Current-sense amplifier to listen better t use amplifier IC LM1875 current-mode amplifier circuit shown in Figure 5-20. FIG resistor R3 and the speaker BL series resistance t i..
D-200W unique module design, overload, overvoltage, overheating, short circuit, reverse polarity power source, a variety of speakers shock protection feature set within a modul..
DC arc welding machine from the second load path of the power circuit shown in Fig. The circuit is only available for a longer downtime (approximately minutes) occasions, does ..
Current amplifier circuit configuration is shown in Fig., Followed by a two-stage operational amplifier LM318 complementary push-pull amplifier having an output resistance anti..
Design of wireless data communication circuit Wireless data communication circuit is mainly responsible for the motor vehicle and fixed base station system for close wireless d..
Crystal equivalent RLC circuit is shown. RLC circuit is a series-parallel, you can use a series resonant or parallel resonant manner style to operate. ..
Darkroom circuit one time exposure It audible signal when the developing time is coming. This circuit can be used to put photofinishing big timer, it can also be used for many ..
Darkroom time exposure of the second circuit It uses 555 IC A for the timing circuits. KA by the relay contacts to the control system of the exposure light source. Adjustment p..
Figure 1 circuit uses a single +V power supply, and a voltage output DAC AD5620. DAC input by an SPI port control. DAC output swing from V to +5 V. Within the DAC chip referenc..
Figure (a) shows the circuit with general inverting amplifier circuit differs only in that series with a 100k potentiometer feedback resistor between the input terminal and the..
Fig. A, b, c for the test rod end clip, a positive power supply terminating test equipment, b, c end series with the load, where c is the negative side of the device. Shu is th..
Figure (a) shows the circuit as a voltage follower, it is a special case of the in-phase amplifying circuit, the input signal from the integrated operational amplifier with the..
Composed of discrete components, also known as FM front end circuit FM receiver circuit, since components and more difficult to debug, easy miniaturization and other shortcomin..
Composite pipe circuit limits bulb cold current of the circuit b When the input signal is weak, the use of composite pipe circuit protection circuit shown in Figure 1 ..
Feedback has shown TDA6120Q factor 1/83 test circuit shown in Figure. Input signal Vi composed by Ra, C10, C11 input into the network TDA6120Q 2 feet, 2 feet and 4 feet are ins..
Female textile machine power control circuit shown in a diagram, VTH1-VTH3 is TRIAC, R, and C is the absorption line, Rz is triggering the current limiting resistor, Kl is to s..
Fans decorative light circuit in Figure 2-130, the circuit consists of step-down rectifier circuit, lattice specific integrated sound and light control roads and other componen..
FT245BM typical hardware circuit as shown in FIG. This circuit uses bus-powered mode, while using power-on reset mode, the output by the reset the device. The clock circuit can..
Constituted by the LM2641 output 5V/3A, 3.3V/4A, 12V/0.3A and 5V/0.025A four-output power supply circuit as shown in FIG. LM2641 is a dual adjustable step-down switching power ..
FS810 practical circuit as shown for the integrated power amplifier. FS810 is a high performance, integrated power amplifier for high-end tape recorders and audio equipment. Fi..
FIG. 3 a king in Figure 5, the circuit OP37 composed of multi-preamplifier o OP37 is a ratio of better performance NE5534 integrated operational amplifier circuit, Table 3-3 li..
FKL-32 type automatic thyristor excitation device suitable for terminal voltage of 400V, capacity sookW and below synchronous generator used for automatic adjustment of excitat..
FIG circuit, the oil pressure sensor is converted into a variable resistor Rt. Due to changes in Rt, changing the size of each transistor is biased, three LEDs (red, yellow, gr..
FIG clogging circuit wheat planter particles. In this circuit, the light-emitting diodes and photodiodes arranged in planting at the outlet - will be blocked, if blocked light ..
FET having a high input impedance, the noise figure is small, anti-crosstalk, good mutual interference term performance, etc., in the electronic circuits used more and more wid..