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Index 1709

BA3106 fan single chip microcomputer integrated circuit

Published:2011/6/22 9:07:00 Author:Christina | Keyword: fan, single chip, microcomputer, integrated circuit

BA3106 fan single chip microcomputer integrated circuit
BA3106 fan single chip microcomputer integrated circuit
BA3106 fan single chip microcomputer integrated circuit

The BA3106 is designed as one kind of fan single chip microcomputer integrated circuit which is produced by the Toyo company, and it can be used in all kinds of fan control program circuits. The BA3106 uses the 22-pin dual-row DIP package, the typical application circuit is as shown in figure 1, the pin functions and data are as shown in table 1. Figure 1 The typical application circuit of the BA3106 Table 1 The pin functions and data of the BA3106   (View)

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Switch integrated voltage-stabilizing circuit

Published:2011/6/21 1:21:00 Author:Christina | Keyword: Switch, integrated voltage-stabilizing

Switch integrated voltage-stabilizing circuit
Switch integrated voltage-stabilizing circuit

The model numbers and features of some switch integrated voltage-stabilizing circuits are as shown in the table .   (View)

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ELM95 series application circuit

Published:2011/6/14 2:13:00 Author:Christina | Keyword: application circuit

ELM95 series application circuit
The ELM95 series DC/DC convertor application circuit is as shown in the figure. This circuit has very few external components, it only has the inductor, the diode and the capacitor. The ELM95 series DC/DC convertor application circuit In application you should pay attention to choose the small inductance coil resistance and it can not appear the magnetic saturation, the diode need to have the fast switching speed, the pressurization of the capacitor is at least 3 times of the output voltage.   (View)

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BA6430S motor driving integrated circuit

Published:2011/6/14 1:46:00 Author:Christina | Keyword: motor driving, integrated circuit

BA6430S motor driving integrated circuit
BA6430S motor driving integrated circuit
BA6430S motor driving integrated circuit

The BA6430S is designed as one kind of motor driving integrated circuit that is produced by the Toyo electric tool company, and this device can be used in the DVD players and DVs such as the Panasonic NV一M800 DV. 1.Features The BA6430S has the torque control circuit, the position signal processing circuit, the differential amplifier circuit, the universal control circuit, the motor driver circuit and other subsidiary circuits. The internal circuit block diagram is as shown in figure 1. 2.Pin functions and data The BA6430S uses the 24-pin dual-row DIP package, the pin functions and data is as shown in table 1. Figure 1 The internal circuit block diagram and the typical application circuit of the BA6430S Table 1 The pin functions and data of the BA6430S 3.The typical application circuit The typical application circuit of the BA6430S is as shown in figure 1 Tip: The input torque control voltage (2.5V) of the BA6430S's pin-16 is the key point of this IC.   (View)

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MAX849 application circuit

Published:2011/6/14 1:35:00 Author:Christina | Keyword: application circuit

MAX849 application circuit
The MAX849 application circuit is as shown in the figure. This application circuit has the fixed output voltage of 3.3V, and the output current is 200mA. MAX849 application circuit   (View)

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BA5406 dual-channel audio power amplifier integrated circuit

Published:2011/6/14 2:33:00 Author:Christina | Keyword: dual-channel, audio, power amplifier, integrated circuit

BA5406 dual-channel audio power amplifier integrated circuit
BA5406 dual-channel audio power amplifier integrated circuit
BA5406 dual-channel audio power amplifier integrated circuit

The BA5406 is designed as one kind of dual-channel audio power amplifier integrated circuit that is produced by the Toyo electric tools company, and it can be used in variety kinds of sound systems as the audio power amplifier, such as the home audio, computer audio, car audio.etc. 1.Features The BA5406 is composed of two groups of audio power amplifier circuit with the same functions, it has the features of good low voltage characteristics, wide power supply voltage range (4.5V-15V), high frequency phase compensation and symmetrical two-channel derivation pin. The internal circuit block diagram is as shown in figure 1. Figure 1 The internal circuit block diagram of the BA5406 2.Pin functions and data The BA5406 uses the 12-pin single-row DIP package, the pin functions and data are as shown in table 1. Table 1 The pin functions and data of the BA5406 3.Typical application circuit The typical application circuit of the BA5406 dual-channel audio power amplifier integrated circuit is as shown in figure 1. Figure 1 The typical application circuit of the BA5406   (View)

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The FSK signal demodulation circuit composed of the digital phase-lock

Published:2011/6/24 2:38:00 Author:Seven | Keyword: FSK, signal demodulation, phase-lock

The FSK signal demodulation circuit composed of the digital phase-lock
In Figure 7-2 is the FSK signal demodulation circuit composed of the digital phase-lock. The circuit consists of 2 oscillators with different frequencies, i.e crystal oscillators X (the frequency is 983.04KHz) and X2 (the frequency is 1.2288MHz) compose the oscillator, and X2 consists of the frequency converting circuit 74HC157, frequency splitting circuit MC14040B, phase comparator MCI4030B and so on. The output signal of the comparator MC14030B is delivered into the converting circuit 74HC157, by adjusting the ratio of frequency 1 and frequency 2, the output frequency can be any one between the two frequencies.   (View)

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The 1200Hz~100kHz clock signal source circuit

Published:2011/6/24 3:14:00 Author:Seven | Keyword: 1200Hz~100kHz, clock signal source

The 1200Hz~100kHz clock signal source circuit
The 1200Hz~100kHz clock signal source circuit

In figure 6-39 is the 1200Hz~100kHz clock signal source circuit, of which figure (b) is the circuit frame circuit, see from the frame circuit, we know that the counter counts the output pulse of the oscillator, and then the pulse is compared with the digital switch set value by the comparator, if the pulse reaches the set value, the gate circuit will be closed and the pulse is prevented from inputting. Figure (a) is the clock signal source circuit, in the circuit, the oscillator is the standard clock pulse generator SPG8651B, in the chip is the crystal oscillator circuit, the pin arrangement is shown in figure (c).   (View)

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Low voltage DC converter circuit

Published:2011/6/21 1:05:00 Author:Christina | Keyword: Low voltage, DC, converter

Low voltage DC converter circuit
The low voltage DC converter circuit which is composed of the CW1524 is as shown in the figure. The secondary winding of the high frequency transformer T can be set according to the output voltage, the secondary winding of the figure has two groups of output: +15V and -15V. The low voltage DC converter circuit which is composed of the CW1524   (View)

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MAX761 application circuit

Published:2011/6/14 2:21:00 Author:Christina | Keyword: application circuit

MAX761 application circuit
The MAX761 typical application circuit is as shown in the figure. The output voltage Vo of this circuit depends on the connection method of pin-3, if pin-3 is connected with the ground, you need to choose the internal feedback control of the IC, the output voltage is 12V; when the pin-3 is connected with R1 and R2, you need to choose the outside feedback control, at this time the output voltage is decided by the formula: Vo=1.5(R1+R2)/R2. By adjusting the resistance value of R1 and R2, you can get different output voltage. MAX761 application circuit   (View)

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The 6DJ8+6AS7(6080) high current headphone amplifier circuit

Published:2011/6/23 22:10:00 Author:Seven | Keyword: high current, headphone amplifier

The 6DJ8+6AS7(6080) high current headphone amplifier circuit
The 6DJ8+6AS7(6080) high current headphone amplifier circuit is shown as above.   (View)

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The stereo system circuit with internal power amplifiers

Published:2011/6/23 22:12:00 Author:Seven | Keyword: stereo system, internal power amplifiers

The stereo system circuit with internal power amplifiers
The stereo system circuit with internal power amplifiers is shown as above.   (View)

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The frequency ratio feature circuit of the ultra-sonic wave sensor

Published:2011/6/24 3:58:00 Author:Seven | Keyword: frequency ratio, ultra-sonic wave

The frequency ratio feature circuit of the ultra-sonic wave sensor
The frequency ratio feature circuit of the ultra-sonic wave sensor is shown as above.   (View)

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The positive-passive symmetric dual power supply circuit with only five elements

Published:2011/6/24 7:37:00 Author:Seven | Keyword: symmetric, power supply

The positive-passive symmetric dual power supply circuit with only five elements
In imported electric apparatus, we often see the figured passive/positive power supply circuit which provides with power for the power amplifier integrated circuit. Its features are as follows: 1. It's easy to make or select the power supply transformer whose secondary coils needn't central heads; 2.The passive/positive power supply is symmetric. 3.The efficiency of the power is high. 4.the structure is simple. The practice proves that on the premise that the power supply transformer has enough volume, it can approximately increase the volume of the capacitance and the turns of the transformer secondary coils, and the circuit is also used in low power audio power amplifier as the positive/passive symmetric dual power supply.   (View)

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MAX752 application circuit

Published:2011/6/14 2:40:00 Author:Christina | Keyword: application circuit

MAX752 application circuit
The MAX752 application circuit is as shown in the figure. In this figure, C2 must be close to the chip, this can inhibit the high voltage which is caused by the load fluctuation. MAX752 application circuit   (View)

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A0C56A1125-33 color displayer single chip microcomputer integrated circuit

Published:2011/6/24 7:49:00 Author:Christina | Keyword: color displayer, single chip, microcomputer, integrated circuit

A0C56A1125-33 color displayer single chip microcomputer integrated circuit
The A0C56A1125-33 is designed as one kind of color displayer single chip microcomputer integrated circuit that can be used in the domestic and imported brands of color displayers such as the TongFang series.etc. 1.Features The A0C56A1125-33 is composed of the clock oscillating circuit, the reset control circuit, the memory circuit, the I(2)C bus control circuit, the S correction control circuit, the indicator light control circuit, the static noise control circuit, the boot/standby control circuit, the line and field synchronous signal processing circuit, the rotary control circuit, the X-ray detection signal processing circuit and other subsidiary function circuits. 2.Pin functions and data The A0C56A1125-33 uses the 40-pin dual-row DIP package, the pin functions and data are as shown in table 1. Table 1 The pin functions and data of the A0C56A1125-33   (View)

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Adjustable switch type voltage stabilizer circuit composed of the LM2577

Published:2011/6/21 1:18:00 Author:Christina | Keyword: Adjustable switch type, voltage stabilizer

Adjustable switch type voltage stabilizer circuit composed of the LM2577
The switch type voltage stabilizer circuit which is composed of the LM2577 is as shown in the figure. The adjustable switch type voltage stabilizer is composed of the LM2577.   (View)

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UC1846 typical application circuit

Published:2011/6/21 1:09:00 Author:Christina | Keyword: typical application

UC1846 typical application circuit
The dual-port output push-scratching type switching voltage regulator, it has the features of excellent performance and low cost. UC1846 typical application circuit   (View)

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Switch type voltage stabilizer circuit composed of the CW1842

Published:2011/6/21 1:15:00 Author:Christina | Keyword: Switch type, voltage stabilizer

Switch type voltage stabilizer circuit composed of the CW1842
The single port flyback transforming type switch power supply circuit is as shown in the figure, the input voltage is 220V AC. Switch type voltage stabilizer circuit composed of the CW1842 The output voltage depends on the subprime circle number of T, R2 is the input resistance of CW1842.   (View)

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AT24C04 memory integrated circuit

Published:2011/6/24 7:42:00 Author:Christina | Keyword: memory, integrated circuit

AT24C04 memory integrated circuit
AT24C04 memory integrated circuit

The AT24C04 series memory integrated circuit can be used with the single-chip microcomputer, the stored information is different according to the occasions. 1.Features The AT24C04 is composed of the I(2)C bus circuit, the E(2)PROM electric erasable programmable read-only memory (ROM), the data byte address/counter circuit.etc. The internal circuit block diagram is as shown in figure 1. Figure 1 The internal circuit block diagram of the AT24C04 2.Pin functions and data The AT24C04 uses the 8-pin dual-row DIP package, the pin functions and data are as shown in table 1, this data is measured from the ChangHong CH-10 large screen color TV. Table 1 The pin functions and data of the AT24C04   (View)

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