Audio Circuit

BA3828-the integrated circuit of electrical channel-selecting presetting

Published:2011/5/14 3:23:00 Author:Borg | Keyword: integrated circuit, channel-selecting

BA3828 is an integrated circuit of electrical channel-selecting presetting produced by Toyo Corp.,Japan, which is widely used in domestic stereos, car stereo and all kinds of high-class walk-man systems.BA3828 contains tuning power supply circuits, channel-selecting presetting circuits, FM presetting switch circuits, channel-selecting tuning voltage circuits, LED driven control circuit and other additional function circuits. The IC is in 22-lead dual in-line package, whose pin functions and data are listed in Table 1.   (View)

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BA5983F-E2- the integrated 4-channel servo-driven circuit

Published:2011/5/13 11:45:00 Author:Borg | Keyword: 4-channel, servo-driven

BA5983F-E2 is an integrated 4-channel servo-driven circuit, which can convert servo control signals into drive voltage to drive the executing parts of DVD player servomechanisms.The internal circuit of BA5983FM一E2 is as shown in Figure 1, which is in 28-lead flat package with cooling fins. The pin functions and data are listed in Table 1. Figure 1 the internal circuit of BA5983FM一E2 Table 1 pin functions and data of BA5983FM一E2   (View)

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BA6193-the 2-channel bilateral-control integrated circuit of motor drive

Published:2011/5/13 8:50:00 Author:Borg | Keyword: 2-channel, bilateral-control, motor drive

BA6193 is a 2-channel bilateral-control integrated circuit of motor drive produced by Toyo Corp., which is often used in VCD, SVCD and CVD single/multipleplayers as motor drives.1.the internal circuit BA6287N contains logic control circuit and drive circuit, whose internal circuit is as shown in Figure 1. 2.pin functionsBA6287N is in 16-lead dual in-line package, whose pin functions and data are listed in Table 1.   (View)

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HA1371-BTL-the Integrated Circuit of Audio Amplifier

Published:2011/5/13 7:40:00 Author:Borg

HA1371 is an integrated circuit of audio amplifier produced by Hitachi Corp.,Japan, which is used in high-power radios and computer stereos as amplifier circuits.1.the internal circuit of HA1371HA1371 is a BTL circuit which characterizes with slight impulse noise of turning on/off power, big output power and wide voltage range. It is in 12-lead dual-line package, whose internal circuit and typical application circuit are as shown in Figure 1-1, and pin functions and data are listed in Table 1-1.   (View)

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Mini FM electric tuning radio circuit

Published:2011/5/16 19:22:00 Author:Christina | Keyword: Mini, FM, electric tuning, radio

The Mini FM electric tuning radio circuit is as shown:   (View)

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BA335-the integrated circuit of audio LEV sensors

Published:2011/5/17 1:22:00 Author:Borg | Keyword: integrated circuit, audio LEV sensors

BA335 is an integrated circuit of audio LEV sensors by Toyo Power Tool Corp., Japan, which is usually used in cassette radios as tape end detection, recording programme interval detection and the like.the internal circuit and pin functions of BA335 BA335 is a detection amplifier consisting of audio amplifiers, delay capacity comparators and driving stages. When the voltage and temperature are changing, the delay capacity of the comparator is still the same. The NPNs and diodes of the driving stage can output the maximum current-driven inductive load of 750mA.   (View)

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BA3818F-the integrated circuit of voltage comparator

Published:2011/5/14 3:36:00 Author:Borg | Keyword: integrated circuit, voltage comparator

BA3818F is a voltage comparator produced by Toyo Corp.,Japan, which is widely used in all types of walk-man, stereos, TV sets and computer screens to compare the voltage amplifiers.BA3818F contains voltage comparator circuits and other additional function circuits, which is in 8-lead dual in-line plastic package, and it is used in Aiwa high-class walk-man. The pin functions and data are listed in Table 1. Table 1 pin functions and data of BA3818F   (View)

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The integrated circuit of single door stereo radios

Published:2011/5/14 4:18:00 Author:Borg | Keyword: integrated circuit, single door, stereo radios

BA3516、BA3516 is an integrated circuit of single door stereo radios produced by Toyo Power Tool Corp.,Japan, which is commonly used in stereos, especially in walk-man, apart from Aiwa, sometimes, Sony, Phillips and local walk-man also use it.1.the internal circuit of BA3516 and BA3516F BA3516 is in two packages, of which BA3516 is in 16-lead dual in-line plastic package, while BA3516F is in 18-lead dual in-line plastic package. The two internal circuits are almost the same.   (View)

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CXA1191M radio circuit

Published:2011/5/15 2:30:00 Author:John | Keyword: CXA1191M radio

CXA1191M radio circuit is shown below.   (View)

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audio amplifier 2W circuit

Published:2011/5/15 3:08:00 Author:John | Keyword: audio amplifier

Audio amplifier 2W circuit is shown below.   (View)

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Audio amplifier circuit

Published:2011/5/15 2:42:00 Author:John | Keyword: Audio amplifier

Audio amplifier circuit is shown below.   (View)

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making circuit for wireless headphones

Published:2011/5/15 3:12:00 Author:John | Keyword: wireless headphone

Making circuit for wireless headphones is shown in the following.   (View)

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HA11211-The integrated circuit of FM-IF, frequency discrimination with AM-IF and audio magnifying

Published:2011/5/13 2:26:00 Author:Borg | Keyword: FM-IF, frequency discrimination, AM-IF

HA11211 a FM- and AM- IF integrated circuit produced by Hitachi Corp., Japan, specially for FM stereos,which is used in stereo systems that have radio FM.1.HA11211 internal circuit and pin functionsHA11211 FM is run by the triple-level balanced crane differential amplification circuit, which is characterized with high sensitivity, high wave-detection voltage, low distortion and high noise-signal ratio, and the discrimination output is delivered to the outside stereo conditioning circuit till it has been magnified by the internal low-noise broadband audio.   (View)

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BA5208AF-the integrated 2-channle amplifier circuit of recording/reproduceing

Published:2011/5/13 3:41:00 Author:Borg | Keyword: 2-channle, recording/reproduceing, amplifier circuit

BA5208AF is an integrated 2-channle amplifier circuit of recording/reproduceing produced by Toyo Corp., Japan, which is widely used in stereo equipment, such as low-voltage walk-man, repeater and so on.BA5208AF contains sub-circuits of microphone amplifier, reproducing signal amplifier, recording amplifier and other function support circuits. This IC is in 16-lead dual-line package, whose pin functions and data of the circuit are listed in Table 1. Table 1 pin functions and data of BA5208AF   (View)

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BA5914FP-The 4-channel servo-driven integrated circuit

Published:2011/5/13 4:19:00 Author:Borg | Keyword: 4-channel, servo-driven, integrated circuit

BA5914FP is an integrated 4-channel BTL-driven circuit produced by Toyo Corp., Japan, which is widely used in VCD and DVD players.1.function featuresBA5914FP can convert servo-controlled signals into bipolar voltage to drive the spindles, feeding motor, focusing and tracking coils of VCD laser head servomechanisms. Figure1 the internal circuit of BA5914FP 2.pin functions and dataBA5914FP is in 28-lead package with cooling fins, whose pin functions and data are listed in Table 1.   (View)

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BA6208/F-Servo-driven Integrated Circuit

Published:2011/5/12 23:06:00 Author:Borg | Keyword: Servo-driven, Integrated Circuit

BA6208/BA628F are motor-driven integrated circuit produced by Toyo Corp., which is used in CD and VCD players. 1.The internal circuit BA6208/F can provide standard 10mA drive circuit, whose internal braking circuit could be used to brake motors, and it is also installed with 200mA absorbing circuits of surge currents. The typical application circuit is as shown in Figure 1. 2.pin functions and data BA6208/F is packaged in two ways, of which BA6208 is in 9-lead single in-line package, while BA6208F is in 8-lead PQFP.   (View)

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BA6196FP-an Servo-driven Integrated Circuit

Published:2011/5/13 0:53:00 Author:Borg | Keyword: Servo-driven, Integrated Circuit

BA6196FP is a motor-driven integrated circuit produced by Toyo Corp., which is widely used in VCD,SVCD,CVD and DVD players.1.The internal circuitBA6196FP contains 4-channel BTL drive circuit, which can switch servo-control voltage on laser heads into dual drive circuit through LEV to drive the executing parts (focus and tracking coils, feed and spindle motor and so on)in laser head servomechanisms. The internal circuit of it is as shown in Figure 1. 2.Pin functions   (View)

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BA6198FP -a laser head servo-driven single door integrated circuit

Published:2011/5/12 22:46:00 Author:Borg | Keyword: laser head, single door, servo-driven

BA6198FP a single door integrated circuit which is servo-driven by laser heads, which is widely used in CD ,VCD,SVCD, VCD and DVD players. 1.The internal circuitBA6198FP contains 4-channel BTL drive circuit, which can switch servo-control voltage on laser heads into dual drive circuit to drive the executing parts in laser head servomechanisms. 2.pin functionsBA6198 is in 28-lead dual-line flat package.   (View)

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Children lost warning devices NE555 and TDA7000

Published:2011/5/12 7:32:00 Author:TaoXi | Keyword: Children lost, warning device

The FM transmitter circuit has two parts: the low frequency modulation oscillator and the carrier frequency oscillator transmitter circuit, as the figure (a) shown. The receiving circuit is as shown in figure (b).   (View)

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HA12413-The FM-IF integrated circuit

Published:2011/5/12 21:54:00 Author:Borg | Keyword: FM-IF, integrated circuit

HA12413 is an FM-IF integrated circuit produced by Hitachi, Japan, which is used in all kinds of radio systems of FM stereos. 1.the HA12413 internal circuit and pin functionsHA12413 consists of INTREQ, orthogonal detection, LNA and signal instrument circuits, which characterizes with high sensitivity, low noise, low working current, few outside components and wide-range power supply voltage,etc. The IC is in 16-lead dual in-line package, whose internal circuit and typical application circuit is as shown in Figure 1-1.   (View)

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