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..
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..
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..
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..
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..
FIG VDI, VD2, Rl and Cl form resistance voltage half-wave rectifier circuit, the output DC voltage 5v supply manifold with electricity. R2 for the manifold provides AC zero-cro..
Current-voltage conversion circuit is often used in the current detection circuit, shown 6-19 ring inverter air conditioner current detection circuit, the circuit is mainly use..
Explanation Here is a simple circuit diagram frequency (F and V) voltage conversion. It found that the digital frequency meter circuit, the circuit is mainly based on a LM555 t..
Discrete components ultrasonic transmitter circuit T/R-40-16 can emit a series of ultrasonic signal of 40kHz. This circuit voltage of 9V, operating current of 25mA, control dis..
Drawing, potentiometer RP for adjusting the operating voltage of the relay KA, ensure that the motor work normally when E KA does not operate reliably action phase failure occu..
Figure 2-78 is SH-841 as the core device made holiday lights controller. By SCR VSl ~ VS4 to drive light string H1 ~ H4 flashes. Manifold operating voltage by AC by VD1-VD4 bri..
20W + 20W of stereo amplifier consists of two complete, independent 20-watt RMS amplifier in bridge. The input source is brought into the shunt voltage amplifier, it is by R1, ..
4 ~ 20mA constituted by a TMP35 temperature transmitter circuit as shown in FIG. This circuit can be a voltage signal TMP35 output is converted into a standard 4 ~ 20mA current..
3-9V adjustable lOOmA power supply as shown in Figure 12-30 power supply, there is a series regulator circuit using the amplifier tubes, the output voltage from the 3 ~ 9V cont..
1.25 ~ 37V as shown for the adjustable power supply circuitry. It is adjustable three-terminal regulator typical application circuit, characterized by good performance, stable,..
2.5V voltage regulator circuit Shows the computers motherboard in 2.V voltage regulator circuit, the oscillation circuit switch IC RT9202 control core chip, will become +2.V po..
1500A-7V-phase thyristor power regulator circuit a plating It consists of the main circuit, control circuit and the protection circuit has three major components. The control c..
12V DC power supply circuit A typical 1V DC power supply circuit as shown in FIG. The figure for the power supply transformer Tr, which the mains voltage to the required two gr..
1200 to 6000A-10V three-phase thyristor power regulator circuit plating It consists of a main circuit, trigger circuit, synchronous power, voltage negative feedback circuit and..
In some of the requirements and the current is not rectified voltage power supply circuit is not high, can be used to form a light emitting diode rectifier circuit,..
1832 for bridge measurements, the external circuit is very simple, as shown in FIG. Belly adjust sensor bridge drive voltage ( feet), the adjustment range is +4 a + 10V, based ..
Circuit works: This is an AC blown fuse alarm. When BX is not when blown, 220 V AC voltage through a VD1 VD4 bridge rectifier, R1 limiting buck, after DW 6V DC..
4 ~ 20mA current transmitter circuit from the MAX1459 configured as shown in FIG. The PGA output voltage supplied to the spare amplifier chip, and then through an external powe..
2SA130 transistor shown oscillator, the oscillation frequency of 7 MHz, the power supply voltage is 6V, frequency-selective resonant circuit load 600 Q. ..
Using two operator triangular wave oscillator A practical application of the relaxation oscillator using a voltage comparator to perform the switching function, FIG. 2 is the use of composition operator triangular wave oscillator...