MF96 Multimeter Circuit

Published:2011/7/13 7:59:00 Author:Robert | Keyword: Multimeter

The picture shows the MF96 multimeter circuit.   (View)

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MF91 Multimeter Circuit

Published:2011/7/13 7:56:00 Author:Robert | Keyword: Multimeter

The picture shows the MF91 multimeter circuit.   (View)

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Electronic Greetings Card Circuit

Published:2011/7/11 6:00:00 Author:Robert | Keyword: Electronic, Greetings Card

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Electronic Candle Circuit

Published:2011/7/11 6:20:00 Author:Robert | Keyword: Electronic, Candle

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CX1244S Servo Signal Proecssing Integrated Circuit

Published:2011/7/11 6:28:00 Author:Robert | Keyword: Servo, Signal, Proecssing, Integrated

The CX1244S is a servo signal proecssing IC produced by the Japanese Sony company which is widely used in players. 1.Its functional features. The CX1244S IC has internal operational amplifier circuit, memory circuit, serial data and clock signal processing circuit, mirror reflection signal processing circuit, tracking error signal processing circuit, focus error signal processing circuit, tracking amplifier gain setting circuit, focus searching voltage and tracking jump voltage and feed voltage control circuit, and other some control and auxiliary function circuits and so on. 2.Its pin's function and data. The CX1244S IC uses 30-pin dual inline package and its pin's function and data is listed in table 1. The table 1 shows the CX1244S IC's pin's function and data.   (View)

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Single-Chip Radio Integrated Circuit

Published:2011/7/11 6:46:00 Author:Robert | Keyword: Single-Chip, Radio, Integrated

The CXA1238 is a high-integrated AM, FM, stereo decoder single-chip radio IC produced by the Japanese Sony company. It is widely used in many kinds of audio radio systems such as car audio, home audio and so on. 1.Its functional features. The CXA1238 IC has internal: AM frequency conversion, AM mid-amplifier, wave detection, self-oscillation; FM high-amplifier, FM frequency conversion, FM mid-amplifier, frequency detection and stereo decoding circuit. Its auxiliary circuits have the tuning indication, stereo indication, squelch tuning and other functions. The CXA1238 IC's main features have the following points: Low current consumption. When the power voltage is 6V the AM static current is about 8.5mA and FM static current is about 11mA. Wide application range of the power voltage which means the circuit could work normally at the range of 2-10V. And so on.   (View)

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Fat Analyzer Principle Circuit

Published:2011/7/11 6:02:00 Author:Robert | Keyword: Fat, Analyzer, Principle

The picture shows the fat analyzer principle circuit.   (View)

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electronic compass FNN-3300

Published:2011/6/18 9:55:00 Author:Nancy | Keyword: electronic compass

Product features:1.compass measures the plane geomagnetic field and dual axle angle compensation by the three axis magnetic resistance sensor.2.high speed and high accuracy A/D conversion and magnetic field measurement accuracy 100μGuass.3.compass is built in temperature compensation and reduces the temperature drift of the angle of inclination and direction in the maximum limit.4.compass is built in microprocessor sensor and magnetic north angle and outputs RS232 data frame. RS485 and RS422 are available. 5.simple and effective user calibration instruction6.pointing to zero correction function7.containment structure is waterproof and non-magnetic (non-containment structure is available).8.operating temperature range: -40℃ to +85℃; storage temperature range:-55℃ to +100℃. Product application:Electronic compass FNN-3300 is widely used in airplane and navigation, communication radar, microwave direction,offshore platform control, unmanned machine and robot automatic control and traffic vehicle detection.   (View)

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Voltage follower cosisted of operational amplifier circuit diagram

Published:2011/6/16 23:17:00 Author:Sophia | Keyword: Voltage follower, Operational amplifier

Voltage follower consisting of operational amplifier circuit is very simple. The circuit doesn't need external components, but can generate oscillation easily. The diagrm is a Voltage follower consisting of smoothly JFET based operational amplifier NJM2082D. If the input and output terminals of the Voltage follower respectively connect 100pF capacitor namely distributed capacitance of imitated wiring. But the circuit still can generate oscillation.   (View)

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Helmets with Electronic Hearing Aids

Published:2011/7/10 23:30:00 Author:Felicity | Keyword: Helmets, Electronic Hearing Aids,

When the motorcycle drivers wear their helmets their hearing will be limited and it is very dangerous. But if the drivers wearthis kind ofhelmets with electronic hearing aids their hearing will be improved and the accidents will be reduced. Work of the circuit Turn on the power switch S and VL will be lightened. Then the machine is in work. BL1 and BL2 turn the sound singnal they have collected into electronic singnal and transit the singnal to V's base through C1. The singnal will drive BL1 and BL2 to make sound after being preamplified by V, volume controlled by RP and power amplified by IC.   (View)

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CH50212 Single-Chip Micro-Computer Integrated Circuit

Published:2011/7/9 2:28:00 Author:Robert | Keyword: Single-Chip, Micro-Computer, Integrated

The CH50212 is a single-chip micro-computer control IC which is widely used in many kinds of Changhong series players. 1.Its functional features. The CH50212 IC's internal part is mainly made up of I(2)C bus circuit, clock oscillation circuit, reset circuit, system control data input/output interface circuit, reading/writing control circuit and so on. 2.Its pin's function and data. The CH50212 IC uses 64-pin square package and its pin's function and data is shown in table 1. The table 1 shows the CH50212 IC's pin's function and data. 3.Typical application circuit. The system control typical application circuit composed of CH50212 IC is shown in picture 1. The picture 1 shows the CH50212 IC's typical application circuit.   (View)

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CH238 Accompaniment Control Integrated Circuit

Published:2011/7/9 2:52:00 Author:Robert | Keyword: Accompaniment, Control, Integrated

The CH238 is a accompaniment control IC which is widely used in many brands of electronic musical instruments such as electronic organ and so on. 1.Its functional features. The CH238 IC uses CMOS production technology so that it has the a CMOS feature. It has internal two parts which are disintegration chord accompaniment control and bass chord accompaniment control. Its essence is a accompaniment pattern control memory (ROM) which is designed according to the need of music. It can make up 6 kinds of combinations of the disintegration chord and bass chord to be chosen. 2.Its pin's function. The CH238 IC uses 24-pin dual plastic inline package and its pin's function is shown in table 1. The table 1 shows the CH238's pin's function.   (View)

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CH05002 Single-Chip Micro-Computer Integrated Circuit

Published:2011/7/9 2:39:00 Author:Robert | Keyword: Single-Chip, Micro-Computer, Integrated

The CH05002 is a single-chip micro-computer IC which is widely used in Changhong series large-screen picture-in-picture digital color TV sets. 1.Its functional features. The CH05002 IC's internal part is mainly made up of central processing unit (CPU), clock oscillation circuit (main clock and display clock), reset control circuit, remote-control command signal processing circuit, keyboard scanning coding/decoding circuit, I(2)C bus control circuit, standby.starting control circuit, testing circuit, picture-in-picture control circuit and other some control and auxiliary function circuits. Its internal circuit diagram and signal flowing is shown in picture 1. The picture 1 shows the CH05002 IC's internal circuit diagram and signal flowing. 2.Its pin's function and data. The CH05002 IC uses 42-pin dual package and its pin's function and data is listed in table 1. The table 1 shows the CH05002 IC's pin's function and data.   (View)

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Principle of Silicon Control Zero Passage Trigger Circuit

Published:2011/6/12 21:37:00 Author:chopper | Keyword: Silicon Control, Zero Passage Trigger

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TMPA8809 Multi-Function Super-Monolithic Integrated Circuit Diagram

Published:2011/7/10 6:09:00 Author:Vicky | Keyword: Multi-Function, Super-Monoli

TypicalApplied Ciruict of IC TMPA8890 TMPA809 is a multi-function super-monolithic integrated circuit produced by Toshiba Corporation. It is used in domestic and imported color television set, such as Toshiba series large-screen color television set ,and Haier series large-screen color television set, as well as TCL series etc. 1 function features: TMPA8809 integrated circuit includes control system micro computer circuit, TV signal processing, line scanning and field scanning small-signal processing circuit, teletext decorder circuit and some other auxiliary circuits. 2 function and feature of the pins The pins of IC TMPA8809 adopt dual-in-line packages . 3 typical applied circuit The above picture is a typical applied circuit diagram of TV signal processing and control system which is composed of TMPA8809 integrated circuit .   (View)

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SWF81 And SWF82 Type Temperature Sensor Shape Structure Circuit

Published:2011/7/9 4:25:00 Author:Robert | Keyword: Temperature Sensor, Shape, Structure

The picture shows the SWF81 and SWF82 type temperature sensor shape structure circuit.   (View)

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MC68HC7O5T-16 Single-Chip Micro-Computer Integrated Circuit

Published:2011/7/9 4:35:00 Author:Robert | Keyword: Single-Chip, Micro-Computer, Integrated

The MC68HC7O5T16 is a single-chip micro-computer IC produced by the Motorola company which is widely used in Chuangwei series large-screen color TV sets. 1.Its functional features. The MC68HC7O5T16 IC's internal part is mainly made up of central processing unit (CPU), clock oscillation circuit, reset control circuit, control circuit, remote-control command signal processing circuit, key scanning decoding circuit and other some control and auxiliary function circuits and so on. 2.Its pin's function and data. The MC68HC7O5T16 IC uses 56-pin dual package. Its internal circuit diagram and pin's function and signal flowing is shown in the picture and its pin's letter code and data is listed in the table. The picture shows the MC68HC7O5T-16 IC's internal circuit diagram and pin's function and signal flowing. The table shows the MC68HC7O5T-16 IC's pin's letter code and data.   (View)

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MQ51 Improved Type Hydrogen Sensor Electrode Lead Circuit

Published:2011/7/9 20:00:00 Author:Robert | Keyword: Improved, Hydrogen Sensor, Electrode, Lead

The MQ51 improved type hydrogen sensor is a new semiconductor field-effect sensor element which is can be used in the equipments for hydrogen leak hunting, detection, monitoring and so on. It features good selectivity, high sensitivity, fast response and stable and reliable and other advantages. The MQ51 improved type hydrogen sensor electrode lead circuit is shown in the picture. The picture shows the MQ51 improved type hydrogen sensor electrode lead circuit. Picture (a) shows the lead circuit. Picture (b) shows the MQ51 improved I type circuit. Picture (c) shows the MQ51 improved II type circuit.   (View)

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M881461-12RS Dynamic Random Memory Integrated Circuit

Published:2011/7/9 4:50:00 Author:Robert | Keyword: Dynamic, Random, Memory, Integrated

The M881461-12RS is a dynamic random memory IC produced by the Mitsubishi company. It is widely used in the cases which need random storing imformation, such as picture-in-picture large-screen color TV sets (Changhong NC-3 cassette mechanism) and so on. The M881461-12RS uses 24-pin package. Its pin's function and data is listed in the table and the Changhong NC-3 color TV sets cassette mechanism typical application circuit composed of this IC is shown in the picture. The table shows the M881461-12RS IC's pin's function and data.   (View)

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M658395P Digital Time-Delay Reverb Integrated Circuit

Published:2011/7/9 5:04:00 Author:Robert | Keyword: Digital, Time-Delay, Reverb, Integrated

The M658395P is a digital time-delay reverb IC produced by the Mitsubishi company. It is widely used as the Kara OK signal processing unit in home audio, TV audio, car audio etc. 1.Its functional features. The M658395P IC has internal A/D and D/A convertion circuit, low-pass filter (LDF) circuit, 16K memory (RAM), automatic voltage level control circuit (ALC), microphone amplification circuit, oscillation circuit and other some auxiliary function circuits. Its internal circuit diagram is shown in the picture. 2.Its pin's function and data. The M658395P IC uses 36-pin dual package and its pin's function and data is listed in the table. The picture shows the M658395P IC's internal circuit diagram. The table shows the M658395P IC's pin's function and data.   (View)

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