown in Figure 3-14. SA switch placed in the work position, the motor is transferred; SA placed bit is set, reverse the motor. Drawing, over-voltage protection element..

Circuit shown in Figure 3-150. When shut down, the contactor KM1 released. KMz pull, 220V AC power supply through the diode VDi, VD2 rectifier, the motor primary and secondary ..

Circuit shown in Figure 3-151. Figure 3-151 (a) of the capacitor banks connected into shape, it applies to shaped or Y-connected motor; Fig. 3-151 (b) of the Y-connected capaci..

Circuit shown in Figure 3-16. It uses 555 IC A as the control element; capacitive step-down circuit; bidirectional thyristor V between the motor control intermittent operation...

Circuit shown in Figure 3-175. Regulator connected between one phase and neutral. It applies to the rated voltage of 380V torque motor. This method than the degree of the imbal..

Circuit shown in Figure 3-176. This adjustment method, the motor can run at equilibrium, adjustment range and relatively wide. But requires a three-phase voltage regulator, hig..

Circuit shown in Figure 3-177. It uses two single-phase voltage regulator and connected to a V-shaped, single-phase regulators when two concentric series of time-linked slippag..

Circuit shown in Figure 3-178. It withered speed torque motor for continuous casting machine, the circuit from the main circuit, trigger circuit, manual and automatic control s..

Circuit shown in Figure 3-181. Main circuit consists of three thyristor Vi-V3 components. Trigger circuit single-junction transistor relaxation oscillator. Speed circuit has ne..

Circuit shown in Figure 3-186. Figure, os for the isolation switch; QF vacuum circuit breakers; YR line for the circuit breaker coil; YA circuit breaker closing coil; SAi dashe..

Circuit shown in Figure 3-189. Figure, SA controls switch; SBi is closing button; SBz to trip button; Yaa de-excitation switch is closing coil; YR3 is off trip coil magnetic sw..

Circuit shown in Figure 3-190. The line in the armature circuit in series two startup resistor Ri, Rz, through the main switch SA to achieve start, stop and speed control. Duri..

Circuit shown in Figure 3-191. The line in the DC motor armature circuit in series two-stage startup resistor Ri, Rz, Lee realized using the buttons to start and stop the motor..

Circuit shown in Figure 3-193. Motor is separately excited DC motor. The brake circuit does not take measures, so the positive reversals alternately using delay action time rel..

Circuit shown in Figure 3-194. Motor is re-excitation type DC motor. The motor has six terminals, sl, S2 for the armature windings; cl, cz for the series excitation (field) win..

Circuit shown in Figure 3-196. The circuit has a resistance level start, under voltage relay KAz controlled by the startup resistor removed; shutdown, the use of dynamic brakin..

Circuit shown in Figure 3-197. Dish adjust rheostat RP, can change the field current to change the motor speed. ..

Circuit shown in Figure 3-201. The circuit has two starting resistor, starting resistor controlled by the time relay cut; SA by a master switch to control the motor reversing o..

Circuit shown in Figure 3-41. This circuit Y- transfer process, contact KMi turned off again experienced a process of turning that motor is transitioned in case of power failur..

Circuit shown in Figure 3-64. When the switch SAi placed in the work position, SA2 placed in the standby position, the motor is running Mi, Mz spare. When downtime occurs when ..

Circuit shown in Figure 3-72. The circuit uses deformable bistable reversing motor control circuit automatically run and stop there during the time delay (time adjustable), to ..

Circuit shown in Figure 3-92. It uses dual-phase sequence protection relay sense. When the power positive phase sequence (U, V, w), following the electrical KA pull. If the pow..

Circuit shown in Figure 3-93. It is coupled with optical phase sequence protection relay. ..

Circuit shown in Figure 3-96. Figure, SBz is running at low speed button, SBi as the high-speed operation button. SB3 for the stop button. In this circuit, a motor connected in..

Circuit shown in Figure 3-97. The circuit only two contacts, the circuit is simple, but only applies to the following 2kW dual speed motor. Figure, SBi is running at low speed ..

Circuit shown in Figure 3-98. Motor starting and low-speed operation is controlled by a switch SA. Adjust the time relay KT, the motor can be changed from low speed to start hi..

Circuit shown in Figure 3-99. The low start-up circuit to the motor ( shaped connection), then automatically accelerated speed into high speed (2Y-connector) operation. Start f..

Circuit shown in Figure 4-2. It uses two thermal resistors, a (Rc,) is used as overload protection, another (Rt :) used as an alarm. ..

Circuit works (only the relevant parts of the manual draw mode): Figure a shows a circuit schematic circuit; Fig. B Typical electricity as conventional secondary circuit road; ..

Collaboration with the dancers balanced bridge long on the porcelain unit Sync adjustment rheostat speed control system shown in Figure 3 to 183 in FIG. Others, such as electro..

Shows - typical of six dynamic display circuit. In the figure, the PA 8255 end date display output code. PB port output bit election code. Let the display buffer is DISBUF, then complete..

Is the use of LM324 as a band-pass filter, LB1405 for five-band spectrum display drive display circuit. Point 3 is selected frequency harmonic relationship, their center frequency is 100Hz, 330Hz, lkHz, 3.3kHz, 10kHzo band-pass filter is 0 = IO.KF = o 20 cases..

3 shows two kinds of digital display circuit, Total (a) adopt common anode circuit configuration, FIG. (B) the use of common cathode path structure...

6 shows the static display circuit. Figure, 74LS244 as bus drivers, six figures show a public bus, each with an LED display martyrdom latch (such as 74LS273) connected to the code for latching display data to be displayed. Data is displayed on behalf of..