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Index 220

Simulation mechanical system circuit

Published:2011-5-16 3:17:00 Author:Christina | Keyword: Simulation, mechanical system

Simulation mechanical system circuit
The Simulation mechanical system circuit is as shown:   (View)

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BA3570F-the integrated drive circuit of low-voltage headphone

Published:2011-5-14 8:00:00 Author:Borg | Keyword: drive circuit, low-voltage headphone

BA3570F-the integrated drive circuit of low-voltage headphone
BA3570F-the integrated drive circuit of low-voltage headphone

BA3570F is the integrated drive circuit of low-voltage headphone produced by Toyo Power Tool Corp.,Japan, which is widely used in walk-man.1.the typical application circuit of BA3570FThe typical application circuit of BA3570F is as shown in Figure 1, which characterizes with a Auto-matic Loudness Control System, i.e ALS. 2.the main parameters of BA3570FThe working power supply voltage of BA3570F ranges 2-7.2V, typical working voltages are 3V and 6V. When Vcc=3V,THD=1O% and RL=16Ω, the typical output power is Po=3OmWX2。3.pin functionsof BA3570FBA3570 is in flat 22-lead dual line package.   (View)

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600MHz broadband amplifier circuit

Published:2011-5-16 2:51:00 Author:Christina | Keyword: 600MHz, broadband amplifier

600MHz broadband amplifier circuit
The 600MHz broadband amplifier circuit is as shown:   (View)

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CXD3068-the integrated circuit of digital signal processing and digital servo processing

Published:2011-5-14 7:41:00 Author:Borg | Keyword: integrated circuit, digital signal processing

CXD3068-the integrated circuit of digital signal processing and digital servo processing
CXD3068-the integrated circuit of digital signal processing and digital servo processing
CXD3068-the integrated circuit of digital signal processing and digital servo processing
CXD3068-the integrated circuit of digital signal processing and digital servo processing
CXD3068-the integrated circuit of digital signal processing and digital servo processing
CXD3068-the integrated circuit of digital signal processing and digital servo processing

CXD3068 is an integrated circuit of digital signal processing and digital servo processing, which is produced by SONY Corp.,Japan on the basis of CXD3008 chips. The chip is widely used in all kinds of disc players.1.Function featuresThe digital processing of CXD3068 is done by 32KBRAM which combines the digital lock-phase technology and the super error-correcting algorithm, and the circuit can do EFM demodulation to the input AF signal; the digital servo circuit is under the control of microprocessors, besides, it has 6-level recurring filter and 5-level focusing filter.   (View)

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BA4402-The FM high-frequency integrated circuit

Published:2011-5-14 2:47:00 Author:Borg | Keyword: FM, high-frequency

BA4402-The FM high-frequency integrated circuit
BA4402-The FM high-frequency integrated circuit
BA4402-The FM high-frequency integrated circuit

BA4402 is a FM high frequency integrated circuit produced by Toyo Corp.,Japan, which is used in radio circuit of all kinds of stereos as the high-frequency circuit.1.the internal circuit of BA4402BA4402 contains FM amplifier,frequency mixing, local oscillator and AFC variable-capacitance diode, which characterizes with wide voltage range and large gain.BA4402 is in 9-lead single in-line package, whose internal circuit is as shown in Figure 1, while pin functions and data are listed in Table 1.   (View)

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BA4230AFS-The AM electrical tuning and FM middle amplifier integrated circuit

Published:2011-5-14 3:11:00 Author:Borg | Keyword: tuning, AM, FM

BA4230AFS-The AM electrical tuning and FM middle amplifier integrated circuit
BA4230AFS-The AM electrical tuning and FM middle amplifier integrated circuit
BA4230AFS-The AM electrical tuning and FM middle amplifier integrated circuit

BA4230AFSis an AM electrical tuning and FM middle amplifier integrated circuit produced by Toyo Corp.,Japan, which is used in micro AM/FM radios of assembly 1.5V power supply.the internal circuit and pin functions of BA4402The FM part of BA423OAFS contains difference IF amplifier, double balance wave-detector, IF silence-noise circuit. The AM part contains local oscillator, frequency mixing,middle amplifier, wave detection and AGC circuit. Besides, BA423OAFS contains tuning indicating LED drive circuit. The internal circuit of the chips are shown in Figure 1.   (View)

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EM78811-the integrated microcomputer circuit of communication single door

Published:2011-5-13 20:11:00 Author:Borg | Keyword: microcomputer, single door

EM78811-the integrated microcomputer circuit of communication single door
EM78811-the integrated microcomputer circuit of communication single door

EM78811 is an integrated microcomputer circuit of communication single door, which is widely used in all kinds of caller display phones.1.Function featuresEM78811 is a 4 bit CMOS micro computer which contains FSK decoder of BELL202 or ITV-TV23 standard, generators of dual-sound multiple frequency, battery low voltage detection circuit of 4-level potential plate, LCD display drive circuit and energy-saving control circuit, etc. 2. Pin functions and dataEM78811 is in 100-lead soft package which is packed on the LCD plate directly, whose pin functions and data are listed in Table 1-1.   (View)

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Strain gauge electronic scale amplifier circuit diagram

Published:2011-5-15 6:07:00 Author:Rebekka | Keyword: Strain gauge, electronic scale amplifier

Strain gauge electronic scale amplifier circuit diagram
Strain gauge electronic scale amplifier circuit diagram is shown as above.   (View)

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Bridge amplifier circuit diagram

Published:2011-5-15 6:08:00 Author:Rebekka | Keyword: Bridge amplifier

Bridge amplifier circuit diagram
Bridge amplifier circuit diagram is shown as above.   (View)

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Light-emitting time automatic control circuit

Published:2011-5-15 5:08:00 Author:John

Light-emitting time automatic control circuit
The intensity of the light-emitting time automatic control is relative to the signals of time. And this circuit can work under a very small illumination (such as 250mLX). Photodiode adopts FV1 / 4-type elements with an area of F ≈ 9mm2. The operating voltage of 2.7V can be powered in series by two batteries. When it is not connected, the absorbed current is 2μA. The differential amplifiers T1 and T2 both have a high sensitivity and the current of emitter is 1μA. Afterwards, the BCY58 continues to amplify.   (View)

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RS232-TTl-RS485 switching interface circuit

Published:2011-5-15 2:53:00 Author:John

RS232-TTl-RS485 switching interface circuit
RS232-TTl-RS485 switching interface circuit is given in the following.   (View)

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Mine-site indicating lights circuit

Published:2011-5-15 3:23:00 Author:John | Keyword: indicator

Mine-site indicating lights circuit
The lights installed in the mining sites are used to help drivers to notice the situation behind the car and to avoid accidents. Phototransistor is used as optical signal sensor. When the light shines on the photodiodes, the relay J picks up. A pair of normally opened contact closes. The green light starts to shine, indicating that there is no obstacle behind the car. If there is any obstacle blocking the light , the relay J does not picks up and the red light shines.   (View)

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CS8952 Ethernet network interface circuit

Published:2011-5-15 4:48:00 Author:John | Keyword: network interface

CS8952 Ethernet network interface circuit
CS8952 Ethernet network interface circuit is shown below.   (View)

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E-fuse circuit

Published:2011-5-15 2:35:00 Author:John | Keyword: E-fuse

E-fuse circuit
E-fuse circuit is shown below.   (View)

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BA5932F-the 4-channel servo-driven integrated circuit

Published:2011-5-13 4:02:00 Author:Borg | Keyword: 4-channel, servo-driven, integrated circuit

BA5932F-the 4-channel servo-driven integrated circuit
BA5932F-the 4-channel servo-driven integrated circuit

BA5913F is an integrated 4-channel servo-driven drive circuit, which is often used with the the BA6849FP integrated circuit that 3-phase spindle motors drive, and it is used in Toyo LU-1l100 DVD cores to drive focusing, tracking, feeding and loading motors. The BA5931F internal circuit is shown in Figure 1, which is in 28-lead package with cooling fins, and its pin functions and data are listed in Table 1 in which ⑧ and (28) are earth terminals and ⑥、⑦、⑨、⑩ and (11) are empty pins. Figure 1 The internal circuit BA5931F chips   (View)

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BA5902FP-laser head servo-driven integrated cicuit

Published:2011-5-13 3:13:00 Author:Borg | Keyword: laser head, servo-driven

BA5902FP-laser head servo-driven integrated cicuit
BA5902FP-laser head servo-driven integrated cicuit

BA6196FP is a motor-driven integrated circuit produced by Toyo Corp., which is used in laser heads to laser players.1.The internal circuitBA6196FP contains 4-channel BTL drive circuit and drive silence-noise control circuit, whose internal circuit is shown in Figure 1. Figure 1 the internal circuit of BA5902FP pin functions BA5902FP is in 28-lead dual in-line package, whose pin functions are listed in Table 1. Table 1 pin functions and data of BA5902FP chips   (View)

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In-phase gain circuit diagram composed of MAX4188/4189/4190

Published:2011-5-13 3:07:00 Author:Ecco | Keyword: In-phase gain

In-phase gain circuit diagram composed of MAX4188/4189/4190
In-phase gain circuit diagram composed of MAX4188/4189/4190 is shown as the chart. The precision of resistor in the figure is selected 1%. VOUT=(1+RF/RG)VIN.   (View)

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Reversed-phase gain circuit diagram composed of MAX4188/4189/4190

Published:2011-5-13 3:09:00 Author:Ecco | Keyword: Reversed-phase gain

Reversed-phase gain circuit diagram composed of MAX4188/4189/4190
Reversed-phase gain circuit diagram composed of MAX4188/4189/4190 is shown as the chart. The precision of the resistor in the figure is selected 1%. VOUT =-(RF/RG)VIN.   (View)

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High confidentiality electronic lock circuits T630 and T631

Published:2011-5-12 7:05:00 Author:TaoXi | Keyword: High confidentiality, electronic lock


You can use the jump yard decoding circuit to form the high confidentiality electronic lock that can be used in the safety deposit box, the confidential file cabinet, the confidential room applications to ensure their safety. The high confidentiality electronic lock circuit which is composed of the jump yards decoding circuit (ACM1330E/ACM1550D) and the long-wave remote control transmitter / receiver circuit (T630/T631) is as shown in the figure. (a) is the coded excitation circuit; (b) is the receiving decoder circuit.   (View)

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Dual-Channel isolation unipolar photodiode amplifier circuit diagram composed of ISO100

Published:2011-5-12 22:08:00 Author:Ecco | Keyword: Dual-Channel, isolation , unipolar , photodiode , amplifier

Dual-Channel isolation unipolar photodiode amplifier circuit diagram composed of ISO100
  (View)

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